论文标题

AMC 12原子质量汇编数据推断了远离稳定谷的原子质量的原子质量

AMC 12 atomic mass compilation data extrapolated for atomic masses of nuclei far from the valley of stability

论文作者

Venkataramaniah, K., S., Shreesha Rao D., Scheidenberger, C.

论文摘要

已经分析了来自原子质量汇编的实验质量数据-2012(AMC12)已分析了两种中子分离能量(S $ _ {2n} $),两种蛋白的分离能(S $ _ {2p} $),双β衰减能量(q $ _ {2} $) (q $ _ {4β^ - } $),分别针对中子数和质量数。一种新的加权斜坡外推方法,测试了已知和新的质量测量值,已被用于获得远离稳定谷的1100多个核,以更好的精度获得外推质量值,首次报告了100多个以上。与五个流行的质量模型进行了比较,参考了当前工作的实验外推质量和2016年原子质量评估(AME16)。推断的实验原子质量数据对于实验者和质量模型理论家以及天体物理R过程的模拟都将非常有用。

The experimental mass data from the Atomic Mass Compilation - 2012 (AMC12) has been analyzed for two-neutron separation energies (S$_{2n}$), two-proton separation energies (S$_{2p}$), double-beta decay energies (Q$_{2β^-}$), and four-beta decay energies (Q$_{4β^-}$) and plotted against neutron number and mass number, respectively. A new weighted slope method of extrapolation, tested for known and new mass measurements, has been used to obtain the extrapolated mass values with better precision for more than 1100 nuclei far from the valley of stability, out of which more than 100 are being reported for the first time. A comparison has been made with five of the popular mass models with reference to experimental extrapolated masses from the present work and the Atomic Mass Evaluation 2016 (AME16). The extrapolated experimental atomic mass data will be very useful for both experimentalists and mass-model theoreticians, as well as in simulations of astrophysical r-processes.

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