Tootfinder

All external power lines supplying electricity to the Russian-occupied Zaporizhzhia nuclear power plant in Ukraine were down for several hours on Friday, the UN nuclear watchdog said
International Atomic Energy Agency (IAEA) chief Rafael Grossi acknowledged that power had been restored after 3½ hours
but added on X that nuclear safety “remains extremely precarious in Ukraine”.
The Ukrainian energy minister blamed Russian shelling for severing the last power line to the…

X-ray emission of the Nuclear Stellar Disk as seen by SRG/ART-XC
Valentin Nezabudkin, Roman Krivonos, Sergey Sazonov, Rodion Burenin, Alexander Lutovinov, Ekaterina Filippova, Alexey Tkachenko, Mikhail Pavlinsky
https://arxiv.org/abs/2507.04319

X-ray emission of the Nuclear Stellar Disk as seen by SRG/ART-XC
The Nuclear Stellar Disk (NSD), together with the Nuclear Stellar Cluster and the supermassive black hole Sgr A*, forms the central region of the Milky Way. Galactic X-ray background emission is known to be associated with the old stellar population, predominantly produced by accreting white dwarfs. In this work we characterize the X-ray emission of the Galactic Center (GC) region using wide-field observations with the ART-XC telescope on board the SRG observatory in the 4-12 keV energy band. O…

Extraction of ground-state nuclear deformations from ultra-relativistic heavy-ion collisions: Nuclear structure physics context
J. Dobaczewski, A. Gade, K. Godbey, R. V. F. Janssens, W. Nazarewicz
https://arxiv.org/abs/2507.05208

Extraction of ground-state nuclear deformations from ultra-relativistic heavy-ion collisions: Nuclear structure physics context
The collective-flow-assisted nuclear shape-imaging method in ultra-relativistic heavy-ion collisions has recently been used to characterize nuclear collective states. In this paper, we assess the foundations of the shape-imaging technique employed in these studies. We conclude that, on the whole, the discussion regarding low-energy nuclear physics is confusing and the suggested impact on nuclear structure research is overstated. Conversely, efforts to incorporate existing knowledge on nuclear s…

Ridiculous: The Trump regime will no longer permit any solar or wind projects on federal lands unless they produce more energy-per-acre than coal, gas or nuclear power plants.
https://heatmap.news/sparks/interior-department-wind-solar-land-use

The Trump administration is more willing to support loan guarantees and tax breaks for nuclear power
than for wind and solar
because it is "more American"
than those forms of energy,
the director of the U.S. Energy Dominance Council said on Thursday

"Global electricity demand to rise in 2026 as renewables lead, says IEA"
#Renewables #Energy

Global electricity demand to rise in 2026 as renewables lead, says IEA
Global electricity demand is set to rise more than 3% per year through 2026, driven by growth in Asia and greater use across industry, data centers, and transport, with renewables, gas, and nuclear meeting most of the increase, says the International Energy Agency (IEA).

Elon Musk calls the Senate tax bill "utterly insane" as it raises taxes on nuclear and geothermal energy and battery storage, which are crucial for AI training (Noah Smith/Noahpinion)
https://www.noahpinion.blog/p/would-you-rather-have-cheap-energy

Would you rather have cheap energy, or stupid culture wars?
Trump's "Big Beautiful Bill" is an attack on American energy production.

Salt-Rock Creep Deformation Forecasting Using Deep Neural Networks and Analytical Models for Subsurface Energy Storage Applications
Pradeep Kumar Shukla, Tanujit Chakraborty, Mustafa Sari, Joel Sarout, Partha Pratim Mandal
https://arxiv.org/abs/2508.05248

Salt-Rock Creep Deformation Forecasting Using Deep Neural Networks and Analytical Models for Subsurface Energy Storage Applications
This study provides an in-depth analysis of time series forecasting methods to predict the time-dependent deformation trend (also known as creep) of salt rock under varying confining pressure conditions. Creep deformation assessment is essential for designing and operating underground storage facilities for nuclear waste, hydrogen energy, or radioactive materials. Salt rocks, known for their mechanical properties like low porosity, low permeability, high ductility, and exceptional creep and sel…

Anomalous Behavior of Giant Monopole Resonance Energy with Nuclear Matter Incompressibility in the framework of Relativistic Mean Field Formalism and Coherent Density Fluctuation Model
Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan, S. K. Patra
https://arxiv.org/abs/2508.05291

Anomalous Behavior of Giant Monopole Resonance Energy with Nuclear Matter Incompressibility in the framework of Relativistic Mean Field Formalism and Coherent Density Fluctuation Model
The finite nucleus incompressibility $K^A$ is evaluated using the coherent density fluctuation model with the extended relativistic mean field density. The relativistic energy density functional for nuclear matter is replaced by the local density approximation for finite nuclei. The equation is used to calculate the finite nuclear incompressibility, which is further utilized to evaluate the isoscalar giant monopole excitation (ISGMR) energy $E_M$. This excitation energy is compared with other t…

Entropy from decoherence: a case study using glasma-based occupation numbers
Gabriele Coci, Gabriele Parisi, Salvatore Plumari, Marco Ruggieri
https://arxiv.org/abs/2507.04809

Entropy from decoherence: a case study using glasma-based occupation numbers
We compute the entropy-per-particle, $S/N$, produced by the decoherence of a coherent state interacting with an environment, using an analytical open quantum system approach. The coherent state considered is characterized by occupation numbers borrowed from the glasma fields produced in the early stages of high-energy nuclear collisions. The environment is modeled as the vacuum, and decoherence arises from the interaction of the state with vacuum fluctuations. We describe the system-environment…

⚛️ 3D printing reshapes construction for nuclear energy
#energy

3D printing reshapes construction for nuclear energy
In a bold step toward transforming how nuclear infrastructure is built, the Department of Energy's Manufacturing Demonstration Facility, or MDF, at Oak Ridge National Laboratory, in partnership with Kairos Power and Barnard Construction, has successfully developed and validated large-scale, 3D-printed polymer composite forms for casting complex, high-precision concrete structures that would be technically challenging and costly to produce using conventional methods. The concrete forms are being…

The role of dimensionality in the magnetic properties of CeIn$_3$ nanowires
M. H. Carvalho, D. Zau, A. P. Reyes, R. Cong, S. D. House, H. P. Pizzi, J. Thompson, A. M. Caffer, D. S. Passos, R. C. Santos, G. S. Freitas, K. R. Pirota, R. R. Urbano, P. J. G. Pagliuso
https://arxiv.org/abs/2507.04477

The role of dimensionality in the magnetic properties of CeIn$_3$ nanowires
In this work, we have explored the Metallic-Flux Nanonucleation method to synthesize single crystals and nanowires (diameter $\approx$ 170 nm) of CeIn$_{3}$ and compare their properties. The effects of reduced dimensionality were systematically investigated using Energy Dispersive Spectroscopy (EDS), Selected area electron diffraction (SAED), magnetic susceptibility, heat capacity, and Nuclear Magnetic Resonance (NMR). Semi-quantitative EDS analysis revealed a Ce:In ratio of 1:3.1(1), and the S…

Microscopic determination of the interacting boson-fermion model Hamiltonian from the nuclear energy density functional
M. Homma, K. Nomura
https://arxiv.org/abs/2508.04119 http…

Microscopic determination of the interacting boson-fermion model Hamiltonian from the nuclear energy density functional
A microscopic formulation of the interacting boson-fermion model for odd-$A$ nuclei is made using the nuclear energy density functional framework. Strength parameters for the bosonic Hamiltonian and boson-fermion interactions are shown to be determined completely so that energy surfaces and deformed single-particle energies of the Bose-Fermi systems should match the corresponding self-consistent mean-field solutions for fermionic systems. In an illustrative application to axially symmetric odd-…

Neutron emission following nuclear muon capture on palladium isotopes
T. Y. Saito, M. Niikura, T. Matsuzaki, S. Abe, K. Ishida, S. Kawase, Y. Kawashima, T. Koiwai, K. Matsui, S. Momiyama, A. Nambu, H. Otsu, H. Sakurai, A. Sato, X. Sun, A. Taniguchi, D. Tomono, H. Wang, Y. Watanabe, K. Wimmer
https://arxiv.org/abs/2508.00377

Neutron emission following nuclear muon capture on palladium isotopes
The energy spectra of the neutrons emitted following nuclear muon capture on palladium isotopes ($A=104$, 105, 106, 108, and 110) were measured using isotopically enriched target. \item[Method] The experiment was performed at the MuSIC-M1 beamline at the Research Center for Nuclear Physics (RCNP), Osaka University. The neutrons and $γ$ rays were detected with twenty-one liquid scintillators and BaF$_2$ detectors. The time-of-flight method was used to determine the neutron energy. \item[Results…

Solar and wind now almost meeting global electricity demand growth, even in a high-growth year. They're close to forcing down fossil fuel use for electricity on their own, and perhaps already there with the help of some additional hydro and nuclear.
https://www.iea.org/reports/…

lol! Hochul actually just sent this out in an email blast.
We truly are on the cutting edge of the 1950s.

