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相关论文: Astrophysical Rates for Explosive Nucleosynthesis:…

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The relevant energy ranges for stellar nuclear reactions are introduced. Low-energy compound and direct reactions are discussed. Stellar modifications of the cross sections are presented. Implications for experiments are outlined.

高能天体物理现象 · 物理学 2015-05-19 T. Rauscher

Explosive nuclear burning in astrophysical environments produces unstable nuclei which again can be targets for subsequent reactions. In addition, it involves a large number of stable nuclides which are not fully explored by experiments,…

核理论 · 物理学 2017-08-23 T. Rauscher , C. Froehlich , K. H. Guber

Nuclear reaction rates determine the abundances of isotopes in stellar burning processes. A multitude of reactions determine the reaction flow pattern which is described in terms of reaction network simulations. The reaction rates are…

天体物理仪器与方法 · 物理学 2010-11-03 M. Wiescher , T. Rauscher

This is an overview over the prediction of astrophysical reaction rates in the statistical model, with special emphasis on the parametrization of optical alpha+nucleus potentials.

核理论 · 物理学 2007-05-23 T. Rauscher

Fundamental differences in the prediction of reaction rates with intermediate and heavy target nuclei compared to the ones with light nuclei are discussed, with special emphasis on stellar modifications of the rates. Ground and excited…

高能天体物理现象 · 物理学 2013-03-28 T. Rauscher

The determination of astrophysical reaction rates requires different approaches depending on the conditions in hydrostatic and explosive burning. The focus here is on astrophysical reaction rates for radiative neutron capture reactions.…

核理论 · 物理学 2022-11-10 Thomas Rauscher

The majority of nuclear reactions in astrophysics involve unstable nuclei which are not fully accessible by experiments yet. Therefore, there is high demand for reliable predictions of cross sections and reaction rates by theoretical means.…

天体物理学 · 物理学 2010-12-13 T. Rauscher , R. D. Hoffman , S. E. Woosley , F. -K. Thielemann

Preliminary results of a new set of stellar evolution and nucleosynthesis calculations for massive stars are presented. These results were obtained with an extended reaction network up to Bi. The discussion focuses on the importance of…

核理论 · 物理学 2017-08-23 T. Rauscher , R. D. Hoffman , A. Heger , S. E. Woosley

Properties of atomic nuclei important for the prediction of astrophysical reaction rates are reviewed. In the first part, a recent simulation of evolution and nucleosynthesis of stars between 15 and 25 solar masses is presented. This study…

天体物理学 · 物理学 2009-11-07 T. Rauscher

This review focuses on nuclear reactions in astrophysics and, more specifically, on reactions with light ions (nucleons and alpha particles) proceeding via the strong interaction. It is intended to present the basic definitions essential…

核理论 · 物理学 2015-03-17 T. Rauscher

This chapter will go through the important nuclear reactions in stellar evolution and explosions, passing through the individual stellar burning stages and also explosive burning conditions. To follow the changes in the composition of…

太阳与恒星天体物理 · 物理学 2024-04-23 Friedrich-Karl Thielemann , Thomas Rauscher

Stellar nucleosynthesis is an important nuclear physics phenomenon that is responsible for presently observed chemical elements and isotope abundances. It is also one of the corner stone hypotheses that provides basis for our understanding…

太阳与恒星天体物理 · 物理学 2012-03-09 Boris Pritychenko

Nucleosynthesis of heavy elements requires the use of different experimental and theoretical methods to determine astrophysical reaction rates than light element nucleosynthesis. Additionally, there are also larger uncertainties involved in…

高能天体物理现象 · 物理学 2016-09-12 T. Rauscher , N. Nishimura , R. Hirschi

There is a high demand for nuclear data in multidisciplinary subject like nuclear astrophysics. The two areas of nuclear physics which are most clearly related to one another are stellar evolution and nucleosynthesis. The necessity for…

核理论 · 物理学 2025-03-27 Vinay Singh , Debasis Bhowmick , D. N. Basu

Nuclear reaction rates are one of the most important ingredients in describing how stars evolve. The study of the nuclear reactions involved in different astrophysical sites is thus mandatory to address most questions in nuclear…

核实验 · 物理学 2021-07-29 Faïrouz Hammache , Nicolas de Séréville

Sensitivities of nuclear reaction rates to a variation of nuclear properties are studied. Target nuclei range from proton- to neutron-dripline for 10<=Z<=83. Reactions considered are nucleon- and alpha-induced reactions mediated by the…

太阳与恒星天体物理 · 物理学 2015-03-13 T. Rauscher

Recent improvements and remaining problems in the prediction of thermonuclear rates are reviewed. The main emphasis is on statistical model calculations, but the challenge to include direct reactions close to the driplines is also briefly…

核理论 · 物理学 2007-05-23 T. Rauscher

The reactions of relevance for stellar evolution are difficult to measure directly in the laboratory at the small astrophysical energies. In recent years indirect reaction methods have been developed and applied to extract low-energy…

核理论 · 物理学 2015-06-15 C. A. Bertulani

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

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

经典分析与常微分方程 · 数学 2009-09-25 Hans J. Haubold , Arak Mathai Mathai
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