THOMAS-FERMI APPROACH TO NUCLEAR-MASS FORMULA .4. THE ETFSI-1 MASS FORMULA

被引:162
作者
ABOUSSIR, Y
PEARSON, JM
DUTTA, AK
TONDEUR, F
机构
[1] UNIV MONTREAL,DEPT PHYS,PHYS NUCL LAB,MONTREAL H3C 3J7,QUEBEC,CANADA
[2] UNIV LIBRE BRUXELLES,INST ASTRON & ASTROPHYS,B-1050 BRUSSELS,BELGIUM
[3] INST SUPER IND BRUXELLES,BRUSSELS,BELGIUM
关键词
D O I
10.1016/0375-9474(92)90038-L
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
We summarize the main features of the first nuclear-mass table to be based entirely on microscopic interactions. A semi-classical approximation to the HF-BCS method is adopted, with full Strutinsky shell corrections included. The 9 parameters of the underlying Skyrme and delta-function pairing forces are fitted to all 1492 mass data for A greater-than-or-equal-to 36; the r.m.s. error of this fit is 0.730 MeV. Our tabulation covers the range 36 less-than-or-equal-to A less-than-or-equal-to 300, goes out to the neutron-drip line and extends beyond the proton-drip line. Equilibrium deformations of all nuclei are calculated, with axial symmetry assumed. We also calculate several fission barriers using the same force with no further adjustment of parameters; a satisfactory agreement with experiment is obtained.
引用
收藏
页码:155 / 179
页数:25
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