Replaced article(s) found for hep-ex. https://arxiv.org/list/hep-ex/new
[1/1]:
- Global Extraction of the $\rm^{12}C$ Nuclear Electromagnetic Response Functions (${\cal R}_L$ and...
Bodek, Christy, Lin, Bulugean, Delgado, Ankowski, Megias, Vidal

Small modular reactors are gaining global momentum, but will they actually be built? The nuclear energy industry is exploring SMRs as a cost-effective and flexible alternative to traditional reactors. #climatechange #climatesolutions

Small modular reactors are gaining steam globally. Will any get built?
Nuclear experts say 74 SMR designs are under active development worldwide. Proponents see the tech as the key to nuclear energy’s future.

The giant policy bill muscled through Congress by Republicans is poised to
remake American energy
by slashing tax breaks for wind and solar power and electric cars
while maintaining some federal support for sources like nuclear reactors and geothermal plants.
The legislation, which carries Trump’s domestic policy agenda, provides a boost to fossil fuels
and dismantles many of the biggest actions the federal government has ever taken to fight climate change,

How the G.O.P. Bill Will Reshape America’s Energy Landscape
Here’s a rundown on the winners and losers in the legislation muscled through Congress.

The Nature of an Unidentified X-ray Source in the 7 Ms Chandra Deep Field-South Catalog
Quinn P. Sullivan, Zhibo Yu, William N. Brandt, Bin Luo, Fan Zou
https://arxiv.org/abs/2508.03656

The Nature of an Unidentified X-ray Source in the 7 Ms Chandra Deep Field-South Catalog
In the 7 Ms Chandra Deep Field-South catalog, only one source, XID 912, was highly significantly detected in X-rays but had no formally reported counterparts in the UV, optical, infrared, or radio bands. We identified its potential JWST and VLT VIMOS counterparts and measured the corresponding aperture photometry to construct its spectral energy distribution (SED). We fitted this SED using CIGALE. The results indicate that the source is most likely an off-nuclear ultraluminous X-ray source, rat…

Statement from CND opposing Starmer/Miliband's #nuclear power plans, noting,
a) uranium is imported, b) Sizesell & SMRs are intested designs, c) the link to nuclear weapons of mass destruction.
"Government’s nuclear power roll out is about building up its weapons programme" - #CND…

Government’s nuclear power roll out is about building up its weapons programme - CND
The government’s announcement to pour billions of pounds into Sizewell C and roll out untested small modular reactor (SMR) nuclear plants is about building up its nuclear weapons programme rather than securing energy self-sufficiency.

Unraveling the Nature of the Nuclear Transient AT2020adpi
Paarmita Pandey, Jason Hinkle, Christopher Kochanek, Michael Tucker, Mark Reynolds, Jack Neustadt, Todd Thompson, Katie Auchettl, Benjamin Shappee, Aaron Do, Dhvanil Desai, W. Hoogendam, C. Ashall, Thomas Lowe, Melissa Shahbandeh, Anna Payne
https://arxiv.org/abs/2509.03593

Unraveling the Nature of the Nuclear Transient AT2020adpi
Transient events associated with supermassive black holes provide rare opportunities to study accretion and the environments of supermassive black holes. We present a multiwavelength study of AT2020adpi (ZTF20acvfraq), a luminous optical/UV transient in the nucleus of the galaxy WISEA J231853.77$-$103505.6 ($z=0.26$) that exhibits the properties of an ambiguous nuclear transient. Near peak, its spectral energy distribution is well described by a power law ($λL_λ\propto λ^{-α}$, $α= 0.44 \p…

#Google setzt auf #Kernenergie der nächsten Generation und schließt mit dem US-Versorger #TVA einen Stromabnahmevertrag für den geplanten

Google announced the next step in its nuclear energy plans 
Google is supporting the development of a next-generation nuclear reactor in a bid to get enough electricity for its AI data centers.

🚀 The real nuclear moonshot is here on Earth
#energy

The real nuclear moonshot is here on Earth
Developing extraterrestrial nuclear power is a worthy research project. If we are to someday establish permanent settlements on the moon, they will require a lot of energy.

"AI is consuming more power than the grid can handle. Nuclear might be the answer"
#AI #ArtificialIntelligence #Energy

AI is consuming more power than the grid can handle. Nuclear might be the answer
New partnerships are forming between tech companies and power operators—ones that could reshape decades of misconceptions about nuclear energy.

Utilizing Deep Learning for Enhanced Tritium Detection in CCDs
E. Rofors, R. Heller, R. J. Cooper, J. Estrada, G. Moroni, B. Nachman, K. Spears
https://arxiv.org/abs/2508.00532 …

Utilizing Deep Learning for Enhanced Tritium Detection in CCDs
This study explores the use of charge-coupled devices (CCDs) for detecting low-energy beta particles from tritium decay - a critical signal for nuclear safety, nuclear nonproliferation, and environmental monitoring. We employ a dual approach utilizing both measured CCD data and detailed Geant4 simulations. Our analysis compares classical techniques with advanced deep learning methods, including convolutional neural networks (CNNs), autoencoders trained exclusively on tritium data, and prelimina…

Simulating Binary Neutron Star Mergers with Finite-temperature Equations of State: The influences of the slope of the symmetry energy and artificial heating
Henrique Gieg, Maximiliano Ujevic, Armen Sedrakian, Tim Dietrich
https://arxiv.org/abs/2507.23684

Simulating Binary Neutron Star Mergers with Finite-temperature Equations of State: The influences of the slope of the symmetry energy and artificial heating
We present a new set of numerical-relativity simulations of merging binary neutron stars, aiming to identify possible observable signatures of the slope of the symmetry energy $L_{\rm sym}$. To achieve this goal, we employ a set of equations of state based on a parameterization of the covariant density functional theory of nuclear matter that allows controlled variations of $L_{\rm sym}$ and the skewness $Q_{\rm sat}$, holding the latter fixed. For a set of our simulations, we identify a steep …

A continuous-wave vacuum ultraviolet laser for the nuclear clock
Qi Xiao, Gleb Penyazkov, Xiangliang Li, Beichen Huang, Wenhao Bu, Juanlang Shi, Haoyu Shi, Tangyin Liao, Gaowei Yan, Haochen Tian, Yixuan Li, Jiatong Li, Bingkun Lu, Li You, Yige Lin, Yuxiang Mo, Shiqian Ding
https://arxiv.org/abs/2507.19449 https://arxiv.org/pdf/2507.19449 https://arxiv.org/html/2507.19449
arXiv:2507.19449v1 Announce Type: new
Abstract: The exceptionally low-energy isomeric transition in $^{229}$Th at around 148.4 nm offers a unique opportunity for coherent nuclear control and the realisation of a nuclear clock. Recent advances, most notably the incorporation of large ensembles of $^{229}$Th nuclei in transparent crystals and the development of pulsed vacuum-ultraviolet (VUV) lasers, have enabled initial laser spectroscopy of this transition. However, the lack of an intense, narrow-linewidth VUV laser has precluded coherent nuclear manipulation. Here we introduce and demonstrate the first continuous-wave laser at 148.4 nm, generated via four-wave mixing (FWM) in cadmium vapor. The source delivers 100 nW of power with a linewidth well below 100 Hz and supports broad wavelength tunability. This represents a five-orders-of-magnitude improvement in linewidth over all previous single-frequency lasers below 190 nm, marking a major advance in laser technology. We develop a spatially resolved homodyne technique to place a stringent upper bound on the phase noise induced by the FWM process and demonstrate sub-hertz linewidth capability. These results eliminate the final technical hurdle to a $^{229}$Th-based nuclear clock, opening new directions in quantum metrology, nuclear quantum optics and precision tests of the Standard Model. More broadly, they establish a widely tunable, ultranarrow-linewidth laser platform for applications across quantum information science, condensed matter physics, and high-resolution VUV spectroscopy.
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Austin-based Aalo Atomics, which is building a modular nuclear reactor and data center, set to finish construction in 2026, raised a $100M Series B led by Valor (Julia Hornstein/Business Insider)
https://www.businessinsider.com/aalo-atomi

Aalo Atomics lands $100 million to launch nuclear reactors to power AI
Aalo Atomics raises $100 million to mass-produce nuclear reactors to power data centers amid the growing energy demand from AI.

