Simple nuclear mass formula

被引：40
作者：
Bhagwat, A. [1 ,2 ]
机构：
[1] UM DAE Ctr Excellence Basic Sci, Bombay 400098, Maharashtra, India
[2] KTH Royal Inst Technol, Alba Nova Univ Ctr, Dept Nucl Phys, S-10691 Stockholm, Sweden
来源：
PHYSICAL REVIEW C | 2014年 / 90卷 / 06期
关键词：
RADIOACTIVITY; IONS;
D O I：
10.1103/PhysRevC.90.064306
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A simple formula for ground state nuclear masses based on the microscopic-macroscopic approach is proposed. Considering a set of 2353 nuclei with Z >= 8 and N >= 8, the formula yields an rms deviation of just 266 keV. A few applications, including the loosely bound proton rich nuclei, superheavy nuclei, and cluster emitters, are presented and discussed, establishing the reliability of the proposed formula. The present investigation has a major advantage: it allows one to reliably parametrize the fluctuating part of the ground state energy. This result is very interesting and important, since the fluctuating part of the energy is related directly to the trace formula, which in turn encodes the interaction itself.
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页数：6
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