Tootfinder

Predictions of Neutrino Fluxes at the Forward Physics Facility at the High-Luminosity LHC
Dennis Soldin, Isabella Coronado, Elijah Waters, Felix Kling
https://arxiv.org/abs/2509.15426

Predictions of Neutrino Fluxes at the Forward Physics Facility at the High-Luminosity LHC
High-energy collisions at the Large Hadron Collider (LHC) have traditionally focused on particle production at small pseudorapidities. However, to further utilize the valuable data from particles produced at the ATLAS interaction point along the beamline, the proposed Forward Physics Facility (FPF) aims to study particle production in the far-forward region at the high-luminosity LHC. The FPF will house a suite of experiments with the ability of enhancing hadronic interaction models by measurem…

Minimum and maximum mass-luminosity relations for stripped stars
Gautham N. Sabhahit, Jorick S. Vink, Andreas A. C. Sander, Varsha Ramachandran
https://arxiv.org/abs/2508.14161 …

Minimum and maximum mass-luminosity relations for stripped stars
Envelope stripping, whether through single-star wind mass loss or binary mass transfer, is a key evolutionary pathway for the formation of classical Wolf-Rayet stars and lower-mass stripped helium (He) stars. However, to study the evolution of these objects into black holes, neutron stars, and stripped-envelope supernovae, we need appropriate input models for the core-He burning phase without relying on the uncertain evolution into this evolved phase. Reliable mass-luminosity relations (MLRs) f…

A linear PDF model for Bayesian inference
Mark N. Costantini, Luca Mantani, James M. Moore, Maria Ubiali
https://arxiv.org/abs/2507.16913 https://

A linear PDF model for Bayesian inference
A robust uncertainty estimate in global analyses of Parton Distribution Functions (PDFs) is essential at the Large Hadron Collider (LHC), especially in view of the high-precision data anticipated by experimentalists in the High-Luminosity phase of the LHC. A Bayesian framework to determine PDFs provides a rigorous treatment of uncertainties and full control on the prior, though its practical implementation can be computationally demanding. To address these challenges, we introduce a novel appro…

Quantifying the Impact of 2D and 3D BAO Measurements on the Cosmic Distance Duality Relation with HII Galaxy observation
Jie Zheng (HNAS), Da-Chun Qiang (HNAS), Zhi-Qiang You (HNAS), Darshan Kumar (HNAS)
https://arxiv.org/abs/2507.17113

Quantifying the Impact of 2D and 3D BAO Measurements on the Cosmic Distance Duality Relation with HII Galaxy observation
The cosmic distance duality relation (CDDR) is a fundamental and practical condition in observational cosmology that connects the luminosity distance and angular diameter distance. Testing its validity offers a powerful tool to probe new physics beyond the standard cosmological model. In this work, for the first time, we present a novel consistency test of CDDR by combining HII galaxy data with a comprehensive set of Baryon Acoustic Oscillations (BAO) measurements. The BAO measurements include …

X-SHYNE: X-Shooter spectra of young exoplanet analogs II. Presentation and analysis of the full library
Simon Petrus, Ga\"el Chauvin, Micka\"el Bonnefoy, Pascal Tremblin, Caroline Morley, Benjamin Charnay, Genaro Suarez, Jonathan Gagn\'e, Paulina Palma-Bifani, Allan Denis, Matthieu Ravet, Amelia Bayo, Bruno B\'ezard, Beth Biller, Philippe Delorme, Jacqueline Faherty, Jayesh M. Goyal, Kielan Hoch, Kevin Hoy, James S Jenkins, Anne-Marie Lagrange, Baptiste Lavie, Michael…

X-SHYNE: X-Shooter spectra of young exoplanet analogs II. Presentation and analysis of the full library
The X-SHYNE library is a homogeneous sample of 43 medium-resolution (R=8000) infrared (0.3-2.5um) spectra of young (<500Myr), low-mass (<20Mjup), and cold (Teff=600-2000K) isolated brown dwarfs and wide-separation companions observed with the VLT/X-Shooter instrument. To characterize our targets, we performed a global comparative analysis. We first applied a semi-empirical approach. By refining their age and bolometric luminosity, we derived key atmospheric and physical properties, such as Teff…

SEDust: A Pipeline for Deriving Best-Fit Spectral Energy Distributions from DUSTY Outputs
Hamidreza Mahani, Atefeh Javadi
https://arxiv.org/abs/2509.18795 https://

Neutron irradiation damage on Silicon Photomultipliers and electrical annealing studies for the CBM RICH detector
Jes\'us Pe\~na-Rodr\'iguez, J\"org F\"ortsch, Christian Pauly, Karl-Heinz Kampert
https://arxiv.org/abs/2509.18838

Pair luminosity and cooling of newborn strange star I. Noninteracting quarks
Mikalai Prakapenia, Gregory Vereshchagin
https://arxiv.org/abs/2509.16089 https://

X-ray emission of F-type stars and its analogy with G-type stars
Takuma Shimura, Ikuyuki Mitsuishi, Masanobu Kunitomo, Shinsuke Takasao, Yuki A. Tanaka, Koki Sakuta
https://arxiv.org/abs/2509.18677