EU president throws her full weight behind the Netanyahu & Trump attacks on Iran, while negotiations were ongoing.
Reminders:
1) Iran restarted uranium enrichment after Trump withdrew from the agreement in 2018.
2) US intelligence recently stated that Iran did not pursue nuclear weapon development.

Exploring the Capabilities of the Frontier Large Language Models for Nuclear Energy Research
Ahmed Almeldein, Mohammed Alnaggar, Rick Archibald, Tom Beck, Arpan Biswas, Rike Bostelmann, Wes Brewer, Chris Bryan, Christopher Calle, Cihangir Celik, Rajni Chahal, Jong Youl Choi, Arindam Chowdhury, Mark Cianciosa, Franklin Curtis, Gregory Davidson, Sebastian De Pascuale, Lisa Fassino, Ana Gainaru, Yashika Ghai, Luke Gibson, Qian Gong, Christopher Greulich, Scott Greenwood, Cory Hauck, Ehab …

Exploring the Capabilities of the Frontier Large Language Models for Nuclear Energy Research
The AI for Nuclear Energy workshop at Oak Ridge National Laboratory evaluated the potential of Large Language Models (LLMs) to accelerate fusion and fission research. Fourteen interdisciplinary teams explored diverse nuclear science challenges using ChatGPT, Gemini, Claude, and other AI models over a single day. Applications ranged from developing foundation models for fusion reactor control to automating Monte Carlo simulations, predicting material degradation, and designing experimental progr…

Investors brace for oil price spike, rush to havens after US bombs Iran nuclear sites (Reuters)
https://www.reuters.com/business/energy/middle-east-tensions-put-investors-alert-weighing-worst-case-scenarios-2025-06-21/
http://www.memeorandum.com/250622/p44#a250622p44

Signal processing and data acquisition system for the BTO detectors onboard COSI
Shunsaku Nagasawa, Tadayuki Takahashi, Kazuhiro Nakazawa, Hannah Gulick, Claire Chen, Hiroki Yoneda, Keigo Okuma, Matt Dexter, Josh Forgione, Nihal Gulati, Andrew Ji, Kaylie Ching, Isabel Schmidtke, Sarah Jauregui, Eric Yang, Andreas Zoglauer, Juan Carlos Martinez Oliveros, John Tomsick

Signal processing and data acquisition system for the BTO detectors onboard COSI
The energy range from a few hundred keV to a few MeV includes important probes such as nuclear gamma-rays and the 511 keV annihilation line. However, compared to X-rays and GeV/TeV gamma-rays, this range suffers from lower sensitivity by orders of magnitude. The upcoming NASA SMEX satellite mission Compton Spectrometer and Imager (COSI), scheduled for launch in 2027, is expected to break through this limitation with its Compton telescope utilizing a germanium semiconductor detector, covering th…

Ab Initio Study of $^7$Li with Coupled $^6$Li $n$ and $^6$He $p$ Mass Partitions
Jakub Herko (TRIUMF, Lawrence Livermore National Laboratory), Konstantinos Kravvaris (Lawrence Livermore National Laboratory), Petr Navr\'atil (TRIUMF, University of Victoria), Sofia Quaglioni (Lawrence Livermore National Laboratory), Guillaume Hupin (Universit\'e Paris-Saclay, CNRS/IN2P3, IJCLab), Mark A. Caprio (Department of Physics and Astronomy, University of Notre Dame)

Ab Initio Study of $^7$Li with Coupled $^6$Li + $n$ and $^6$He + $p$ Mass Partitions
Background: Lithium plays an important role in nuclear astrophysics, fusion energy generation, and nuclear technology. From a theoretical point of view, the nucleus $^7$Li presents a remarkable challenge, as its bound states and resonances can be understood as being formed by a $^4$He and $^3$H pair, or simultaneously, a single neutron/proton coupled to a $^6$Li/$^6$He core. In light of this complexity, a consistent description of $^7$Li bound-state and continuum properties in a unified model p…

New research effort could boost nuclear fuel performance
#energy

Iran decided to ban the head of the International Atomic Energy Agency from its nuclear facilities
-- and to remove surveillance cameras from them,
-- claiming it discovered Israel’s government obtained
“sensitive facility data.”
 The vice speaker of the Iranian parliament,
Hamid Reza Haji Babaei,
announced the decision to bar IAEA Director General Rafael Grossi on Saturday
during funerals of top military officials and nuclear scientists killed by r…

Iran reportedly bans IAEA chief, surveillance cameras from nuclear plants
Tehran claims Israel’s government obtained “sensitive facility data,” according to media reports.

"Nuclear waste could be a source of fuel in future reactors"
#NuclearPower #Energy
https://

Nuclear waste could be a source of fuel in future reactors
From electric cars to artificial intelligence (AI) data centers, the technologies people use every day require a growing need for electricity. In theory, nuclear fusion—a process that fuses atoms together, releasing heat to turn generators—could provide vast energy supplies with minimal emissions. But nuclear fusion is an expensive prospect because one of its main fuels is a rare version of hydrogen called tritium.

Searches for new light particles at the Troitsk Meson Factory (TiMoFey)
Sergey Demidov, Alexander Feschenko, Dmitry Gorbunov, Alexander Izmaylov, Dmitry Kalashnikov, Leonid Kravchuk, Ekaterina Kriukova, Yury Kudenko, Nikita Mashin, Yury Senichev
https://arxiv.org/abs/2508.01968

Searches for new light particles at the Troitsk Meson Factory (TiMoFey)
The project of a new accelerator complex at the Institute for Nuclear Research of RAS in Troitsk has recently been included in the Russian National Program ``Fundamental Properties of Matter". It will sustain a proton beam with a current of 300 (100) $μ$A and a proton kinetic energy of $T_p=423\,(1300)$ MeV at the first (second) stage of operation. The complex is multidisciplinary, and here we investigate its prospects in exploring new physics with light, feebly interacting particles. We find …

The biggest political row over the heat erupted in France, where the National Rally figurehead, Marine Le Pen, called for a “major” air conditioning plan – one week after the party failed in its parliamentary push to halt new wind and solar projects. In an opinion article in Le Figaro on Thursday, the interior minister, Bruno Retailleau, a conservative, called to stop support for renewable energy and expand France’s nuclear energy sector.
https://www.theguardian.com/environment/2025/jul/04/europe-heatwaves-failing-support-climate-action?CMP=Share_iOSApp_Other

Dutch caretaker-minister of defense joins in with German chancellor Merz, saying "Israel is doing our dirty work". That'd be by attacking Iran while negotiations were ongoing, and after US intelligence concluded that Iran was not actively pursuing nuclear weapons development.
ht…

Kabinet met spoed bijeen vanwege situatie in Iran
In die raad bespreken ministers internationale ontwikkelingen die de Nederlandse veiligheid raken. Nu zal het gaan over hoe om te gaan met de Amerikaanse bombardementen op Iran.

