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新山 雅之 所属 京都産業大学 理学部 物理科学科 職種 教授 |
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| 発行・発表の年月 | 2013 |
| 形態種別 | 研究論文（国際会議プロシーディングス） |
| 査読 | 査読あり |
| 標題 | Study of kaonic nuclei by the d(φ+;K+) reaction at J-PARC |
| 執筆形態 | その他 |
| 掲載誌名 | Proceedings of Science |
| 著者・共著者 | Ichikawa Y,Bhang H.C,Bufalino S,Ekawa H,Evtoukhovitch P,Feliciello A,Fujioka H,Hasegawa S,Hayakawa S,Honda R,Hosomi K,Imai K,Ishimoto S,Joo W.C,Kanatsuki S,Kiuchi R,Koike T,Kumawat H,Matsumoto Y,Miwa K,Nagae T,Naruki M,Niiyama M,Nozawa Y,Ota R,Sakaguchi A,Sako H,Samoilov V,Sato S,Shirotori K,Sugimura H,Suzuki S,Takahashi T,Takahashi T.N,Tamura H,Tanaka T,Tanida K,Tokiyasu A.O,Tsamalaidze Z,Roy B.J,Ukai M,Yamamoto T.O,Yang S |
| 概要 | An experimental search for the K-pp bound state, which is considered the simplest kaonic nucleus, is performed by using the d(φ +Kφ +) reaction at J-PARC K1.8 beam line (J-PARC E27 experiment). The first data taking as a pilot run was carried out in June, 2012. The missing-mass spectrum of this reaction studied at the beam momentum of 1.7 GeV/c, which allows the production of (1405), was obtained for the first time and a significant peak shift by ∼40 MeV was observed in the Y∗ region. In a preliminary proton-coincidence analysis, a sharp spike due to the ∼N-\λN coupling and a broad enhancement around 2.3 GeV/c2, which might be attributed to the K-pp bound state, was clearly observed. |
| ISSN | /1824-8039 |
| Put Code(ORCID) | 34128257 |
| PermalinkURL | http://www.scopus.com/inward/record.url?eid=2-s2.0-85019508179&partnerID=MN8TOARS |
| researchmap用URL | http://orcid.org/0000-0001-8653-3761 |