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A goal of supernova remnant (SNR) evolution models is to relate fundamental parameters of a supernova (SN) explosion and progenitor star to the current state of its SNR. The SNR hot plasma is characterized by its observed X-ray spectrum,…

Astrophysics of Galaxies · Physics 2019-10-02 D. A. Leahy , Yuyang Wang , Bryson Lawton , Sujith Ranasinghe , Miroslav Filipovic

Supernovae emit large fluxes of neutrinos which can be detected by detectors on Earth. Future tonne-scale detectors will be sensitive to several neutrino interaction channels, with thousands of events expected if a supernova emerges in the…

Instrumentation and Methods for Astrophysics · Physics 2022-07-06 O. I. González-Reina , J. Rumleskie , E. Vázquez-Jáuregui

We investigate nucleosynthesis in the supernovae post-core bounce neutrino-driven wind environment in the presence of active-sterile neutrino transformation. We consider active-sterile neutrino oscillations for a range of mixing parameters:…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Beun , G. C. McLaughlin , R. Surman , W. R. Hix

The rise of the programmable web offers new opportunities for the empirically driven social sciences. The access, compilation and preparation of data from the programmable web for statistical analysis can, however, involve substantial…

Computation · Statistics 2016-07-20 Ulrich Matter

The R package calculus implements C++ optimized functions for numerical and symbolic calculus, such as the Einstein summing convention, fast computation of the Levi-Civita symbol and generalized Kronecker delta, Taylor series expansion,…

Mathematical Software · Computer Science 2022-10-05 Emanuele Guidotti

In this paper, we report the development of a java application for the Superposition T-matrix code, JaSTA (Java Superposition T-matrix App), to study the light scattering properties of aggregate structures. It has been developed using…

Computational Physics · Physics 2014-12-01 P. Halder , A. Chakraborty , P. Deb Roy , H. S. Das

We have performed for the first time a comprehensive study of the sensitivity of $r$-process nucleosynthesis to individual nuclear masses across the chart of nuclides. Using the latest version (2012) of the Finite-Range Droplet Model, we…

Nuclear Theory · Physics 2015-10-07 M. R. Mumpower , R. Surman , D. -L. Fang , M. Beard , P. Moller , T. Kawano , A. Aprahamian

We propose a new nucleosynthesis process in which various nuclei are formed through the liquid-gas phase transition of supernova matter as a preprocess of the standard r-process, and study its possibility of realization qualitatively. In…

Nuclear Theory · Physics 2008-11-26 Chikako Ishizuka , Akira Ohnishi , Kousuke Sumiyoshi

RNA sequencing (RNA-seq) has been rapidly adopted for the profiling of transcriptomes in many areas of biology, including studies into gene regulation, development and disease. Of particular interest is the discovery of differentially…

Modeling binary neutron star merger (BNSM) ejecta evolution requires simulations involving hydrodynamics, nuclear reactions, and radiative processes. The impact of nuclear burning and atomic opacity is poorly understood and often treated…

High Energy Astrophysical Phenomena · Physics 2026-04-08 Fabio Magistrelli , Sebastiano Bernuzzi , Albino Perego , Maximilian Jacobi , Christopher J. Fontes

We present a review of the possible sources for r-process nuclei. It is known that there is as yet no self-consistent mechanism to provide abundant neutrons for a robust r-process in the neutrino-driven winds from nascent neutron stars. We…

Astrophysics · Physics 2010-11-11 Y. -Z. Qian , G. J. Wasserburg

The rapid neutron-capture process, or r-process, is known to be fundamental for explaining the origin of approximately half of the A>60 stable nuclei observed in nature. In recent years nuclear astrophysicists have developed more and more…

Solar and Stellar Astrophysics · Physics 2015-05-28 S. Goriely , N. Chamel , H. -T. Janka , J. M. Pearson

Recent observations of heavy elements produced by rapid neutron capture (r-process) in the halo have shown a striking and unexpected behavior: within a single star, the relative abundances of r-process elements heavier than Eu are the same…

Astrophysics · Physics 2009-11-06 Brian D. Fields , James W. Truran , John J. Cowan

The numerical availability of statistical inference methods for a modern and robust analysis of longitudinal- and multivariate data in factorial experiments is an essential element in research and education. While existing approaches that…

Computation · Statistics 2018-01-25 Sarah Friedrich , Frank Konietschke , Markus Pauly

We present calculations of neutron thermal cross sections, Westcott factors, resonance integrals, Maxwellian-averaged cross sections, astrophysical reaction rates, and solar system $r$-process abundances using the latest data from the major…

Nuclear Theory · Physics 2025-03-26 B. Pritychenko

Unknown neutron-capture reaction rates remain a significant source of uncertainty in state-of-the-art $r$-process nucleosynthesis reaction network calculations. As the $r$-process involves highly neutron-rich nuclei for which direct…

Nuclear Experiment · Physics 2020-01-08 A. C. Larsen , S. N. Liddick , A. Spyrou , M. Guttormsen , F. L. Bello Garrote , J. E. Midtbø , T. Renstrøm

Supernova (SN) explosions, through the metals they release, play a pivotal role in the chemical evolution of the Universe and the origin of life. Nebular phase spectroscopy constrains such metal yields, for example through forbidden line…

High Energy Astrophysical Phenomena · Physics 2020-11-18 Luc Dessart , D. John Hillier

The computational requirements posed by multi-dimensional simulations of type Ia supernovae make it difficult to incorporate complex nuclear networks to follow the release of nuclear energy along with the propagation of the flame. Instead,…

Solar and Stellar Astrophysics · Physics 2020-05-06 Eduardo Bravo
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