Probing surface vibration of spherical nuclei in relativistic heavy-ion collisions
Kouichi Hagino, Masakiyo Kitazawa
https://arxiv.org/abs/2508.05125 https://

Probing surface vibration of spherical nuclei in relativistic heavy-ion collisions
There has been increasing interest in recent years in using relativistic heavy-ion collisions to probe nuclear structure, such as static nuclear deformation. Here we discuss the role of quantum zero-point fluctuations of the surface vibration of spherical nuclei in relativistic heavy-ion collisions. To this end, we employ an approach to describe the vibration in the space-fixed frame, which has been well established in the field of low-energy heavy-ion fusion reactions. We particularly consider…

Nuclear Physics Confronts Relativistic Collisions Of Isobars
Giuliano Giacalone, Jiangyong Jia, Vittorio Som\`a, You Zhou, Anatoli Afanasjev, Massimiliano Alvioli, Benjamin Bally, Federica Capellino, Jean-Paul Ebran, Hannah Elfner, Fernando G. Gardim, Andr\'e V. Giannini, Fr\'ed\'erique Grassi, Eduardo Grossi, Jan Hammelmann, Andreas Kirchner, Dean Lee, Matthew Luzum, Hadi Mehrabpour, Emil G. Nielsen, Govert Nijs, Tamara Nik\v{s}i\'c, Jacquelyn Noronha-Hostler, Jean-Yve…

Nuclear Physics Confronts Relativistic Collisions Of Isobars
High-energy collisions involving the $A=96$ isobars $^{96}$Zr and $^{96}$Ru have been performed in 2018 at Brookhaven National Laboratory's Relativistic Heavy Ion Collider (RHIC) as a means to search for the chiral magnetic effect in QCD. This would manifest itself as specific deviations from unity in the ratio of observables taken between $^{96}$Zr+$^{96}$Zr and $^{96}$Ru+$^{96}$Ru collisions. Measurements of such ratios (released at the end of 2021) indeed reveal deviations from unity, but th…

Direct Nuclear-Level Qubits using Trapped Th-229 Ions: A Platform for Entanglement and Universal Quantum Information Processing
Jingbo Wang, Haixing Miao, Shiqian Ding, Dong E. Liu
https://arxiv.org/abs/2508.10626

Direct Nuclear-Level Qubits using Trapped Th-229 Ions: A Platform for Entanglement and Universal Quantum Information Processing
The low-energy isomeric transition in Thorium-229 offers a unique interface between nuclear and atomic physics, presenting a resource for quantum technologies that is notably resilient to environmental decoherence. While early experiments focused on nuclei in solid-state crystals, the recent advent of a continuous-wave vacuum ultraviolet laser at 148.4~nm now enables direct coherent control of individual trapped Th-229 ions. Building on this breakthrough, we present a theoretical framework for …

Partnership to develop nuclear fusion components for limitless energy machines is underway! #climatechange #climatesolutions #climate

New partnership aims to build incredibly complex parts for limitless energy machines: 'Looks like a big twisted pretzel'
Type One Energy, a nuclear fusion developer based in Knoxville, has announced contracts with the Tennessee Valley Authority to build nuclear fusion components.

🪆 Was the proposal of a nuclear consortium in Kazakhstan just a sham?
https://globalvoices.org/2025/07/05/was-the-proposal-of-a-nuclear-consortium-in-kazakhstan-just-a-sham/

Was the proposal of a nuclear consortium in Kazakhstan just a sham?
Now that Rosatom has been picked, the population has yet to discover what part Kazakhstan will play.

Probing transition rates, nuclear moments and electric dipole polarizability in nobelium using multireference FSRCC and PRCC theories
Ravi Kumar, Palki Gakkhar, D. Angom, B. K. Mani
https://arxiv.org/abs/2507.20875 https://arxiv.org/pdf/2507.20875 https://arxiv.org/html/2507.20875
arXiv:2507.20875v1 Announce Type: new
Abstract: We employ an all-particle multireference Fock-space relativistic coupled-cluster (FSRCC) theory to compute the ionization potential, excitation energy, transition rate and hyperfine structure constants associated with $7s^2\;^{1}S_{0}\rightarrow 7s7p\;^{3}P_{1}$ and $7s^2\;^{1}S_{0}\rightarrow 7s7p\;^1P_{1}$ transitions in nobelium (No). Using our state-of-the-art calculations in conjunction with available experimental data \cite{raeder-18}, we extract the values of nuclear magnetic dipole ($\mu$) and electric quadrupole ($Q$) moments for $^{253}$No. Further, information on nuclear deformation in even-mass isotopes is extracted from the isotope shift calculations. Moreover, we employ a perturbed relativistic coupled-cluster (PRCC) theory to compute the ground state electric dipole polarizability of No. In addition, to assess the accuracy of our calculations, we compute the ionization potential and dipole polarizability of lighter homolog ytterbium (Yb). To account for strong relativistic and quantum electrodynamical (QED) effects in No, we incorporate the corrections from Breit interaction, vacuum polarization and self-energy in our calculations. The contributions from triple excitations in coupled-cluster is accounted perturbatively. Our calculations reveal a significant contribution of $\approx$10\% from the perturbative triples to the transition rate of $7s^2\;^1S_{0}\rightarrow 7s7p\;^3P_{1}$ transition. The largest cumulative contribution from Breit QED is observed to be $\approx$4\%, to the magnetic dipole hyperfine structure constant of $7s7p\;^1P_{1}$ state. Our study provides a comprehensive understanding of atomic and nuclear properties of nobelium with valuable insights into the electron correlation and relativistic effects in superheavy elements.
toXiv_bot_toot

We all understand that Hochul's announcement is complete bullshit, right? Like, they haven't even picked a spot for the nuclear plant yet, and that will be a huge battle all by itself. Wind and solar (combined with batteries) will cost less and be rolled out far sooner. Hochul is announcing a project that will never happen.

Hunting for Axions in REactor neutrino COherent scattering Detection Experiment
Wei Dai, Yuanlin Gong, Guanhua Gu, Liangliang Su, Li Wang, Lei Wu, Yongcheng Wu, Litao Yang
https://arxiv.org/abs/2509.01538

Hunting for Axions in REactor neutrino COherent scattering Detection Experiment
Nuclear power plants are not only vital sources of clean energy but also powerful facilities for probing new physics beyond the Standard Model. Due to the intense gamma-ray flux and an appropriate energy conditions, they are particularly well-suited for searches of light hypothetical particles such as sub-MeV axions and axion-like particles (ALPs). In this work, we propose to search for the ALPs in the REactor Neutrino COherent scattering Detection Experiment (RECODE), where two low-threshold, …

North Korea is building a new facility at its Yongbyon nuclear complex that is similar to a known uranium enrichment site, says the International Atomic Energy Agency
https://www.dw.com/en/is-north-korea-boosting-its-nuclear-capabilities/a-7295378…

Is North Korea boosting its nuclear capabilities?
North Korea is building a new facility at its Yongbyon nuclear complex that is similar to a known uranium enrichment site, says the International Atomic Energy Agency (IAEA).

Fast Methods For Multisite Charge Transfer Processes II: Analytic Nuclear Gradients and Nonadiabatic Dynamics For cCASSCF(1,M) and cCASSCF(2M-1,M) Wavefunctions
Tian Qiu, Joseph E. Subotnik
https://arxiv.org/abs/2508.21139

Fast Methods For Multisite Charge Transfer Processes II: Analytic Nuclear Gradients and Nonadiabatic Dynamics For cCASSCF(1,M) and cCASSCF(2M-1,M) Wavefunctions
We derive and implement analytic nuclear gradients and derivative couplings for a constrained Complete Active Space Self-Consistent Field with a small active space designed to model electron or hole transfer. Using a Lagrangian formalism, we are able to differentiate both the CASSCF energy and the constraint (which is required for globally smooth surfaces), and the resulting efficient algorithm can be immediately applied to nonadiabatic dynamics simulations of charge transfer processes. Here, w…

Quasiparticle interaction originating from Bogoliubov Fermi Surfaces under pressure in 18%-S substituted FeSe studied via NMR
Zhongyu Yu, Xiaoling Shen, Koya Nakamura, Kazuya Inomata, Kohei Matsuura, Yuta Mizukami, Shigeru Kasahara, Yuji Matsuda, Takasada Shibauchi, Yoshiya Uwatoko, Naoki Fujiwara
https://arxiv.org/abs/2507.20139

Quasiparticle interaction originating from Bogoliubov Fermi Surfaces under pressure in 18%-S substituted FeSe studied via NMR
S-substituted FeSe superconductors in the tetragonal phase display several unique features among iron-based superconductors, particularly the presence of zero-energy excitations in the superconducting (SC) state.The recent concept of Bogoliubov Fermi Surfaces (BFSs), a theoretical model describing ultranodal states, has attracted considerable interest. Nuclear magnetic resonance (NMR) studies on FeSe$_{1-x}$S$_x$ (x=0.18) have revealed an anomalous low-energy spin fluctuations deep in the SC st…

EU would require €241-286 billion investment to keep its nuclear power capacity roughly at today's level, draft shows. It would increase from 97 now to 109 GW by 2050; that's 12%, sharply reducing its share of growing overall electricity demand.

