核素分布对核质量模型选择的敏感性

Proceedings of Particles and Nuclei International Conference 2021 — PoS(PANIC2021) Pub Date : 2022-03-09 DOI:10.22323/1.380.0333

V. Negrebetskiy, E. Vladimirova, M. Simonov, K. Stopani, T. Tretyakova

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引用次数: 0

摘要

利用FRDM、HFB和WS+RBF等方法预测的未知原子核的质量，获得了天体物理r过程中中子俘获反应的截面和速率的理论估计。我们还使用了我们在使用局部质量关系的现象学方法中获得的质量值。研究了由核模型不确定性引起的预测r过程产率的变化。

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Sensitivity of r-nuclide distributions to the choice of nuclear mass model

Theoretical estimates of the cross sections and rates of neutron capture reactions in the astrophysical r-process are obtained using the masses of unknown nuclei predicted in such approaches as FRDM, HFB and WS+RBF. We also used the mass values obtained by us in the phenomenological approach using local mass relations. Variations of predicted r-process yields, caused by nuclear models uncertainties, were studied.

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Proceedings of Particles and Nuclei International Conference 2021 — PoS(PANIC2021)

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