COMPLETE OH-OMEGA CALCULATIONS OF GAMOW-TELLER STRENGTHS FOR NUCLEI IN THE IRON REGION

被引:26
作者
DEAN, DJ [1 ]
RADHA, PB [1 ]
LANGANKE, K [1 ]
ALHASSID, Y [1 ]
KOONIN, SE [1 ]
ORMAND, WE [1 ]
机构
[1] YALE UNIV,CTR THEORET PHYS,SLOANE PHYS LAB,NEW HAVEN,CT 06511
关键词
D O I
10.1103/PhysRevLett.72.4066
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Gamow-Teller strengths for selected nuclei in the iron region (A approximately 56) have been investigated via shell-model Monte Carlo calculations with realistic interactions in the complete fp basis. Results for all cases show significant quenching relative to single-particle estimates, in quantitative agreement with (n,p) data. The T = 0 residual interaction and the f7/2-f5/2 spin-orbit splitting are shown to play major roles in the quenching mechanism. Calculated B(E2,2(1+) --> 0(1+)) values are in fair agreement with experiment using effective charges of e(p) = 1.1e and e(n) = 0.1e.
引用
收藏
页码:4066 / 4069
页数:4
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