Novel coincidence detection technique for precision measurement of neutron-capture-induced nuclear recoils
A J Biffl, Gerardo D Gonzalez, A N Villano, N Mirabolfathi
https://arxiv.org/abs/2506.20022

Novel coincidence detection technique for precision measurement of neutron-capture-induced nuclear recoils
Usually, detailed information about particle motions, energies, and interactions in the crystal lattice cannot be directly measured. Neutron capture (n,γ) can produce detectable, precise-energy nuclear recoils for detector calibration and solid-state physics studies. This paper proposes a first-of-its-kind experiment to measure the twin products of neutron capture - the postcapture deexcitation gamma and postcapture nuclear recoil. Simulations show that with a 1 mCi californium neutron source,…

Machine Learning-Driven High-Precision Model for $\alpha$-Decay Energy and Half-Life Prediction of superheavy nuclei
Qingning Yuan, Panpan Qi, Xuanpen Xiao, Xue Wang, Juan He, Guimei Long, Zhengwei Duan, Yangyan Dai, Runchao Yan, Gongming Yu, Haitao Yang, Qiang Hu
https://arxiv.org/abs/2508.03155

Machine Learning-Driven High-Precision Model for $α$-Decay Energy and Half-Life Prediction of superheavy nuclei
Based on Extreme Gradient Boosting (XGBoost) framework optimized via Bayesian hyperparameter tuning, we investigated the α-decay energy and half-life of superheavy nuclei. By incorporating key nuclear structural features-including mass number, proton-to-neutron ratio, magic number proximity, and angular momentum transfer-the optimized model captures essential physical mechanisms governing $α$-decay. On the test set, the model achieves significantly lower mean absolute error (MAE) and root mea…

🛩️ Are Small Modular Reactors Worthy of the Hype?
#energy

Are Small Modular Reactors Worthy of the Hype
Small modular reactors SMRs are a promising advanced nuclear technology that could make nuclear capacity expansion cheaper, safer, and more efficient.

Fundamental Nuclear and Particle Physics At Neutron Sources
H. Abele, J. Amaral, W. R. Anthony, L. AAstrand, M. Atzori Corona, S. Baessler, M. Bartis, E. Baussan, D. H. Beck, J. Bijnens, K. Bodek, J. Bosina, E. Bossio, G. Brooijmans, L. J. Broussard, G. Brunetti, A. Burgman, M. Cadeddu, N. Cargioli, J. Cederkall, A. Chambon, T. W. Choi, P. Christiansen, V. Cianciolo, C. B. Crawford, S. Degenkolb, N. Delarosa, M. Demarteau, K. Dickerson, D. D. DiJulio, F. Dordei, Y. Efremenko, T. Ekelof…

Fundamental Nuclear and Particle Physics At Neutron Sources
Fundamental neutron and neutrino physics at neutron sources, combining precision measurements and theory, can probe new physics at energy scales well beyond the highest energies probed by the LHC and possible future high energy collider facilities. The European Spallation Source (ESS) will in the not too far future be a most powerful pulsed neutron source and simultaneously the world's brightest pulsed neutrino source. The ESS, and neutron sources in general, can provide unprecedented and uniqu…

Jellyfish managed to temporarily shut down 3.6 GW of French nuclear power generation. That's a big event in the European power system, but it probably didn't happen all of a sudden, giving some time to prepare for it. https://www.bbc.com/news/articles/cx299eyg7qko

Jellyfish force French nuclear plant to shut down
A "massive and unpredictable presence of jellyfish" swarmed the site's cooling system, its operator says.

Probing a Light Scalar Boson with a few-MeV Proton Beam Deep Underground
Carlo Broggini, Giuseppe Di Carlo, Luca Di Luzio, Denise Piatti, Claudio Toni
https://arxiv.org/abs/2509.03486

Probing a Light Scalar Boson with a few-MeV Proton Beam Deep Underground
We propose to investigate the production of a light scalar boson $ϕ$ in low-energy proton-nucleus interactions using the 3.5 MV accelerator of the Bellotti Ion Beam Facility, located in the underground Gran Sasso National Laboratory. Nuclear reactions induced by a few-MeV proton beam on suitable target materials can act as a controlled source of $ϕ$ particles. Owing to the deep-underground location, the facility benefits from substantial cosmic-ray shielding, enabling searches for rare proces…

Criticality analysis of nuclear binding energy neural networks
S. A. Sundberg, R. J. Furnstahl
https://arxiv.org/abs/2508.01001 https://arxiv.org/pdf/2508.…

Criticality analysis of nuclear binding energy neural networks
Machine learning methods, in particular deep learning methods such as artificial neural networks (ANNs) with many layers, have become widespread and useful tools in nuclear physics. However, these ANNs are typically treated as ``black boxes'', with their architecture (width, depth, and weight/bias initialization) and the training algorithm and parameters chosen empirically by optimizing learning based on limited exploration. We test a non-empirical approach to understanding and optimizing nucle…

"Poland to build Europe’s first of its kind small-scale nuclear power plant in Włocławek"
#Poland #Europe #Nuclear #Energy

Poland to build Europe's first small-scale nuclear power plant
Poland’s first small modular nuclear power plant, or SMR, will be built in Włocławek, energy company Orlen announced on Thursday, the first project of its kind in Europe.

Observation of a low energy nuclear recoil peak in the neutron calibration data of an Al$_{2}$O$_{3}$ crystal in CRESST-III
CRESST Collaboration, G. Angloher, S. Banik, A. Bento, A. Bertolini, R. Breier, C. Bucci, L. Burmeister, F. Casadei, E. Cipelli, J. Burkhart, L. Canonica, J. Dohm, F. Dominsky, S. Di Lorenzo, L. Einfalt, A. Erb, E. Fascione, F. v. Feilitzsch, S. Fichtinger, D. Fuchs, V. M. Ghete, P. Gorla, P. V. Guillaumon, D. Hauff, M. Je\v{s}kovsk\'y, J. Jochum, M. Kaznachee…

Observation of a low energy nuclear recoil peak in the neutron calibration data of an Al$_{2}$O$_{3}$ crystal in CRESST-III
The current generation of cryogenic solid state detectors used in direct dark matter and CE\textnu NS searches typically reach energy thresholds of $\mathcal{O}$(10)$\,$eV for nuclear recoils. For a reliable calibration in this energy regime a method has been proposed, providing mono-energetic nuclear recoils at low energies $\sim\,$100$\,$eV$\,$-$\,$1$\,$keV. In this work we report on the observation of a peak at (1113.6$^{+6.5}_{-6.5}$)$\,$eV in the data of an Al$_{2}$O$_{3}$ crystal in CRESS…

£13.2bn fund to fix draughty homes and install heat pumps and solar panels.
Nothing else that I can see on reduction of energy demand.
And here is the money being wasted:
'£30bn in investment in nuclear power, about half on the Sizewell C reactor'
Small tidal schemes in the Mersey, Severn and other estuaries would give a better, and safer, approach to "always on" energy supply.