Mitigating Random-Phase Sampling Noise in the Cepheid Period-Luminosity Relation: A Cross-Filter Consistency Approach
Mahdi Abdollahi, Atefeh Javadi, Barry F. Madore, Wendy L. Freedman, Hamidreza Mahani
https://arxiv.org/abs/2509.10901

Mitigating Random-Phase Sampling Noise in the Cepheid Period-Luminosity Relation: A Cross-Filter Consistency Approach
The Period-Luminosity (PL) relation is usually derived using time-averaged magnitudes, which require multiple-epoch observations to determine periods and adequately sample the light curves. Although single-epoch observations are more practical and require significantly less observational effort, they inherently introduce greater photometric scatter, leading to an increased dispersion in the derived Period-Luminosity relations. In this paper, we explore, in detail, a method that transforms singl…

Measurement of the $W \to \mu \nu_\mu$ cross-sections as a function of the muon transverse momentum in $pp$ collisions at 5.02 TeV
LHCb collaboration, et al.
https://arxiv.org/abs/2509.18817

Test results of the LQXFA/B02 and LQXFA/B03 cryo-assemblies for the High Luminosity LHC upgrade
G. Chlachidze, G. Ambrosio, M. Anerella, G. Apollinari, M. Baldini, J. DiMarco, S. Feher, P. Ferracin, V. Nikolic, F. Nobrega, C. Orozco, D. Orris, S. Prestemon, R. Rabehl, S. Stoynev, A. Vouris
https://arxiv.org/abs/2509.14369

Test results of the LQXFA/B02 and LQXFA/B03 cryo-assemblies for the High Luminosity LHC upgrade
The US High-Luminosity LHC Accelerator Upgrade Project (AUP) is responsible for delivering cryo-assemblies for the Q1/Q3 quadrupole optical components of the High Luminosity LHC upgrade at CERN. Total of 10 cryo-assemblies containing two Nb3Sn quadrupole magnets per cold mass will be delivered within this program. After the successful test of the first pre-series cryo-assembly in 2023, two more cryo-assemblies were tested at Fermilab's horizontal test facility. Production overview and the test …

Radiation Hydrodynamic Simulations of Low-Energy Explosions of Red and Yellow Supergiants
Andrea Antoni, Yan-Fei Jiang, Eliot Quataert
https://arxiv.org/abs/2509.16308 https://

Radiation Hydrodynamic Simulations of Low-Energy Explosions of Red and Yellow Supergiants
A variety of physical processes leads to the low-energy ejection of material from the hydrogen-rich envelopes of red and yellow supergiants. These include common envelope events, stellar mergers, eruptive mass loss, and failed supernovae. These events may appear as luminous red novae, intermediate luminosity red transients, supernova imposters, or other transients with similar lightcurves and colors that are followed by the disappearance of the progenitor star (e.g. failed supernovae). The Vera…

Supernova Rates and Luminosity Functions from ASAS-SN II: 2014-2017 core-collapse supernovae and their subtypes
T. Pessi, D. D. Desai, J. L. Prieto, C. S. Kochanek, B. J. Shappee, J. P. Anderson, J. F. Beacom, Subo Dong, K. Z. Stanek, T. A. Thompson
https://arxiv.org/abs/2508.10985

Supernova Rates and Luminosity Functions from ASAS-SN II: 2014-2017 core-collapse supernovae and their subtypes
The volumetric rates and luminosity functions (LFs) of core-collapse supernovae (ccSN) and their subtypes are important for understanding the cosmic history of star formation and the buildup of ccSN products. To estimate these rates, we use data of nearby ccSNe discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN) from 2014--2017, when all observations were made in the $V$-band. The sample is composed of 174 discovered or recovered events, with high spectroscopic completeness from…

A search for electroweak $t\bar{t}Wj$ production in multileptonic final states at $\sqrt{s} = 13$ TeV with the ATLAS detector and bounds on effective field theory operators
ATLAS Collaboration
https://arxiv.org/abs/2509.19038

Using gravitational wave dark sirens to choose between host galaxy weighting models
Zhuotao Li, Rachel Gray, Ik Siong Heng
https://arxiv.org/abs/2508.15574 https://

Using gravitational wave dark sirens to choose between host galaxy weighting models
Binary black hole (BBH) mergers,, an important source of gravitational-waves(GWs), are assumed to be hosted in galaxies. The probability of a galaxy to host a BBH is related to its properties, for example stellar mass and star formation rate. These properties can be estimated from observables, such as the luminosity in certain observation bands. We refer to this description of host galaxy properties as host galaxy weighting models. However, the host galaxy weighting model for BBHs has yet to be…

Evolution of the infrared luminosity function and its corresponding dust-obscured star formation rate density out to z~6
M. P. Koprowski, J. V. Wijesekera, J. S. Dunlop, K. Lisiecki, D. J. McLeod, R. J. McLure, M. J. Micha{\l}owski, M. Solar
https://arxiv.org/abs/2509.12922

