γ -ray spectroscopy study of 11 Λb and 12 Λc

Y. Ma, S. Ajimura, K. Aoki, M. Dairaku, Y. Y. Fu, H. Fujioka, T. Fukuda, K. Futatsukawa, K. Hosomi, W. Imoto, M. Kawai, Y. Kakiguchi, S. Kinoshita, T. Koike, N. Maruyama, M. Mimori, S. Minami, Y. Miura, K. Miwa, Y. MiyagiT. Nagae, D. Nakajima, H. Noumi, K. Shirotori, T. Suzuki, T. Takahashi, T. N. Takahashi, H. Tamura, K. Tanida, N. Terada, A. Toyoda, K. Tsukada, M. Ukai, S. H. Zhou

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13 Citations (Scopus)


In this paper, a preliminary result from the latest hypernuclear γ -ray spectroscopy experiment (KEK-E566) is presented together with a short discussion. The experiment was performed at the KEK-PS K6 beam line in 2005. In this experiment, the 12C(π+, K +) 12 ΛC reaction was employed to populate 12 ΛC/11 ΛB hypernuclei. A germanium detector array, Hyperball2, was constructed to detect γ -rays emitted from the hypernuclei produced. Three hypernuclear γ -ray peaks were observed and assigned.

Original languageEnglish
Pages (from-to)243-246
Number of pages4
JournalEuropean Physical Journal A
Issue number3
Publication statusPublished - 2007 Sept


  • 07.85.Nc X-ray and γ -ray spectrometers
  • 13.75.Ev Hyperon-nucleon interactions
  • 21.80.+a Hypernuclei


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