Direct Vertex Reconstruction of $\Lambda$ Baryons from Hits in CLAS12 using Graph Neural Networks
Keegan Menkce, Matthew McEneaney, Anselm Vossen
https://arxiv.org/abs/2507.01868 …

Direct Vertex Reconstruction of $Λ$ Baryons from Hits in CLAS12 using Graph Neural Networks
Machine learning techniques, including Graph Neural Networks (GNNs), have been used extensively for data analysis in high energy and nuclear physics. Here we report on the use of a GNN to reconstruct decay vertices of $Λ$ hyperons directly from hits in the tracking detector at the CLAS12 experiment at Jefferson Laboratory (JLab). We show that we can improve the vertex reconstruction in simulation compared to the standard, track based, algorithm. We believe this warrants further study. The curr…

Role of symmetry energy at subnuclear densities in protoneutron star crusts
Ken'ichiro Nakazato, Hajime Togashi, Kohsuke Sumiyoshi, Hideyuki Suzuki
https://arxiv.org/abs/2508.16120

Role of symmetry energy at subnuclear densities in protoneutron star crusts
The impact of matter properties at subnuclear densities on the evolution of protoneutron stars is investigated. Several models of nuclear equation of state (EOS) are constructed with varying saturation parameters, particularly the symmetry energy $S_0$ and its density slope $L$. Using the Thomas--Fermi approximation, the mass and proton numbers of heavy nuclei at subnuclear densities are systematically evaluated, along with their dependence on the EOS. Cooling simulations of protoneutron stars …

Isotope shift for total electron binding energy of atoms
V. A. Dzuba, V. V. Flambaum
https://arxiv.org/abs/2507.21410 https://arxiv.org/pdf/2507.21410 https://arxiv.org/html/2507.21410
arXiv:2507.21410v1 Announce Type: new
Abstract: We compute the isotope shifts of the \emph{total} electron binding energy of neutral atoms and singly charged ions up to element $Z=120$, using relativistic Hartree-Fock method including the Breit interaction. Field shift coefficients are extracted by varying the nuclear charge radius; a small quadratic term is retained to cover large radius changes relevant to superheavy nuclei. We tabulate isotope shift coefficients for closed shell systems from Ne to Og and benchmark selected open shell cases, used to test the interpolation formula. A simple power law interpolation $bZ^k$ reproduces calculated field shifts to within about 1\% across the table, with the effective exponent $k$ growing from roughly 5 near $Z \sim 50$ to about 12 at $Z \sim 118$. Due to the domination of inner shells, differences between neutrals and singly charged ions does not exceed few percent, becoming noticeable mainly when an outer $s$ electron is removed. Therefore, these results may also be used for higher charge ions.
toXiv_bot_toot

"India achieves 50% clean power capacity five years ahead of target"
#India #Renewables #Energy

India achieves 50% clean power capacity five years ahead of target
India reached 484.82 GW of total installed power capacity as of June 30, 2025, with 242.8 GW from non-fossil fuel sources, including 8.8 GW nuclear, 49.4 GW hydro, and 184.6 GW from renewable energy.

Three models for charged hadron nuclear modification from light to heavy ions
Wilke van der Schee, Isobel Kolb\'e, Govert Nijs, Kumail Ruhani, Ishtiaq Ahmed, Shahin Iqbal
https://arxiv.org/abs/2509.04299

Three models for charged hadron nuclear modification from light to heavy ions
In July 2025 the Large Hadron Collider (LHC) collided $^{16}$O$^{16}$O and $^{20}$Ne$^{20}$Ne isotopes in a quest to understand the physics of ultrarelativistic light ion collisions. One of the key motivations for this run is to discover partonic energy loss in systems with a small quark-gluon plasma (QGP). In this letter we combine a BDMPS-Z based model, a path-length based energy loss prescription, and JEWEL together with two realistic geometries of the $^{16}$O and $^{20}$Ne isotopes. The di…

Imaging nuclear shape through anisotropic and radial flow in high-energy heavy-ion collisions
The STAR Collaboration
https://arxiv.org/abs/2506.17785 https…

Imaging nuclear shape through anisotropic and radial flow in high-energy heavy-ion collisions
Most atomic nuclei exhibit ellipsoidal shapes characterized by quadrupole deformation $β_2$ and triaxiality $γ$, and sometimes even a pear-like octupole deformation $β_3$. The STAR experiment introduced a new "imaging-by-smashing" technique [arXiv:2401.06625, arXiv:2501.16071] to image the nuclear global shape by colliding nuclei at ultra-relativistic speeds and analyzing outgoing debris. Features of nuclear shape manifest in collective observables like anisotropic flow $v_n$ and radial flow…

The (3 1)D structure of the dilute Glasma
Andreas Ipp, Markus Leuthner, David I. M\"uller, S\"oren Schlichting, Kayran Schmidt, Pragya Singh
https://arxiv.org/abs/2508.20725

The (3+1)D structure of the dilute Glasma
We study the (3+1)D structure of the Glasma in the dilute approximation, which allows us to describe the longitudinal dynamics that arise from the three-dimensional nuclear structure. We employ a nuclear model with tunable longitudinal and transverse fluctuation scales that generalizes the McLerran-Venugopalan model. We discuss the longitudinal profiles of the energy-momentum tensor and the transverse structure of the local rest frame energy density.

US nuclear, geothermal, and energy storage companies have found a lifeline in the AI data center boom after years of challenges such as high interest rates (Bloomberg)
https://www.bloomberg.com/news/articles/2025-08-08/ai-money-is-raining-down-…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Energy-Energy Correlator for jet production in $pp$ and $pA$ collisions
Jo\~ao Barata, Zhong-Bo Kang, Xo\'an Mayo L\'opez, Jani Penttala

QED calculations of the $2p$-$2s$ transition energies in Li-like ions
V. A. Yerokhin, Z. Harman, C. H. Keitel
https://arxiv.org/abs/2507.21718 https://arxiv.org/pdf/2507.21718 https://arxiv.org/html/2507.21718
arXiv:2507.21718v1 Announce Type: new
Abstract: Systematic QED calculations of ionization energies of the $2s$, $2p_{1/2}$, and $2p_{3/2}$ states, as well as the $2p_{1/2}$--$2s$ and $2p_{3/2}$--$2p_{1/2}$ transition energies are performed for Li-like ions with the nuclear charge numbers $Z = 10$--$100$. The convergence of QED perturbative expansion is improved by using the extended Furry picture, which starts from the Dirac equation with a local screening potential. An ab initio treatment is accomplished for one- and two-photon electron-structure QED effects and the one-photon screening of the self-energy and vacuum-polarization corrections. This is complemented with an approximate treatment of the two-photon QED screening and higher-order (three or more photon) electron-structure effects. As a result, the obtained theoretical predictions improve upon the accuracy achieved in previous calculations. Comparison with available experimental data shows a good agreement between theory and experiment. In most cases, the theoretical values surpass the experimental results in precision, with only a few exceptions. In the case of uranium and bismuth, the comparison provides one of the most stringent tests of bound-state QED in the strong-field regime. Alternatively, the obtained results can be employed for high-precision determinations of nuclear charge radii.
toXiv_bot_toot

Crosslisted article(s) found for hep-ph. https://arxiv.org/list/hep-ph/new
[1/1]:
- Probing the onset of collectivity via scaled particle spectra in ultrarelativistic nuclear collis...
Thiago S. Domingues, et al.