Evolution of the infrared luminosity function and its corresponding dust-obscured star formation rate density out to z~6
We present a new determination of the evolving far-infrared galaxy luminosity function (FIR LF) and the resulting inferred evolution of dust-obscured star-formation rate density (SFRD) out to redshift z~6. To establish the evolving co-moving number density of FIR-bright objects, we make use of the high-resolution ALMA follow-up study (AS2UDS), of the JCMT SCUBA-2 Cosmology Legacy Survey (S2CLS) sub-mm imaging in the UKIDSS UDS survey field. In order to estimate the contributions of faint/low-ma…

A Comprehensive Framework for F-statistic-based Parameter Estimation of Binary Black Hole Signals
Hai-Tian Wang
https://arxiv.org/abs/2509.14849 https://ar…

A Comprehensive Framework for F-statistic-based Parameter Estimation of Binary Black Hole Signals
We present a comprehensive investigation of the F-statistic method for parameter estimation of gravitational wave (GW) signals from binary black hole mergers. By analytically maximizing the likelihood over the luminosity distance and polarization angle, this approach reduces the dimensionality of the parameter space to enhance computational efficiency. We also introduce a novel formulation for calculating the Bayes factor for the F-statistic, enabling a quantitative assessment of its performanc…

Quark-Gluon tagging performance at the High-Luminosity LHC using constituent-based transformer models
F. L. Castillo, J Lev\^eque
https://arxiv.org/abs/2509.14759 https://

Quark-Gluon tagging performance at the High-Luminosity LHC using constituent-based transformer models
Jet constituents provide a more detailed description of a jet's radiation pattern than global observables. In simulations for ATLAS Run-2 data (2015-2018), transformer-based taggers trained on low-level inputs outperformed traditional methods using high-level variables with conventional neural networks for quark-gluon discrimination. With the upcoming High-Luminosity LHC (HL-LHC), which will deliver higher luminosity and energy, the ATLAS detector will be upgraded with an extended Inner Tracker…

The 21cm-galaxy cross-correlation: Realistic forecast for 21cm signal detection and reionisation constraints
Anne Hutter, Caroline Heneka
https://arxiv.org/abs/2509.15906 https:…

The 21cm-galaxy cross-correlation: Realistic forecast for 21cm signal detection and reionisation constraints
21cm-galaxy cross-correlation will play a key role in confirming the cosmological 21cm signal. We investigate which survey configurations detect the 21cm-LAE cross-correlation signal, and assess its ability to distinguish reionisation scenarios. Our pipeline computes observational uncertainties for the 21cm-galaxy cross-power spectrum, accounting for key survey parameters: the field of view (FoV), limiting luminosity of galaxy surveys $L_α$, redshift uncertainty $σ_z$, and 21cm foreground wed…

Prospects for $P$ and $C\!P$ violation in $\Lambda_{c}^{ }$ decays with polarized beam at Super Tau-Charm Facility
Hong-Jian Wang, Cheng Wang, Hao Sun, Pei-Rong Li, Xiao-Rui Lyu, Rong-Gang Ping
https://arxiv.org/abs/2508.12217

Prospects for $P$ and $C\!P$ violation in $Λ_{c}^{+}$ decays with polarized beam at Super Tau-Charm Facility
Weak decays of the charmed baryons offer an ideal platform to study parity ($P$) and charge conjugation-parity ($C\!P$) violation in quark sector, to stringently test the Standard Model and search for new physics. It is a key goal in the next-generation positron-electron collider, such as the Super Tau-Charm Facility (STCF). Thanks to the quantum-entangled pair production with super high luminosity and the possibility of beam polarization, STCF provides a unique environment to probe such symmet…

A constant upper luminosity limit of cool supergiant stars down to the extremely low metallicity of I Zw 18
Abel Schootemeijer, Ylva G\"otberg, Norbert Langer, Giacomo Bortolini, Alec S. Hirschauer, Lee Patrick
https://arxiv.org/abs/2510.12594

A constant upper luminosity limit of cool supergiant stars down to the extremely low metallicity of I Zw 18
Stellar wind mass loss is often assumed to depend on their metallicity $Z$. Therefore, evolutionary models of massive stars at lower $Z$ are able to retain more of their H-rich layers and evolve into brighter cool supergiants (cool SGs; $T_\mathrm{eff} < 7$ kK). Surprisingly, in galaxies in the range $0.2 \lesssim Z / Z_\odot \lesssim 1.5$ previous studies did not find a $Z$-dependence of the upper luminosity limit $L_\mathrm{max}$ of cool SGs. Here, we study four extra galaxies with HST and JW…

Evidence for an intrinsic luminosity-decay correlation in GRB radio afterglows
S. P. R. Shilling, S. R. Oates, D. A. Kann, J. Patel, J. L. Racusin, B. Cenko, R. Gupta, M. Smith, L. Rhodes, K. R. Hinds, M. Nicholl, A. Breeveld, M. Page, M. De Pasquale, B. Gompertz
https://arxiv.org/abs/2508.07276

