Gamow-Teller resonance in hot nuclei and astrophysical applications

被引：6

作者：

Dzhioev A.A. ^{[1
]}

Vdovin A.I. ^{[1
]}

Ponomarev V.Yu. ^{[1
,2
]}

Wambach J. ^{[2
,3
]}

机构：

[1] Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow oblast 141980

[2] Institut für Kernphysik, TU-Darmstadt, D-64289 Darmstadt

[3] GSI

来源：

Bulletin of the Russian Academy of Sciences: Physics | 2008年 / 72卷 / 03期

关键词：

Charge transfer - Resonance - Stars - Thermal effects - Thermodynamics;

D O I：

10.3103/S1062873808030015

中图分类号：

学科分类号：

摘要：

A formalism based on thermo field dynamics is described. It allows the effect of the temperature on the strength distribution of charge-exchange transitions in hot nuclei to be taken into account. Numerical calculations with the pair correlations in the BCS approximation and the schematic στ interaction are carried out for Gamow-Teller transitions in the 56Fe nucleus. The electron capture and β- decay rates are calculated for this nucleus at temperatures and densities corresponding to the advanced stage of the evolution of massive stars. © Allerton Press, Inc. 2008.

引用

页码：269 / 273

页数：4

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