ISOVECTOR PARITY MIXING IN NE-20

被引：4
|
作者：
KNIEST, N
HUTTEL, E
PFAFF, E
REITER, G
CLAUSNITZER, G
机构：
[1] Institut für Kernphysik, Strahlenzentrum der Universität Giessen
来源：
PHYSICAL REVIEW C | 1990年 / 41卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.41.R1336
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：
The parity- and isospin-forbidden 0 decay from Ne*20(J=1+; T=1; Ex=13.482 MeV) to O16(g.s.) has been investigated by measurement of the longitudinal analyzing power Az of the reaction F19(p,0)16O around the 1+ resonance in Ne*20. With the data, the range for the expected interference effect has been reduced to Az=(15.07.6)×10-4 (68% c.l.), significantly smaller than a previous result. An analysis for the new data and those of related experiments has been performed to extract upper limits for the irregular 0 width 0PNC and the weak pion nucleon coupling constant f, being smaller than previous theoretical expectations. © 1990 The American Physical Society.
引用
收藏
页码：R1336 / R1338
页数：3
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