Evidence for an intrinsic luminosity-decay correlation in GRB radio afterglows
We present the discovery of a correlation, in a sample of 16 gamma-ray burst 8.5 GHz radio afterglows, between the intrinsic luminosity measured at 10 days in the rest frame, $L_{\mathrm{Radio,10d}}$, and the average rate of decay past this time, $α_{>10d}$. The correlation has a Spearman's rank coefficient of $-0.70 \pm 0.13$ at a significance of $>3σ$ and a linear regression fit of $α_{>10d} = -0.29^{+0.19}_{-0.28} \log \left(L_{\mathrm{Radio,10d}} \right) + 8.12^{+8.86}_{-5.88}$. This fin…

Halo Occupation Distribution of Quasars: Dependence on Luminosity, Redshift, Black Hole Mass and Feedback Modes
Anirban Chowdhary, Suchetana Chatterjee
https://arxiv.org/abs/2508.08851

Halo Occupation Distribution of Quasars: Dependence on Luminosity, Redshift, Black Hole Mass and Feedback Modes
We use cosmological hydrodynamic simulations (IllustrisTNG and SIMBA) to explore the redshift, luminosity, and black hole mass dependence of the quasar halo occupation distribution (HOD). In both simulations, we find that the quasar activity is quenched at a characteristic halo mass ($\sim 10^{13} M_{\odot}$) scale affecting the nature of its occupation distribution function. We note that the quenching is more pronounced at low redshifts for quasars selected through a luminosity threshold. We s…

JEDI-linear: Fast and Efficient Graph Neural Networks for Jet Tagging on FPGAs
Zhiqiang Que, Chang Sun, Sudarshan Paramesvaran, Emyr Clement, Katerina Karakoulaki, Christopher Brown, Lauri Laatu, Arianna Cox, Alexander Tapper, Wayne Luk, Maria Spiropulu
https://arxiv.org/abs/2508.15468

JEDI-linear: Fast and Efficient Graph Neural Networks for Jet Tagging on FPGAs
Graph Neural Networks (GNNs), particularly Interaction Networks (INs), have shown exceptional performance for jet tagging at the CERN High-Luminosity Large Hadron Collider (HL-LHC). However, their computational complexity and irregular memory access patterns pose significant challenges for deployment on FPGAs in hardware trigger systems, where strict latency and resource constraints apply. In this work, we propose JEDI-linear, a novel GNN architecture with linear computational complexity that e…

Shadows and amplitude luminosity of an embedded rotating black hole
Abraao J. S. Capistrano, Antonio C. Gutierrez-Pineres, Carlos H. Coimbra-Araujo
https://arxiv.org/abs/2510.07476

Shadows and amplitude luminosity of an embedded rotating black hole
We investigate a rotating black hole embedded in a five-dimensional flat bulk by extending the Kerr metric through the Gurses-Gursey line element. Employing Boyer-Lindquist coordinates, we reinterpret the black hole as a charged-like object in five dimensions and analyze its horizon structure and shadow morphology. Our results reveal that the shadow is shaped by an axially symmetric gravitational field modulated by an extrinsic curvature term arising from the higher-dimensional embedding. Simul…

The dependence of the Type Ia Supernova colour-luminosity relation on their host galaxy properties
S. Ramaiya, M. Vincenzi, M. J. Jarvis, P. Wiseman, M. Sullivan
https://arxiv.org/abs/2509.12035

The dependence of the Type Ia Supernova colour-luminosity relation on their host galaxy properties
Using the Dark Energy Survey 5-year sample, we determine the properties of type Ia supernova (SN Ia) host galaxies across a wide multi-wavelength range - from the optical to far-infrared - including data from the $Herschel$ and $Spitzer$ space telescopes. We categorise the SNe Ia into three distinct groups according to the distribution of their host galaxies on the star-formation rate (SFR) - stellar mass ($M_\star$) plane. Each region comprises host galaxies at distinct stages in their evoluti…

New theoretical predictions on Type II Cepheids: towards a self consistent Pop. II distance scale
Marcella Marconi, Roberto Molinaro, Vincenzo Ripepi, Giulia De Somma, Teresa Sicignano, Mami Deka, Marcella Di Criscienzo, Emanuela Luongo, Ilaria Musella, Erasmo Trentin
https://arxiv.org/abs/2509.13552…

New theoretical predictions on Type II Cepheids: towards a self consistent Pop. II distance scale
Type II Cepheids are pulsating stars that can be used as standard candles for old stellar populations due to their characteristic Period-Luminosity and Period-Luminosity-Colour relations. They are traditionally divided in 3 sub-classes, namely BL Her, W Vir and RV Tauri. In this paper we focus on the first two sub-classes, to provide a new theoretical scenario and develop tools and relations to be adopted in distance scale and old stellar populations studies. We have built new nonlinear convect…

Observation of $B_c^ \to D h^ h^-$ decays
LHCb collaboration, et al.
https://arxiv.org/abs/2509.15873 https://arxiv.org/pdf/2509.15873

