First observation of the ∑n decay of the S = - 2 system

  • T. Watanabe*
  • , J. K. Ahn
  • , H. Akikawa
  • , S. Aoki
  • , K. Arai
  • , S. Y. Bahk
  • , K. M. Baik
  • , B. Bassalleck
  • , J. H. Chung
  • , M. S. Chung
  • , D. H. Davis
  • , T. Fukuda
  • , H. Hayata
  • , K. Hoshino
  • , A. Ichikawa
  • , M. Ieiri
  • , K. Imai
  • , Y. H. Iwata
  • , Y. S. Iwata
  • , Y. Kakita
  • H. Kanda, M. Kaneko, T. Kawai, M. Kawasaki, C. O. Kim, J. Y. Kim, S. J. Kim, S. H. Kim, Y. Kondo, T. Kouketsu, Y. L. Lee, J. W.C. McNabb, M. Mitsuhara, Y. Nagase, C. Nagoshi, K. Nakazawa, H. Noumi, S. Ogawa, H. Okabe, K. Oyama, H. M. Park, I. G. Park, J. Parker, Y. S. Ra, J. T. Rhee, A. Rusek, H. Shibuya, K. S. Sim, P. K. Saha, D. Seki, M. Sekimoto, J. S. Song, H. Takahashi, T. Takahashi, F. Takeutchi, H. Tanaka, K. Tanida, J. Tojo, H. Torii, S. Torikai, T. Tsunemi, D. N. Tovee, N. Ushida, K. Yamamoto, N. Yasuda, J. T. Yang, C. J. Yoon, C. S. Yoon, M. Yosoi, T. Yoshida, L. Zhu
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

An event emitting a ∑- -hyperon from a Ξ- -hyperon nuclear capture at rest has been observed in a hybrid-emulsion experiment. The event has been analyzed as the first observation of the weak decay of the S = - 2 system.

Original languageEnglish
Pages (from-to)265-268
Number of pages4
JournalEuropean Physical Journal A
Volume33
Issue number3
DOIs
StatePublished - Sep 2007
Externally publishedYes

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