Polarization and weak decays of Λ hypernuclei produced by the (π+, K+) reaction on 12C

S. Ajimura, H. Ejiri, T. Fukuda, D. R. Gill, O. Hashimoto, A. Higashi, G. Inoue, Y. Iseki, K. Kimura, T. Kishimoto, L. Lee, K. Maeda, F. Nakamura, M. Nomachi, H. Noumi, H. Ohsumi, J. Ohkusu, A. Olin, H. Sano, T. ShibataS. Yen

研究成果: Article査読

76 被引用数 (Scopus)

抄録

Non-mesonic weak-decay protons (NM-p) and mesonic weak-decay pions (M-π) from Λ produced by the (π+, K+) reaction on 12C have been measured. NM-p from the 11ΛB( 5 2+) produced through the proton-unbound states in 12ΛC and NM-p and M-π associated with the quasi-bound region (Ex ≈ 20 MeV) in 12ΛC show finite asymmetries of A1 = - 0.20 to - 0.35 with respect to the reaction plane. These results indicate finite polarizations of the relevant Λ-hypernuclei and asymmetric NM weak decays.

本文言語English
ページ(範囲)293-298
ページ数6
ジャーナルPhysics Letters B
282
3-4
DOI
出版ステータスPublished - 1992 5月 28

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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