Mechanisms of the nonmesonic weak decay of Λ hypernuclei and the three-body process

H. Bhang, S. Ajimura, K. Aoki, A. Banu, T. Fukuda, O. Hashimoto, J. I. Hwang, S. Kameoka, B. H. Kang, E. Kim, J. H. Kim, M. Kim, T. Maruta, 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, S. Shin, T. Takahashi, H. Tamura, K. Tanida, A. Toyata, K. Tsukada, T. Watanabe, H. J. Yim

Research output: Contribution to journalArticlepeer-review


The long standing Γnp puzzle of NMWD has finally been solved recently. It appears that the reason behind the puzzle was the universal quenching of nucleon yields from the prediction of one-nucleon induced (1N-) NMWD. We have shown that the quenching of nucleon yields can be explained only when we include a fairly large contribution of the three-body process (Γ2N) in Γnm.

Original languageEnglish
Pages (from-to)1023-1026
Number of pages4
JournalModern Physics Letters A
Issue number11-13
Publication statusPublished - 2009 Apr 30


  • Hypernuclei; Γ/Γ ratio
  • Nonmesonic weak decay
  • Three-body interaction


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