#4. Trump floats the idea of a regime change
The Trump administration is continuing to try to figure out exactly how effective its strike was in degrading Iran's ability to build a nuclear weapon.
"Final battle damage will take some time," Caine said,
"but initial battle damage assessments indicate that all three sites sustained extremely severe damage and destruction."
The International Atomic Energy Agency confirmed on Sunday that the three …

Unveiling the Cosmic Dance of Repeated Nuclear Transient ASASSN-14ko: Insights from Multiwavelength Observations
Shifeng Huang, Tinggui Wang, Ning Jiang, Rong-Feng Shen, Zhaohao Chen, Yuanming Wang, Jiazheng Zhu, Yibo Wang, Yunguo Jiang, Xinwen Shu, Hucheng Ding, Xiongjun Fang, Yifan Wang, Jie Lin, Jingran Xu, Xu Chen, Zheyu Lin, Zhengfeng Sheng
http…

Unveiling the Cosmic Dance of Repeated Nuclear Transient ASASSN-14ko: Insights from Multiwavelength Observations
ASASSN-14ko is a periodically repeating nuclear transient. We conducted high-cadence, multiwavelength observations of this source, revealing several recurrent early bumps and rebrightenings in its UV/optical light curves. The energy released during these bumps and rebrightenings shows a diminishing trend in recent UV/optical outbursts, which we monitored through multiwavelength observations. These features can be ascribed to the interaction between stream debris and the expanded disk in the rep…

The equation of state for neutron stars with speed of sound constraints via Bayesian inference
Xieyuan Dong, Hong Shen, Jinniu Hu, Ying Zhang
https://arxiv.org/abs/2509.03069 ht…

The equation of state for neutron stars with speed of sound constraints via Bayesian inference
The parametrized equation of state (EOS) of neutron stars is investigated by Bayesian inference method with various constraints from both nuclear physics and modern astronomical observations. The expansion coefficients correspond to the properties of symmetric nuclear matter and the density dependence of the symmetry energy. The empirical values of the symmetry energy at subsaturation density and the density of crust-core phase transition are considered to limit the low-density behavior of EOS,…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- No-quenching baseline for energy loss signals in oxygen-oxygen collisions
Jannis Gebhard, Aleksas Mazeliauskas, Adam Takacs

Exploring Shell Evolution and N = 40 Magicity in Light-Mass Nuclei with Relativistc Mean Field Approach
Priyanka Saini, Praveen K. Yadav, M. S. Mehta, M. Bhuyan
https://arxiv.org/abs/2508.00102

Exploring Shell Evolution and N = 40 Magicity in Light-Mass Nuclei with Relativistc Mean Field Approach
We employ the relativistic mean-field (RMF) approach with NL3 parameters to study shell and sub-shell closures in the isotopic chains of Cl, Ar, K, Ca, Sc, Ti, V, and Cr nuclei. By analyzing nuclear bulk properties, binding energy, charge radii, two-neutron separation energies, deformation parameters ($β_2$), and single-particle levels we trace the evolution of magic numbers. Our results highlight the single-particle energy levels to examine nuclear shell closure and the occupancy of individua…

Assessing the accuracy of the GENIE event generator with electron scattering data: Reduced cross section and nuclear transparency
A. V. Butkevich, S. V. Luchuk
https://arxiv.org/abs/2506.19355

Assessing the accuracy of the GENIE event generator with electron scattering data: Reduced cross section and nuclear transparency
The reduced cross sections of the semi-exclusive $(l,l'p)$ lepton scattering process can be identified with distorted nuclear spectral functions. Irrespective of the type of interaction the distorted spectral function is determined mainly by intrinsic properties of the target and the ejected nucleon interaction with residual nucleus. Thus the reduced cross sections of the neutrino and electron scattering on nuclei as functions of nucleon missing momentum and energy are similar up to Coulomb cor…

The head of Iran’s atomic energy organization said a third site is ready to operate
as the UN watchdog finds Iran is not complying with obligations for first time in 20 years
https://www.

Laser M\"ossbauer spectroscopy of ^{229}Th
Takahiro Hiraki, Takahiko Masuda, Sayuri Takatori, Fabian Schaden, Michael Bartokos, Kjeld Beeks, Yuta Fukunaga, Andreas Gr\"uneis, Ming Guan, Georgy Kazakov, Thomas LaGrange, Adrian Leitner, Ira Morawetz, Ryoichiro Ogake, Koichi Okai, Martin Pimon, Martin Pressler, Thomas Riebner, Noboru Sasao, Felix Schneider, Thorsten Schumm, Kotaro Shimizu, Luca Toscani de Col, Tomas Sikorsky, Akihiro Yoshimi, Koji Yoshimura

Laser Mössbauer spectroscopy of ^{229}Th
Mössbauer spectroscopy is widely used in biochemistry, geology, and solid-state physics to obtain structural information on materials. Here, we extend this technique into the optical range using a vacuum ultraviolet laser to probe the low-energy nuclear transitions of thorium-229, doped in calcium fluoride crystals. We discover four distinct doping sites for the thorium ions, determine the characteristic electric field gradients emerging in the interaction with the host crystal, and identify t…

"New York will build first major new US nuclear power plant in over 15 years"
#US #USA #America #NuclearPower

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Benchmarking nuclear matrix elements of $0\nu\beta\beta$ decay with high-energy nuclear collisions
Yi Li, Xin Zhang, Giuliano Giacalone, Jiangming Yao

Neutron Dark Decay in Neutron Stars: The Role of the Symmetry Energy
M. Divaris, Ch. C. Moustakidis
https://arxiv.org/abs/2508.21754 https://arxiv.org/pdf/…

Neutron Dark Decay in Neutron Stars: The Role of the Symmetry Energy
We conduct a systematic investigation of the influence of the nuclear symmetry energy on the proposed neutron decay into dark matter particles within the cores of neutron stars. Unlike the majority of previous studies that considered only pure neutron matter, the present analysis is extended to encompass $β$-stable nuclear matter. Furthermore, in relation to previous studies, the interactions between dark matter and baryons are incorporated and systematically studied regarding their effect on …

A fresh look at the nuclear transparency using the generalized parton distributions (GPDs)
The MMGPDs Collaboration, Muhammad Goharipour, Fatemeh Irani, K. Azizi, Dipangkar Dutta
https://arxiv.org/abs/2507.06333

A fresh look at the nuclear transparency using the generalized parton distributions (GPDs)
Color transparency (CT) is a fundamental phenomenon in quantum chromodynamics (QCD) where hadrons produced in high-energy exclusive processes traverse nuclear matter with minimal interactions. Nuclear transparency, which quantifies this attenuation suppression, is a quantity with high sensitivity to CT effects and provides critical insights into QCD dynamics in nuclear environments. In this study, we revisit nuclear transparency using the framework of generalized parton distributions (GPDs). By…

Configuration mixing effects on neutrinoless $\beta\beta$-decay nuclear matrix elements
Kosuke Nomura
https://arxiv.org/abs/2508.20323 https://arxiv.org/pd…

Configuration mixing effects on neutrinoless $ββ$-decay nuclear matrix elements
Mixing and coexistence of intrinsic nuclear shapes play an important role to determine the low-energy structure of heavy nuclei, and are expected to affect nuclear matrix elements (NMEs) of neutrinoless double beta ($0νββ$) decay. This problem is addressed in the interacting boson model with configuration mixing that is formulated by using the nuclear energy density functional theory. It is shown that significant amounts of mixing of normal and deformed intruder configurations are present in…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Electromagnetic Radiation from High-Energy Nuclear Collisions
Charles Gale
ht…

Cascading nuclear excitation of \(^{235}\text{U}\) via inelastic electron scattering in laser-irradiated clusters
Qiong Xiao, Yangyang Xu, Junhao Cheng, Liangqi Zhang, Wenyu Zhang, Yongsheng Huang, Tongpu Yu
https://arxiv.org/abs/2508.18336

Cascading nuclear excitation of \(^{235}\text{U}\) via inelastic electron scattering in laser-irradiated clusters
Nuclear excitation induced by lasers holds broad application prospects in precision metrology and nuclear energy, such as nuclear batteries and nuclear clocks. In the present work, the nuclear excitation via inelastic electron scattering (NEIES) mechanism in \(^{235}\text{U}\) is investigated by combining the Dirac-Hartree-Fock-Slater method for theoretical calculations with 2D3V particle-in-cell (PIC) simulations for numerical modeling. The excitation cross-sections of \(^{235}\text{U}\) from …

Exactness of the normal-ordered two-body truncation of three-nucleon forces
Maxwell Rothman, Ben Johnson-Toth, Francesca Bonaiti, Gaute Hagen, Matthias Heinz, Thomas Papenbrock
https://arxiv.org/abs/2508.01507

Exactness of the normal-ordered two-body truncation of three-nucleon forces
Reference-state based many-body methods start from Hamiltonians that are normal-ordered with respect to the reference state. In low-energy nuclear physics applications normal-ordered Hamiltonians consisting of two- and three-nucleon forces are usually truncated at the two-body rank with residual three-nucleon operators being discarded. Benchmark computations have showed that this truncation is accurate, but we lack an understanding about why it works. We show that the normal-ordered two-body tr…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Binding energy of $^{3}_{\Lambda}\rm{H}$ and $^{4}_{\Lambda}\rm{H}$ via image analyses of nuclear...
Ayumi Kasagi, et al.