Observation of $B_c^+ \to D h^+ h^-$ decays
Searches are presented for $B_{c}^{+} \to D h^+ h^-$ decays, where $D$ is a charmed meson and $h^{\pm}$ is a charged pion or kaon, using $pp$ collision data collected by the LHCb experiment corresponding to an integrated luminosity of $9~\text{fb}^{-1}$. The decays $B_c^+\to D^+ K^+π^-$, $B_c^+\to D^{*+} K^+π^-$ and $B_c^+\to D_s^+ K^+ K^-$ are observed for the first time. Their branching fractions, expressed as ratios relative to that of the $B_c^+\to B_s^0π^+$ decay, are determined to be \…

The Gamma-ray Luminosity Function of Flat-Spectrum Radio Quasars
Garima Rajguru, Lea Marcotulli, Marco Ajello, Mattia Di Mauro, Meg Urry
https://arxiv.org/abs/2510.05515 https:/…

The Gamma-ray Luminosity Function of Flat-Spectrum Radio Quasars
We have utilized the largest sample of $γ$-ray selected Fermi flat-spectrum radio quasars (FSRQs) ever used (519 sources) to construct the luminosity function and its evolution through the cosmic history. In addition to spanning large redshift ($0

Thermal Cycling Reliability of Hybrid Pixel Sensor Modules for The ATLAS High Granularity Timing Detector
Y. Li, A. Aboulhorma, M. Ait Tamlihat, H. M. Alfanda, N. Atanov, O. Atanova, I. Azzouzi, J. Barreiro Guimar\~aes Da Costa, T. Beau, D. Benchekroun, F. Bendebba, Y. Bimgdi, A. Blot, A. Boikov, J. Bonis, D. Boumediene, C. Brito, A. S. Brogna, A. M. Burger, L. Cadamuro, Y. Cai, N. Cartalade, R. Casanova Mohr, Y. Che, X. Chen, R. Cherkaoui El Moursli, E. Y. S. Chow, L. D. Corpe, C. G. …

Thermal Cycling Reliability of Hybrid Pixel Sensor Modules for The ATLAS High Granularity Timing Detector
The reliability of bump connection structures has become a critical aspect of future silicon detectors for particle physics. The High Granularity Timing Detector (HGTD) for the ATLAS experiment at the High-Luminosity Large Hadron Collider will require 8032 hybrid pixel sensor modules, composed of two Low Gain Avalanche Diode sensors bump-bonded to two readout ASICs and glued to a passive PCB. The detector will operate at low temperature (-30 degrees Celsius) to mitigate the impact of irradiatio…

Time-dependent response of protoplanetary disk temperature to an FU Ori-type luminosity outburst
S. I. Laznevoi, V. V. Akimkin, Ya. N. Pavlyuchenkov, V. B. Il'in, \'A. K\'osp\'al, P. \'Abrah\'am
https://arxiv.org/abs/2508.04686

Time-dependent response of protoplanetary disk temperature to an FU Ori-type luminosity outburst
Context. The most prominent cases of young star variability are accretion outbursts in FU Ori-type systems. The high power of such outbursts causes dramatic changes in the physical and chemical structure of a surrounding protoplanetary disk. As characteristic thermal timescales in the disk are comparable to the duration of the outburst, the response of its thermal structure is inherently time dependent. Aims. We analyzed how the disk thermal structure evolves under the substantial-yet transie…

First evidence of $CP$ violation in beauty baryon to charmonium decays
LHCb collaboration, et al.
https://arxiv.org/abs/2509.16103 https://arxiv.org/pdf/25…

First evidence of $CP$ violation in beauty baryon to charmonium decays
A study of the difference in the $CP$ asymmetries between $Λ^0_b \rightarrow J / ψp π^-$ and $Λ^0_b \rightarrow J / ψp K^-$ decays, $Δ{\cal A}_{CP}$, is performed using proton-proton collision data collected by the LHCb experiment in the years 2015--2018, corresponding to an integrated luminosity of $6 {\rm fb}^{-1}$. This quantity is measured to be $ Δ{\cal A}_{CP}=(4.03\pm 1.18\pm 0.23)\%$, where the first uncertainty is statistical and the second is systematic. When combined with the …

Physical properties of galaxies and the UV Luminosity Function from $z\sim6$ to $z\sim14$ in COSMOS-Web
Maximilien Franco, Caitlin M. Casey, Hollis B. Akins, Olivier Ilbert, Marko Shuntov, Steven L. Finkelstein, Louise Paquereau, Andreas L. Faisst, Anton M. Koekemoer, Michaela Hirschmann, Sebastiano Cantarella, Nicole E. Drakos, Stephen M. Wilkins, Henry Joy McCracken, Jeyhan S. Kartaltepe, Claudia Maraston, Fatemeh Abedini, Mark J. Achenbach, Rafael C. Arango-Toro, Fabrizio Gentile, G…

