Spin polarization and weak decay of polarized Λ hypernuclei

T. Kishimoto, S. Ajimura, H. Ejiri, K. Ikeda, M. Ishikawa, T. Nakano, A. Okusu, N. Shinkai, Y. Tanaka, T. Hasegawa, O. Hashimoto, T. Nagae, M. Sekimoto, T. Shibata, H. Noumi, K. Manabe, K. Maeda, T. Takahashi, H. Bhang, H. ParkM. Youn

Research output: Contribution to journalArticlepeer-review

Abstract

Weak nonmesonic decay of Λ hypernuclei is almost unique way to study strangeness changing weak ΛN → 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 Λ 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.

Original languageEnglish
Pages (from-to)263-270
Number of pages8
JournalNuclear Physics, Section A
Volume577
Issue number1-2
DOIs
Publication statusPublished - 1994 Sep 19

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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