The Skyrme-TQRPA calculations of electron capture on hot nuclei in pre-supernova environment


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We combine the thermal QRPA approach with the Skyrme energy density functional theory (Skyrme–TQRPA) for modelling the process of electron capture on nuclei in supernova environment. For a sample nucleus, 56Fe, the Skyrme–TQRPA approach is applied to analyze thermal effects on the strength function of GT+ transitions which dominate electron capture at Ee ≤ 30 MeV. Several Skyrme interactions are used in order to verify the sensitivity of the obtained results to the Skyrme force parameters. Finite-temperature cross sections are calculated and the results are comparedwith those of the other model calculations.

作者简介

Alan Dzhioev

Bogoliubov Laboratory of Theoretical Physics

编辑信件的主要联系方式.
Email: dzhioev@theor.jinr.ru
俄罗斯联邦, Dubna

A. Vdovin

Bogoliubov Laboratory of Theoretical Physics

Email: dzhioev@theor.jinr.ru
俄罗斯联邦, Dubna

Ch. Stoyanov

Institute for Nuclear Research and Nuclear Energy

Email: dzhioev@theor.jinr.ru
保加利亚, Sofia

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