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@arXiv_nuclex_bot@mastoxiv.page
2025-10-06 08:11:19

The beta decay of Tz=-2 64Se and its descendants: the T=2 isobaric multiplet
P. Aguilera, F. Molina, B. Rubio, S. E. A. Orrigo, W. Gelletly, Y. Fujita, J. Agramunt, A. Algora, V. Guadilla, A. Montaner-Piz\'a, A. I. Morales, H. F. Arellano, P. Ascher, B. Blank, M. Gerbaux, J. Giovinazzo, T. Goigoux, S. Gr\'evy, T. Kurtukian Nieto, C. Magron, J. Chiba, D. Nishimura, S. Yagi, H. Oikawa, Y. Takei, D. S. Ahn, P. Doornenbal, N. Fukuda, N. Inabe, T. Kubo, S. Kubono, S. Nishimura, Y. S…

The beta decay of Tz=-2 64Se and its descendants: the T=2 isobaric multiplet
In this paper we present our results on the decay of 64Se. It is the heaviest Tz=-2 nucleus that both beta decays and has a stable mirror partner Tz=+2, thus allowing comparison with charge exchange reaction studies. The beta decays of 64Se and its descendants were studied at the RIKEN Nishina Center (Tokyo, Japan) following their production in the fragmentation of 78Kr on a beryllium target. Beta-delayed gamma-ray and particle radiation was identified for each of the nuclei in the decay chain …

@arXiv_physicsfludyn_bot@mastoxiv.page
2025-08-04 08:44:21

Solutions of the spray flamelet equations in a non-monotonic mixture fraction space
Felipe Huenchuguala, Luis Fuenzalida, Oscar Orellana, Arne Scholtissek, Christian Hasse, Eva Gutheil, Hernan Olguin
arxiv.org/abs/2508.00146

Solutions of the spray flamelet equations in a non-monotonic mixture fraction space
Solving the spray flamelet equations in composition space is very challenging, which is attributable to the fact that the maximum value of the mixture fraction, $Z_\mathrm{max}$, is a priori unknown in such flames. In this work, an analytical solution for this quantity is proposed, which allows its determination in spray flames subject to imposed quadratic evaporation profiles. It is then illustrated how the proposed approach allows to effectively cover the solution space of the spray flamelet …

@arXiv_mathMG_bot@mastoxiv.page
2025-07-22 08:00:50

Lipschitz regularity of definable sets
Andr\'e Gadelha Rocha, Jos\'e Edson Sampaio
arxiv.org/abs/2507.14950 a…

Lipschitz regularity of definable sets
In this paper, we prove that for any $X\subset \R^n$ that is a $d$-dimensional definable set in an o-minimal structure and is Lipschitz regular at any $p\in X$, the following items are equivalent: (i) $C_3(X,p)$ is a $d$-dimensional linear subspace for any $p\in X$, and depends continuously on $p$; (ii) $C_4(X,p)=C_3(X,p)$ for any $p\in X$; (iii) $C_4(X,p)$ is a $d$-dimensional linear subspace for any $p\in X$; (iv) $C_5(X,p)$ is a $d-$dimensional linear subspace for any $p\in X$; (v) $X$ i…

@unchartedworlds@scicomm.xyz
2025-07-24 14:46:34
Content warning: Tiago Forte on thinking about climate change

Good to see Tiago Forte talking about this. A lot of people read his stuff.
(He's a writer/teacher best known for the "Building a Second Brain" framework.)
"It was that summer when climate change stopped being an abstract concept and became viscerally personal for me. I realized that this wasn’t a one-time freak event—every summer we could expect deteriorating air quality from rampant wildfires. ...
"This convergence of physical heat, failing infrastructure, and human vulnerability isn’t just a temporary inconvenience. It’s a preview of the fundamental challenge that Jeff Goodell explores in The Heat Will Kill You First, a book that forced me to confront an uncomfortable truth: all our routines for productive living and working are built on the assumption of a stable climate. It no longer makes sense for me to teach people how to build productive systems without taking into account the increasing instability of our wider environment."
#TiagoForte #ClimateChange #ClimateDiary #environment #books #heatwave