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- Sada, Y.Osaka University (author)
Structure near the K- + p + p threshold in the in-flight 3He(K-, Λp)n reaction
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2016-05-21
- Oxford University Press (OUP),2016
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- LIBRIS-ID:oai:lup.lub.lu.se:5e5d7e0c-d8e9-49ed-b136-320c00f55ccb
- https://lup.lub.lu.se/record/5e5d7e0c-d8e9-49ed-b136-320c00f55ccbURI
- https://doi.org/10.1093/ptep/ptw040DOI
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- Language:English
- Summary in:English
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- To search for an S = -1 di-baryonic state which decays toΛp, the 3He(K-,Λp)nmissing reaction was studied at 1.0 GeV/c. Unobserved neutrons were kinematically identified from the missing mass MX of the 3He (K-,Λp) X reaction in order to have a large acceptance for the Λpn final state. The observed Λpn events, distributed widely over the kinematically allowed region of the Dalitz plot, establish that the major component comes from a three-nucleon absorption process. A concentration of events at a specific neutron kinetic energy was observed in a region of low momentum transfer to the Λp. To account for the observed peak structure, the simplest S-wave polewas assumed to exist in the reaction channel, having a Breit-Wigner formin energy and with a Gaussian form factor. A minimum X2 method was applied to deduce its mass, MX = 2355+6 -8 (stat.) ±12 (syst.)MeV/c2, and decay width, γX = 110+19 -17 (stat.) ±27 (syst.)MeV/c2, respectively. The form factor parameter QX ∼ 400MeV/c implies that the range of the interaction is about 0.5 fm.
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- Ajimura, S.Osaka University (author)
- Bazzi, MohamadINFN Frascati National Laboratory (author)
- Beer, G.University of Victoria (author)
- Bhang, H.Seoul National University (author)
- Bragadireanu, M.Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH) (author)
- Buehler, P. (author)
- Busso, L.Citta' della Salute e della Scienza Hospital-University of Turin (author)
- Cargnelli, M. (author)
- Choi, SSeoul National University (author)
- Curceanu, C. (author)
- Enomoto, S. (author)
- Faso, D.Citta' della Salute e della Scienza Hospital-University of Turin (author)
- Fujioka, H (author)
- Fujiwara, YuukiUniversity of Tokyo (author)
- Fukuda, Tetsuya (author)
- Guaraldo, C. (author)
- Hashimoto, T. (author)
- Hayano, R. S.University of Tokyo (author)
- Hiraiwa, T. (author)
- Iio, M. (author)
- Iliescu, M. (author)
- Inoue, K. (author)
- Ishiguro, Y. (author)
- Ishikawa, T.University of Tokyo (author)
- Ishimoto, S. (author)
- Ishiwatari, T. (author)
- Itahashi, K (author)
- Iwai, M. (author)
- Iwasaki, M. (author)
- Kato, Y (author)
- Kawasaki, S. (author)
- Kienle, P.Technical University of Munich (author)
- Hong-Kou, Li (author)
- Ma, Y. (author)
- Marton, J. (author)
- Matsuda, Y.University of Tokyo (author)
- Mizoi, Y. (author)
- Morra, O. (author)
- Nagae, T. (author)
- Noumi, H. (author)
- Ohnishi, H (author)
- Okada, S. (author)
- Outa, H. (author)
- Piscicchia, K. (author)
- Romero Vidal, A. (author)
- Sakaguchi, A (author)
- Sakuma, F. (author)
- Sato, Miyuki (author)
- Scordo, A. (author)
- Sekimoto, M (author)
- Shi, Hongqi (author)
- Sirghi, D. (author)
- Sirghi, F. (author)
- Suzuki, K. (author)
- Suzuki, S (author)
- Suzuki, T.University of Tokyo (author)
- Tanida, K. (author)
- Tatsuno, H.Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)hi2364ta (author)
- Tokuda, M. (author)
- Tomono, D. (author)
- Toyoda, A. (author)
- Tsukada, K. (author)
- Vazquez Doce, O.Technical University of Munich (author)
- Widmann, E. (author)
- Wuenschek, B. K. (author)
- Yamaga, Takumi (author)
- Yamazaki, T.RIKEN Nishina Center for Accelerator-Based Science,University of Tokyo (author)
- Yim, Seon-Hee (author)
- Zhang, Q.RIKEN Nishina Center for Accelerator-Based Science (author)
- Zmeskal, J.Stefan Meyer Institute for Subatomic Physics (SMI) (author)
- Osaka UniversityINFN Frascati National Laboratory (creator_code:org_t)
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- In:Progress of Theoretical and Experimental Physics: Oxford University Press (OUP)2016:52050-3911
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- Buehler, P.
- Busso, L.
- Cargnelli, M.
- Choi, S
- Curceanu, C.
- Enomoto, S.
- Faso, D.
- Fujioka, H
- Fujiwara, Yuuki
- Fukuda, Tetsuya
- Guaraldo, C.
- Hashimoto, T.
- Hayano, R. S.
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- Iio, M.
- Iliescu, M.
- Inoue, K.
- Ishiguro, Y.
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- Kienle, P.
- Hong-Kou, Li
- Ma, Y.
- Marton, J.
- Matsuda, Y.
- Mizoi, Y.
- Morra, O.
- Nagae, T.
- Noumi, H.
- Ohnishi, H
- Okada, S.
- Outa, H.
- Piscicchia, K.
- Romero Vidal, A.
- Sakaguchi, A
- Sakuma, F.
- Sato, Miyuki
- Scordo, A.
- Sekimoto, M
- Shi, Hongqi
- Sirghi, D.
- Sirghi, F.
- Suzuki, K.
- Suzuki, S
- Suzuki, T.
- Tanida, K.
- Tatsuno, H.
- Tokuda, M.
- Tomono, D.
- Toyoda, A.
- Tsukada, K.
- Vazquez Doce, O.
- Widmann, E.
- Wuenschek, B. K.
- Yamaga, Takumi
- Yamazaki, T.
- Yim, Seon-Hee
- Zhang, Q.
- Zmeskal, J.
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