212Po在恒星温度下的α衰变半衰期

IF 3.4 3区物理与天体物理 Q2 PHYSICS, NUCLEAR Journal of Physics G: Nuclear and Particle Physics Pub Date : 2023-05-09 DOI:10.1088/1361-6471/acd39a

P. Mohr

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引用次数: 2

摘要

原子核的衰变特性可能在恒星环境中发生改变。本研究分析了212Po在几吉开尔文温度下的α衰变，这是典型的爆炸性恒星环境。与最近一项声称212Po的半衰期减少了五个数量级的研究相反，本研究显示，半衰期仅适度减少了一个数量级以下，达到2GK。

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α-decay half-life of 212Po at stellar temperatures

The decay properties of atomic nuclei may be modiﬁed in stellar environments. The present study analyzes the α-decay of 212Po at temperatures of several Giga-Kelvin, typical for explosive stellar environments. Contrary to a recent study which claimed a reduction of the half-life of 212Po by up to ﬁve orders of magnitude, the present study shows only a moderate reduction of the half-life of less than one order of magnitude up to 2 GK.

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来源期刊

Journal of Physics G: Nuclear and Particle Physics 物理-物理：核物理

CiteScore

7.60

自引率

5.70%

发文量

105

审稿时长

1 months

期刊介绍： Journal of Physics G: Nuclear and Particle Physics (JPhysG) publishes articles on theoretical and experimental topics in all areas of nuclear and particle physics, including nuclear and particle astrophysics. The journal welcomes submissions from any interface area between these fields. All aspects of fundamental nuclear physics research, including: nuclear forces and few-body systems; nuclear structure and nuclear reactions; rare decays and fundamental symmetries; hadronic physics, lattice QCD; heavy-ion physics; hot and dense matter, QCD phase diagram. All aspects of elementary particle physics research, including: high-energy particle physics; neutrino physics; phenomenology and theory; beyond standard model physics; electroweak interactions; fundamental symmetries. All aspects of nuclear and particle astrophysics including: nuclear physics of stars and stellar explosions; nucleosynthesis; nuclear equation of state; astrophysical neutrino physics; cosmic rays; dark matter. JPhysG publishes a variety of article types for the community. As well as high-quality research papers, this includes our prestigious topical review series, focus issues, and the rapid publication of letters.