Search for the K- pp bound state via the 3He(K-, n) reaction at 1 GeV/c

T. Hashimoto, S. Ajimura, G. Beer, H. Bhang, M. Bragadireanu, P. Buehler, L. Busso, M. Cargnelli, S. Choi, C. Curceanu, S. Enomoto, D. Faso, H. Fujioka, Y. Fujiwara, T. Fukuda, C. Guaraldo, R. S. Hayano, T. Hiraiwa, M. Iio, M. IliescuK. Inoue, Y. Ishiguro, T. Ishikawa, S. Ishimoto, T. Ishiwatari, K. Itahashi, M. Iwai, M. Iwasaki, Y. Kato, S. Kawasaki, P. Kienle, H. Kou, Y. Ma, J. Marton, Y. Matsuda, Y. Mizoi, O. Morra, T. Nagae, H. Noumi, H. Ohnishi, S. Okada, H. Outa, K. Piscicchia, M. Poli Lener, A. Romero Vidal, Y. Sada, A. Sakaguchi, F. Sakuma, M. Sato, A. Scordo, M. Sekimoto, H. Shi, D. Sirghi, F. Sirghi, K. Suzuki, S. Suzuki, T. Suzuki, K. Tanida, H. Tatsuno, M. Tokuda, D. Tomono, A. Toyoda, K. Tsukada, O. Vazquez Doce, E. Widmann, B. K. Wuenschek, T. Yamaga, T. Yamazaki, H. Yim, Q. Zhang, J. Zmeskal

Research output: Contribution to journalConference articlepeer-review

Abstract

The J-PARC E15 experiment searches for the simplest kaonic nuclear bound state, K-pp, via the 3He(K-,n) reaction at the K1.8BR beam-line in the J-PARC hadron experimental facility. We performed the first data-taking in May, 2013, with 5 × 109 incident kaons on the 3He target. The preliminary results are reported focusing on the forward-neutron spectrum, which shows a clear peak structure composed of the quasi-elastic K-"n" → K-n and the charge-exchange K-"p" → 0n reactions as expected.

Original languageEnglish
Article number012080
JournalJournal of Physics: Conference Series
Volume569
Issue number1
DOIs
Publication statusPublished - 2014
Event3rd International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2014 - Yokohama, Japan
Duration: 2014 May 262014 May 30

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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