SPIN POLARIZATION AND WEAK DECAY OF POLARIZED LAMBDA-HYPERNUCLEI

被引：0

作者：

KISHIMOTO, T

AJIMURA, S

EJIRI, H

IKEDA, K

ISHIKAWA, M

NAKANO, T

OKUSU, A

SHINKAI, N

TANAKA, Y

HASEGAWA, T

HASHIMOTO, O

NAGAE, T

SEKIMOTO, M

SHIBATA, T

NOUMI, H

MANABE, K

MAEDA, K

TAKAHASHI, T

BHANG, H

PARK, H

YOUN, M

机构：

[1] UNIV TOKYO,INST NUCL STUDY,TANASHI,TOKYO 188,JAPAN

[2] NATL LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN

[3] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

[4] KYOTO UNIV,DEPT PHYS,KYOTO 606,JAPAN

[5] SEOUL NATL UNIV,DEPT PHYS,SEOUL,SOUTH KOREA

来源：

NUCLEAR PHYSICS A | 1994年 / 577卷 / 1-2期

关键词：

D O I：

暂无

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：

Weak nonmesonic decay of Lambda hypernuclei is almost unique way to study strangeness changing weak Lambda N --> NN process. The study of branching ratio gave spin-isospin structure of the the nonmesonic decay. A recent experiment, which observed asymmetry of protons from the polarized Lambda hypernuclei, gives the interference term of amplitudes between different parities. It is shown that the asymmetry parameter elucidates the dominant part of the nonmesonic decay mechanism.

引用

页码：C263 / C269

页数：7

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