Physical properties of galaxies and the UV Luminosity Function from $z\sim6$ to $z\sim14$ in COSMOS-Web
We present measurements of the rest-frame ultraviolet luminosity function (UVLF) in three redshift bins over $z\sim5.5$-14 from the JWST COSMOS-Web survey. Our samples, selected using the dropout technique in the HST/ACS F814W, JWST/NIRCam F115W, and F150W filters, contain a total of 3099 galaxies spanning a wide luminosity range from faint ($M_{\rm UV}\sim-19$ mag) to bright ($M_{\rm UV}\sim-22.5$ mag). The galaxies are undergoing rapid star formation, with blue stellar populations. Surprising…

Cooling of quark stars from perturbative QCD
\'Ursula Fonseca, Eduardo S. Fraga
https://arxiv.org/abs/2508.11056 https://arxiv.org/pdf/2508.11056

Cooling of quark stars from perturbative QCD
We investigate the thermal evolution of quark stars with and without a hadronic crust using an equation of state derived from perturbative QCD that incorporates the running of the strong coupling and the strange quark mass. Our analysis reveals that bare quark stars cool too rapidly to match the luminosity data, including those of the coldest observed isolated neutron stars, even when the uncertainty from the renormalization scale is taken into account. In contrast, configurations featuring a h…

SN 2022xlp: The second-known well-observed, intermediate-luminosity Iax supernova
D. B\'anhidi, B. Barna, T. Szalai, J. Vink\'o, I. B. B\'ir\'o, K. A. Bostroem, I. Cs\'anyi, K. W. Davis, R. J. Foley, L. Galbany, S. W. Jha, D. A. Howell, L. A. Kwok, A. P\'al, C. Pellegrino, C. Rojas-Bravo, P. Sz\'ekely, K. Taggart, G. Terreran, S. Tinyanont

SN 2022xlp: The second-known well-observed, intermediate-luminosity Iax supernova
We present a detailed analysis of type Iax supernova SN 2022xlp. With a V-band absolute magnitude light curve peaking at $M_{max}(V) = -16.04 \pm 0.25$ mag, this object is regarded as the second determined well-observed Iax supernova in the intermediate luminosity range after SN 2019muj. Our research aims to explore the question of whether the physical properties vary continuously across the entire luminosity range. We also investigate the chemical abundance profiles and the characteristic phys…

Search for a Higgs boson produced in association with a charm quark and decaying to a W boson pair in proton-proton collisions at $\sqrt{s}$ = 13 TeV
CMS Collaboration
https://arxiv.org/abs/2508.14988 …

Search for a Higgs boson produced in association with a charm quark and decaying to a W boson pair in proton-proton collisions at $\sqrt{s}$ = 13 TeV
This paper presents a search for a Higgs boson produced in association with a charm quark (cH) which allows to probe the Higgs-charm Yukawa coupling strength modifier $κ_\mathrm{c}$. Higgs boson decays to a pair of W bosons are considered, where one W boson decays to an electron and a neutrino, and the other \PW boson decays to a muon and a neutrino. The data, corresponding to an integrated luminosity of 138 fb$^{-1}$, were collected between 2016 and 2018 with the CMS detector at the LHC at a …

Accretion Disk Luminosity and Topological Characteristics for a Schwarzschild Black Hole Surrounded by King Dark Matter Halo
Soroush Zare, Farokhnaz Hosseinifar, Luis Miguel Nieto, Dhruba Jyoti Gogoi, Kuantay Boshkayev, Ainur Urazalina, Hassan Hassanabadi
https://arxiv.org/abs/2510.03925

Accretion Disk Luminosity and Topological Characteristics for a Schwarzschild Black Hole Surrounded by King Dark Matter Halo
This study delves into the intricate properties of a Schwarzschild black hole enveloped by King dark matter in an isotropic configuration. The thermodynamic characteristics of this black hole are meticulously analyzed, and the dynamics of massive and massless particles in its vicinity are investigated. In examining the trajectories of massless particles, the shadow cast in the presence of King dark matter is explored, revealing virtual ranges for the corresponding parameters. For the dynamics o…

The New Status Qvo? SN 2021qvo is Another 2003fg-like Type Ia Supernova with a Rising Light-Curve Bump
I. A. Abreu Paniagua, W. B. Hoogendam, D. O. Jones, G. Dimitriadis, R. J. Foley, C. Gall, J. O'Brien, K. Taggart, C. R. Angus, K. Auchettl, D. A. Coulter, K. W. Davis, T. de Boer, A. Do, H. Gao, L. Izzo, C. -C. Lin, T. B. Lowe, Z. Lai, R. Kaur, M. Y. Kong, A. Rest, M. R. Siebert, S. K. Yadavalli, Y. Zenati, Q. Wang

The New Status Qvo? SN 2021qvo is Another 2003fg-like Type Ia Supernova with a Rising Light-Curve Bump
In recent years, multiple Type Ia supernovae (SNe Ia) have been observed with "bumps" in their rising light curves shortly after explosion. Here, we present SN 2021qvo: a SN Ia that exhibits a clear early bump in photometry obtained by the Young Supernova Experiment. Photometric and spectroscopic observations of SN 2021qvo show that it has a broader light curve, higher peak luminosity, shallower Si II $λ$5972 pseudo-equivalent width, and lower ejecta velocities than normal SNe Ia, which are al…