Nuclear and neutron matter in the relativistic Brueckner-Hartree-Fock theory with next-to-leading order covariant chiral nuclear force
Wei-Jiang Zou, Yi-Long Yang, Jun-Xu Lu, Peng-Wei Zhao, Li-Sheng Geng, Jie Meng
https://arxiv.org/abs/2506.18519

Nuclear and neutron matter in the relativistic Brueckner-Hartree-Fock theory with next-to-leading order covariant chiral nuclear force
The symmetric nuclear matter and pure neutron matter are investigated by the relativistic Brueckner-Hartree-Fock (RBHF) theory with the covariant chiral nuclear forces up to the next-to-leading order~(NLO). A fitting scheme to ensure the naturalness of the low-energy constants is proposed, which plays a crucial role in the proper description of nuclear matter. With a momentum cutoff $Λ=590$ MeV, the empirical saturation energy and density, as well as the incompressibility coefficient at the sa…

Measurement of the branching ratio of $\mathrm{^{16}N}$, $\mathrm{^{15}C}$, $\mathrm{^{12}B}$, and $\mathrm{^{13}B}$ isotopes through the nuclear muon capture reaction in the Super-Kamiokande detector
Y. Maekawa, K. Abe, S. Abe, Y. Asaoka, M. Harada, Y. Hayato, K. Hiraide, K. Hosokawa, K. Ieki, M. Ikeda, J. Kameda, Y. Kanemura, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, M. Nakahata, S. Nakayama, Y. Noguchi, G. Pronost, K. Sato, H. Sekiya, K. Shimizu, R. Shinoda, M. Shiozawa, …

Measurement of the branching ratio of $\mathrm{^{16}N}$, $\mathrm{^{15}C}$, $\mathrm{^{12}B}$, and $\mathrm{^{13}B}$ isotopes through the nuclear muon capture reaction in the Super-Kamiokande detector
The Super-Kamiokande detector has measured solar neutrinos for more than $25$ years. The sensitivity for solar neutrino measurement is limited by the uncertainties of energy scale and background modeling. Decays of unstable isotopes with relatively long half-lives through nuclear muon capture, such as $\mathrm{^{16}N}$, $\mathrm{^{15}C}$, $\mathrm{^{12}B}$ and $\mathrm{^{13}B}$, are detected as background events for solar neutrino observations. In this study, we developed a method to form a pai…

Microscopic nuclear structure study of $^{229}$Th by Projected Shell Model
Zi-Rui Chen, Long-Jun Wang, Yuanbin Wu
https://arxiv.org/abs/2508.19686 https://…

Microscopic nuclear structure study of $^{229}$Th by Projected Shell Model
$^{229}$Th, a crucial candidate for nuclear clocks and many other applications, is a typical heavy nucleus with an extremely low-energy isomeric state $^{229m}$Th. A detailed study of the nuclear structure of $^{229}$Th is performed here by the microscopic model of state-of-the-art projected shell model. Our calculation describes well low-energy levels of $^{229}$Th, and provides a reduced transition probability $B(M1)$ of $0.0240$ W.u. for the isomeric transition which agrees well with the rad…

Measurement of the isoscalar giant monopole resonance in $^{86}$Kr via deuteron inelastic scattering using an active target CAT-M
Fumitaka Endo, Shinsuke Ota, Masanori Dozono, Reiko Kojima, Jiawei Cai, Stefano Fracassetti, Shutaro Hanai, Tomoya Harada, Seiya Hayakawa, Yuto Hijikata, Nobuaki Imai, Tadaaki Isobe, Keita Kawata, Jiatai Li, Shin'ichiro Michimasa, Riccardo Raabe, Akane Sakaue, Susumu Shimoura, Daisuke Suzuki, Eiichi Takada, Tomohiro Uesaka, Rin Yokoyama, Juzo Zenihiro, N…

Measurement of the isoscalar giant monopole resonance in $^{86}$Kr via deuteron inelastic scattering using an active target CAT-M
Deuteron inelastic scattering on $^{86}$Kr was measured in inverse kinematics with the gaseous active target CAT-M, as part of a systematic investigation aimed at determining the nuclear matter incompressibility. The isoscalar monopole strength distribution was extracted via multipole decomposition analysis, and the energy of the isoscalar giant monopole resonance was determined to be 17 $\pm$ 1 MeV. The nuclear incompressibility of $^{86}$Kr and the isospin-dependent term of the nuclear matter…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Bottom quark energy loss and hadronization with B$^ $ and B$^0_\mathrm{s}$ nuclear modification f...
CMS Collaboration

Mapped $spdf$ interacting boson model for quadrupole-octupole collective states in nuclei
K. Nomura
https://arxiv.org/abs/2507.23282 https://arxiv.org/pdf/…

Mapped $spdf$ interacting boson model for quadrupole-octupole collective states in nuclei
Dipole bosons are introduced in the interacting boson model (IBM) by means of the self-consistent mean-field method. The constrained mean-field calculations employing a given nuclear energy density functional yield the potential energy surfaces in terms of the axially-symmetric quadrupole-octupole, dipole-quadrupole, and dipole-octupole deformations. By mapping these energy surfaces onto the expectation values of the IBM Hamiltonian in the coherent state of the interacting $s$, $p$, $d$, and $f…

Replaced article(s) found for nucl-ex. https://arxiv.org/list/nucl-ex/new
[1/1]:
- Neutrinoless $\beta\beta$ decay in the interacting boson model based on the nuclear energy densit...
Kosuke Nomura

Microscopic pairing in fission dynamics
A. Zdeb, A. Baran, S. A. Giuliani, L. M. Robledo, M. Warda
https://arxiv.org/abs/2507.00664 https://

Microscopic pairing in fission dynamics
Nuclear fission can be modelled as a quantum tunneling process driven by the interplay between the nuclear binding energy and the collective inertia. Within the Wentzel-Kramers-Brillouin formalism, spontaneous fission half-lives can be obtained by minimizing the action integral in the multidimensional space of collective degrees of freedom. Hence, including the relevant collective variables is crucial for properly describing spontaneous fission probabilities. Pairing correlations play an essent…

Constraining neutron-proton effective mass splitting through nuclear giant dipole resonance within transport approach
Yi-Dan Song, Min-Si Luo, Rui Wang, Zhen Zhang, Yu-Gang Ma
https://arxiv.org/abs/2507.21880

Constraining neutron-proton effective mass splitting through nuclear giant dipole resonance within transport approach
Based on the Boltzmann-Uehling-Uhlenbeck equation, we investigate the effects of the isovector nucleon effective mass $m^*_{v,0}$ and the in-medium nucleon-nucleon cross section $σ^*$ on the isovector giant dipole resonance~(IVGDR) in $^{208}{\rm Pb}$, employing a set of representative Skyrme energy density functionals. We find that the energy-weighted sum rule $m_1$ of the IVGDR is highly sensitive to $m^{*}_{v,0}$ and only mildly dependent on $σ^*$, while the width $Γ$ of the IVGDR is prim…

HFBTHO-AD: Differentiation of a nuclear energy density functional code
Laurent Hasco\"et, Matt Menickelly, Sri Hari Krishna Narayanan, Jared O'Neal, Nicolas Schunck, Stefan M. Wild
https://arxiv.org/abs/2508.11910

HFBTHO-AD: Differentiation of a nuclear energy density functional code
The HFBTHO code implements a nuclear energy density functional solver to model the structure of atomic nuclei. HFBTHO has previously been used to calibrate energy functionals and perform sensitivity analysis by using derivative-free methods. To enable derivative-based optimization and uncertainty quantification approaches, we must compute the derivatives of HFBTHO outputs with respect to the parameters of the energy functional, which are a subset of all input parameters of the code. We use the …