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In this paper we address the indirect method, which can provide a powerful technique to obtain information about radiative capture reactions at astrophysically relevant energies. The idea of the indirect method is to use the indirect…

星系天体物理 · 物理学 2017-10-25 A. M. Mukhamedzhanov , G. R. Rogachev

Neutron capture-induced nuclear recoils have emerged as an important tool for detector calibrations in direct dark matter detection and coherent elastic neutrino-nucleus scattering (CE${\nu}$NS). $\texttt{nrCascadeSim}$ is a command-line…

仪器与探测器 · 物理学 2022-02-24 Anthony Villano , Kitty Harris , Staci Brown

A computer program is described to calculate momentum distributions in stripping and diffraction dissociation reactions. A Glauber model is used with the scattering wavefunctions calculated in the eikonal approximation. The program is…

核理论 · 物理学 2009-11-11 C. A. Bertulani , A. Gade

We present a new code, RCF("Radiative-Collisional code based on FAC"), which is used to simulate steady-state plasmas under non local thermodynamic equilibrium condition, especially photoinization dominated plasmas. RCF takes almost all of…

原子物理 · 物理学 2015-06-24 Bo Han , Feilu Wang , David Salzmann , Gang Zhao

Gaussian Approximation Potentials are a class of Machine Learned Interatomic Potentials routinely used to model materials and molecular systems on the atomic scale. The software implementation provides the means for both fitting models…

Reaction systems are a computational model inspired by the bio-chemical reactions that happen inside biological cells. They have been and currently are studied for their many nice theoretical properties. They are also a useful modeling tool…

形式语言与自动机理论 · 计算机科学 2020-08-05 Claudio Ferretti , Alberto Leporati , Luca Manzoni , Antonio E. Porreca

Nuclear reactions govern major aspects of the chemical evolution od galaxies and stars. Analytic study of the reaction rates and reaction probability integrals is attempted here. Exact expressions for the reaction rates and reaction…

天体物理学 · 物理学 2011-04-15 H. J. Haubold , A. M. Mathai

We present a pure machine learning process for synthesizing radar spectrograms from Motion-Capture (MoCap) data. We formulate MoCap-to-spectrogram translation as a windowed sequence-to-sequence task using a transformer-based model that…

机器学习 · 计算机科学 2025-11-17 Kevin Chen , Kenneth W. Parker , Anish Arora

In this work we present a reactions module for "Chaos Many-Body Engine" (Grossu et al., 2010 [1]). Following our goal of creating a customizable, object oriented code library, the list of all possible reactions, including the corresponding…

计算物理 · 物理学 2012-01-19 I. V. Grossu , C. Besliu , Al. Jipa , E. Stan , T. Esanu , D. Felea , C. C. Bordeianu

We propose alternatives to coupled-channels calculations with loosely-bound exotic nuclei (CDCC), based on the the random matrix (RMT) and the optical background (OPM) models for the statistical theory of nuclear reactions. The coupled…

核理论 · 物理学 2015-06-19 Carlos A. Bertulani , Pierre Descouvemont , Mahir S. Hussein

Radiative processes, where a photon/neutrino is emitted as a result of a collision or decay of a particle, play a central role in atomic, nuclear and particle physics. Their rate is determined by certain off-diagonal matrix elements with…

核理论 · 物理学 2022-09-22 Paulo F. Bedaque , Ratna Khadka , Gautam Rupak , Muhammad Yusf

In the frame of modified potential cluster model based on the classification of orbital states by Young diagrams and revised interaction potential parameters for the bound states of 7Be in 3He4He cluster model with forbidden states the…

核理论 · 物理学 2019-03-19 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov , N. A. Burkova

An important ingredient for applications of nuclear physics to e.g. astrophysics or nuclear energy are the cross sections for reactions of neutrons with rare isotopes. Since direct measurements are often not possible, indirect methods like…

核理论 · 物理学 2016-12-28 L. Hlophe , Ch. Elster

Theoretical reaction rates in the temperature range 0.01*10^9<=T[K]<=10.*10^9 are calculated in the statistical model (Hauser-Feshbach formalism) for targets with 10<=Z<=83 (Ne to Bi) and for a mass range reaching the neutron and proton…

天体物理学 · 物理学 2009-10-31 T. Rauscher , F. -K. Thielemann

Modern X-ray spectroscopy has proven itself as a robust tool for probing the electronic structure of atoms in complex environments. Despite working on energy scales that are much larger than those corresponding to nuclear motions, taking…

化学物理 · 物理学 2017-06-28 Sven Karsten , Sergey I. Bokarev , Saadullah G. Aziz , Sergei D. Ivanov , Oliver Kühn

The identification of meaningful reaction coordinates plays a key role in the study of complex molecular systems whose essential dynamics is characterized by rare or slow transition events. In a recent publication, precise defining…

计算物理 · 物理学 2018-11-14 Andreas Bittracher , Ralf Banisch , Christof Schütte

Reservoir computing has been shown to be a useful framework for predicting critical transitions of a dynamical system if the bifurcation parameter is also provided as an input. Its utility is significant because in real-world scenarios, the…

适应与自组织系统 · 物理学 2024-07-23 Dishant Sisodia , Sarika Jalan

Radiation reaction (RR) is a fundamental yet incompletely validated process in laser-particle interactions, since it lacks quantitatively definitive experimental verifications, especially the transition from classical to quantum regime.…

Hydrocarbon pyrolysis is a complex chemical reaction system at extreme temperature and pressure conditions involving large numbers of chemical reactions and chemical species. Only two kinds of atoms are involved: carbons and hydrogens. Its…

化学物理 · 物理学 2026-02-10 Perrin E. Ruth , Vincent Dufour-Decieux , Christopher Moakler , Maria Cameron