BASILISK III. Stress-testing the Conditional Luminosity Function model
Kaustav Mitra, Frank C. van den Bosch
https://arxiv.org/abs/2510.08421 https://arxiv…

BASILISK III. Stress-testing the Conditional Luminosity Function model
The Conditional Luminosity Function (CLF) is an effective and flexible way of characterizing the galaxy-halo connection. However, it is subject to a particular choice for its parametrization, which acts as a prior assumption. Most studies have been restricted to what has become a standard CLF parametrization with little to no variation. The goal of this paper is to investigate whether this model is sufficient to fully characterize the small-scale data extracted from spectroscopic surveys and to…

X-ray selected broad absorption line quasars in SDSS-V: BALs and non-BALs span the same range of X-ray properties
Pranavi Hiremath, Amy L. Rankine, James Aird, W. N. Brandt, Paola Rodr\'iguez Hidalgo, Scott F. Anderson, Catarina Aydar, Claudio Ricci, Donald P. Schneider, M. Vivek, Zsofi Igo, Sean Morrison, Mara Salvato
https://arxiv.or…

X-ray selected broad absorption line quasars in SDSS-V: BALs and non-BALs span the same range of X-ray properties
Broad absorption line (BAL) quasars are often considered X-ray weak relative to their optical/UV luminosity, whether intrinsically (i.e., the coronal emission is fainter) or due to large column densities of absorbing material. The SDSS-V is providing optical spectroscopy for samples of quasar candidates identified by eROSITA as well as Chandra, XMM or Swift, making the resulting datasets ideal for characterising the BAL quasar population within an X-ray selected sample. We use the Balnicity Ind…

A transition from H$_2$O to C$_2$H$_2$ dominated spectra with decreasing stellar luminosity
Sierra L. Grant, Milou Temmink, Ewine F. van Dishoeck, Danny Gasman, Aditya M. Arabhavi, Beno\^it Tabone, Thomas Henning, Inga Kamp, Alessio Caratti o Garatti, Valentin Christiaens, Pac\^ome Esteve, Manuel G\"udel, Hyerin Jang, Till Kaeufer, Nicolas T. Kurtovic, Maria Morales-Calder\'on, Giulia Perotti, Kamber Schwarz, Andrew D. Sellek, Lucas M. Stapper, Marissa Vlasblom, L. B. F. M. Wa…

A transition from H$_2$O to C$_2$H$_2$ dominated spectra with decreasing stellar luminosity
The chemical composition of the inner regions of disks around young stars will determine the properties of planets forming there. Many disk physical processes drive the chemical evolution, some of which depend on/correlate with the stellar properties. We aim to explore the connection between stellar properties and inner disk chemistry, using mid-infrared spectroscopy. We use JWST-MIRI observations of a large, diverse sample of sources to explore trends between C$_2$H$_2$ and H$_2$O. Additionall…

Observing Double Higgs Production at the LHC via Neutrino Feature Engineering in $hh\to b\bar{b}\ell\ell\nu\nu$
Alexandre Alves, Eduardo da Silva Almeida, Diego S. V. Gon\c{c}alves
https://arxiv.org/abs/2509.12450

Observing Double Higgs Production at the LHC via Neutrino Feature Engineering in $hh\to b\bar{b}\ell\ellνν$
Double Higgs production is challenging even at the High Luminosity LHC. The Standard Model (SM) $hh\to b\bar{b}WW(ZZ)\to b\bar{b}\ell\ellνν$ has a moderate cross section compared to other decay modes, but its backgrounds, mainly top quark pairs and Drell-Yan production, are overwhelming. In this work, we propose new kinematic features designed to improve the discrimination of double Higgs pairs, in the $b\bar{b}\ell\ellνν$ channel, with cut-based and multivariate analyses. The new features …

Hard X-ray view of two $\gamma$-ray detected low-luminosity active galactic nuclei: NGC 315 and NGC 4261
Yuwei Yu, Jin Zhang
https://arxiv.org/abs/2510.06810 https://

Hard X-ray view of two $γ$-ray detected low-luminosity active galactic nuclei: NGC 315 and NGC 4261
Aims. The accretion disk of low-luminosity active galactic nuclei (LLAGNs) is a radiatively inefficient accretion flow (RIAF). Our goal is to find evidence of RIAF radiation from LLAGNs with jets and analyze their radiation properties, which also adds samples to future research on LLAGNs. Methods. Weconducted an analysis of the X-ray data obtained from NuSTAR and XMM-Newton observations of NGC 315 and NGC 4261, encompassing both timing and spectral investigations. The joint X-ray spectra of the…

First galaxy ultraviolet luminosity function limits on dark matter-proton scattering
Hovav Lazare, Ely D. Kovetz, Kimberly K. Boddy, Julian B. Munoz
https://arxiv.org/abs/2510.10757

