SELF-CONSISTENT CALCULATION OF CHARGE RADII OF PB ISOTOPES

被引：128

作者：

TAJIMA, N

BONCHE, P

FLOCARD, H

HEENEN, PH

WEISS, MS

机构：

[1] UNIV PARIS 11,INST PHYS NUCL,DIV PHYS THEOR,UNITE RECH,F-91406 ORSAY,FRANCE

[2] CE SACLAY,SERV PHYS THEOR,F-91191 GIF SUR YVETTE,FRANCE

[3] UNIV PARIS 06,CNRS,PARIS,FRANCE

[4] UNIV TOKYO,INST PHYS,MEGURO KU,TOKYO 153,JAPAN

[5] ULB,SERV PHYS NUCL THEOR,B-1050 BRUSSELS,BELGIUM

[6] LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550

来源：

NUCLEAR PHYSICS A | 1993年 / 551卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0375-9474(93)90456-8

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：

Charge radii of lead isotopes are calculated with the HF plus BCS method, using Skyrme forces (SkM*, SIII and SGII) for the mean field. When these forces are combined with a seniority pairing force, all of them fail to reproduce the experiment. Neither higher-order corrections, nor ground-state correlations due to the collective modes can resolve the discrepancy. However, by introducing a density-dependent pairing force quenched inside the nucleus, one can explain the odd-even staggering as well as the large kink of charge radii at Pb-208 when plotted versus A.

引用

收藏

页码：434 / 450

页数：17

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