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Future detection of a supernova neutrino burst by large underground detectors would give important information for the explosion mechanism of collapse-driven supernovae. We studied the statistical analysis for the future detection of a…

Astrophysics · Physics 2009-10-30 T. Totani , K. Sato , H. E. Dalhed , J. R. Wilson

Despite the importance of Type Ia supernovae (SNe Ia) for modern astrophysics, their detailed mechanism is still not fully understood. In this contribution, we present recent findings from numerical explosion models in the context of the…

High Energy Astrophysical Phenomena · Physics 2017-07-04 Markus Kromer , Sebastian T. Ohlmann , Friedrich K. Roepke

Energetics of nuclear reaction is fundamentally important to understand the mechanism of pair instability supernovae (PISNe). Based on the hydrodynamic equations and thermodynamic relations, we derive exact expressions for energy…

Solar and Stellar Astrophysics · Physics 2016-01-27 Koh Takahashi , Takashi Yoshida , Hideyuki Umeda , Kohsuke Sumiyoshi , Shoichi Yamada

Fluctuations in the occurrence of large, disastrous earthquakes are important for the study of deviations from the regular behavior of earthquakes. In this study, to assist in our understanding of the irregular behavior of earthquake…

Statistical Mechanics · Physics 2014-03-18 Tetsuya Mitsudo , Naoyuki Kato

Self-consistent multi-particle simulation plays an important role in studying beam-beam effects and space charge effects in high-intensity beams. The Poisson equation has to be solved at each time-step based on the particle density…

Accelerator Physics · Physics 2014-10-15 J. Qiang , S. Paret

The spectral fluctuation properties of spherical nuclei are considered by use of NNSD statistic. With employing a generalized Brody distribution included Poisson, GOE and GUE limits and also MLE technique, the chaoticity parameters are…

Nuclear Theory · Physics 2014-07-01 M. A. Jafarizadeh , N. Fouladi , H. Sabri

The delay time distribution of Type Ia supernovae (the time-dependent rate of supernovae resulting from a burst of star formation) has been measured using different techniques and in different environments. Here, we study in detail the…

High Energy Astrophysical Phenomena · Physics 2019-09-11 E. Heringer , C. Pritchet , M. H. van Kerkwijk

We propose to use the thermal X-ray emission from young supernova remnants (SNRs) originated in Type Ia supernovae (SNe) to extract relevant information concerning the explosion mechanism. We focus on the differences between numerical 1D…

Astrophysics · Physics 2007-05-23 Carles Badenes , Eduardo Bravo , Kazimierz J. Borkowski

To improve the estimate of SN rates for all types as a function of redshift has been proposed and accepted a three years SN search with the VST telescope. To help planning an optimal strategy for the search, we have developed a simulation…

Astrophysics · Physics 2007-05-23 R. Calvi , E. Cappellaro , M. T. Botticella , M. Riello

The empirical probability density function for the conditional distribution of the true value of Poisson distribution parameter on one measurement is constructed by computer experiment. The analysis of the obtained distributions confirms…

Data Analysis, Statistics and Probability · Physics 2009-11-10 S. I. Bityukov , V. A. Medvedev , V. V. Smirnova , Yu. V. Zernii

Core-collapse supernovae (CCSN) are a prime source of gravitational waves. Estimations of their typical frequencies make them perfect targets for the current network of advanced, ground-based detectors. A successful detection could…

General Relativity and Quantum Cosmology · Physics 2022-03-30 Ainara Saiz-Pérez , Alejandro Torres-Forné , José A. Font

The Poisson distribution is the probability distribution of the number of independent events in a given period of time. Although the Poisson distribution appears ubiquitously in various stochastic dynamics of gene expression, both as…

Statistical Mechanics · Physics 2024-10-02 Julian Lee

The explosion mechanism associated with thermonuclear supernovae (SNIa) is still a matter of debate. There is a wide agreement that high amounts of of radioactive nuclei are produced during these events and they are expected to be strong…

Astrophysics · Physics 2009-10-30 Jordi Gomez-Gomar , Jordi Isern , Pierre Jean

Fostered by the possibilities of multi-dimensional computational modeling, in particular the advent of three-dimensional (3D) simulations, our understanding of the neutrino-driven explosion mechanism of core-collapse supernovae (SNe) has…

High Energy Astrophysical Phenomena · Physics 2017-10-25 H. -Thomas Janka , Michael Gabler , Annop Wongwathanarat

The observed distribution of neutron star (NS) masses reflects the physics of core-collapse supernova explosions and the structure of the massive stars that produce them at the end of their evolution. We present a Bayesian analysis that…

Solar and Stellar Astrophysics · Physics 2012-07-25 Ondrej Pejcha , Todd A. Thompson , Christopher S. Kochanek

A common and effective method for calculating the steady-state distribution of a process under stochastic resetting is the renewal approach that requires only the knowledge of the reset-free propagator of the underlying process and the…

Statistical Mechanics · Physics 2024-11-15 Ron Vatash , Amy Altshuler , Yael Roichman

In this work, simulation-based equations to calculate propagation constant in uniform or periodic structures (SES) are deduced and verified through simulations in various types of structures. The modeling of those structures are essentially…

Computational Engineering, Finance, and Science · Computer Science 2025-05-07 Yifan Yin , Bingjie Zhang , Ke Wu

Modern supernova (SN) surveys are now uncovering stellar explosions at rates that far surpass what the world's spectroscopic resources can handle. In order to make full use of these SN datasets, it is necessary to use analysis methods that…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Steven A. Rodney , John L. Tonry

We present a new method for probabilistically classifying supernovae (SNe) without using SN spectral or photometric data. Unlike all previous studies to classify SNe without spectra, this technique does not use any SN photometry. Instead,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Ryan J. Foley , Kaisey Mandel

Gamma- and X-rays resulting from radioactive decays provide a potentially powerful tool to investigate the explosion physics of supernovae, since the distribution and the amount of radioactive isotopes are strongly dependent on properties…

Astrophysics · Physics 2007-08-08 Keiichi Maeda