First galaxy ultraviolet luminosity function limits on dark matter-proton scattering
Scattering between dark matter (DM) and protons leads to suppressed small-scale fluctuations, with implications for a variety of cosmological observables. In this work, we search for evidence of DM-proton scattering with an interaction cross section $σ\!=\!σ_0 (\frac{v}{c})^n$ for $n=0,2$ and $4$, corresponding e.g. to velocity-independent contact interactions from heavy mediators, velocity-dependent pseudoscalar-mediated scattering, and higher-order dipole interactions, respectively, using h…

Scaling Relations of the Dusty Torus with Luminosity and the Broad-Line Region
Ashraf Ayubinia, Jong-Hak Woo, Shu Wang, Amit Kumar Mandal, Donghoon Son
https://arxiv.org/abs/2509.07878

Scaling Relations of the Dusty Torus with Luminosity and the Broad-Line Region
We measure and compare the size of the dusty torus with active galactic nucleus (AGN) luminosity and the size of the broad-line region (BLR), using a sample of 182 AGNs with the best H$β$ lag measurements. After correcting for accretion-disk contamination, torus sizes are determined from the time lags of the WISE W1 and W2 band light curves relative to the optical band variability based on the interpolated cross-correlation function (ICCF) analysis and the Multiple and Inhomogeneous Component …

Narrowing the discovery space of the cosmological 21-cm signal using multi-wavelength constraints
Jiten Dhandha, Anastasia Fialkov, Thomas Gessey-Jones, Harry T. J. Bevins, Sandro Tacchella, Simon Pochinda, Eloy de Lera Acedo, Saurabh Singh, Rennan Barkana
https://arxiv.org/abs/2508.13761

Narrowing the discovery space of the cosmological 21-cm signal using multi-wavelength constraints
The cosmic 21-cm signal is a promising probe of the early Universe, owing to its sensitivity to the thermal state of the neutral intergalactic medium (IGM) and properties of the first luminous sources. In this work, we constrain the 21-cm signal and infer IGM properties by leveraging multi-wavelength synergies. This builds on our earlier study, where we developed the synergy between high-redshift UV luminosity functions (UVLFs), cosmic X-ray and radio backgrounds (CXB and CRB), 21-cm global sig…

Search for the production of a Higgs boson in association with a single top quark in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
ATLAS Collaboration
https://arxiv.org/abs/2508.14695 …

Search for the production of a Higgs boson in association with a single top quark in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for the production of a Higgs boson in association with a single top quark, $tH$, is presented. The analysis uses proton--proton collision data corresponding to an integrated luminosity of $140\mathrm{fb}^{-1}$ at a centre-of-mass energy of $13$ TeV, collected by the ATLAS detector at the LHC. The search targets Higgs-boson decays into $b\bar{b}$, $WW^{*}$, $ZZ^{*}$, and $ττ$, accompanied by an isolated lepton (electron or muon) from the top-quark decay. Multivariate techniques are e…

On the protostellar mass-luminosity relation
Lee Hartmann, John J. Tobin, Patrick Sheehan, Marina Kounkel, Claire Zhao
https://arxiv.org/abs/2507.18728 https://

On the protostellar mass-luminosity relation
We present a preliminary view of the protostellar mass-luminosity relation using current samples of protostars with dynamical mass estimates. To provide a lower limit to the expected luminosities, we adopt an empirical estimate for the intrinsic (without accretion) protostellar luminosity and radius as a function of mass. We find that many of the protostars with current dynamical mass estimates track the empirical mass-luminosity "birthline" reasonably closely, suggesting that their accretion l…

The impact of pre-main sequence stellar luminosity on giant planet formation
Heather F. Johnston, Olja Pani\'c, Beibei Liu, Patryk Jankowski
https://arxiv.org/abs/2508.20291

The impact of pre-main sequence stellar luminosity on giant planet formation
Luminosities of pre-main sequence stars evolve during the protoplanetary disc lifetime. This has a significant impact on the heating of their surrounding protoplanetary disks, the natal environments of planets. Moreover, stars of different masses evolve differently. However, this is rarely accounted for in planet formation models. We carry out pebble-driven core accretion planet formation modelling with focus on the impact of pre-main sequence stellar luminosity evolution on giant planet format…

JWST COSMOS-3D: Spectroscopic Census and Luminosity Function of [O III] Emitters at 6.75<z<9.05 in COSMOS
Romain A. Meyer, Feige Wang, Koki Kakiichi, Gabe Brammer, Jackie Champagne, Katharina Jurk, Zihao Li, Zijian Li, Marat Musin, Sindhu Satyavolu, Jan-Torge Schindler, Marko Shuntov, Yi Xu, Siwei Zou, Fuyan Bian, Caitlin Casey, Eiichi Egami, Xiaohui Fan, Danyang Jiang, Nicolas Laporte, Weizhe Liu, Pascal Oesch, Lidia Tasca, Jinyi Yang, Zijian Zhang, Hollis Akins, Zheng Cai, Dave…

JWST COSMOS-3D: Spectroscopic Census and Luminosity Function of [O III] Emitters at 6.75
We present a spectroscopically-selected [OIII]+Hb emitters catalogue at 6.75