Decay asymmetry in non-mesonic weak decay of light Λ -hypernuclei

T. Maruta, S. Ajimura, K. Aoki, A. Banu, H. Bhang, T. Fukuda, O. Hashimoto, I. Hwang, S. Kameoka, B. H. Kang, E. H. Kim, J. H. Kim, M. J. Kim, Y. Miura, Y. Miyake, T. Nagae, M. Nakamura, S. N. Nakamura, H. Noumi, S. OkadaY. Okayasu, H. Outa, H. Park, P. K. Saha, Y. Sato, M. Sekimoto, T. Takahashi, H. Tamura, K. Tanida, A. Toyoda, K. Tsukada, T. Watanabe

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

The proton decay asymmetry, αNM p , of the polarized Λ -hypernuclei, 5 ΛHe , 12 ΛC and 11 ΛB , has been investigated to understand the reaction mechanism of the non-mesonic weak-decay process. These Λ -hypernuclei were produced in the highest statistics ever via the (π+, K +) reaction at 1.05GeV/c by using the SKS spectrometer at KEK 12GeV PS. The results show that the αNM p are very small for these s -shell and p -shell hypernuclei.

Original languageEnglish
Pages (from-to)255-258
Number of pages4
JournalEuropean Physical Journal A
Volume33
Issue number3
DOIs
Publication statusPublished - 2007 Sep

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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