Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.

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Title:	Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.
Authors:	陳鎰鋒;Chilikin, K.;Mizuk, R.;Aihara, H.;Aziz, T.;Bakich, A. M.;Bondar, A.;Bonvicini, G.;Chekelian, V.;Chen, A.;Cheon, B. G.;Chistov, R.;Chobanova, V.;Choi, S.-K.;Choi, Y.;Cinabro, D.;Danilov, M.;Doležal, Z.;Drásal, Z.;Farhat, H.;Fast, J. E.;Frost, O.;Gaur, V.;Gabyshev, N.;Ganguly, S.;Gillard, R.;Haba, J.;Hara, T.;Hayasaka, K.;Hayashii, H.;He, X. H.;Hyun, H. J.;Iwasaki, Y.;Jaegle, I.;Joo, K. K.;Julius, T.;Kawasaki, T.;Kim, D. Y.;Kim, H. J.;Kim, J. H.;Kinoshita, K.;Korpar, S.;Kuzmin, A.;Kwon, Y.-J.;Lange, J. S.;Li, Y.;Libby, J.;Liventsev, D.;Lukin, P.;Miyabayashi, K.;Miyata, H.;Mohanty, G. B.;Mussa, R.;Nakano, E.;Nanut, T.;Nedelkovska, E.;Nisar, N. K.;Nishida, S.;Okuno, S.;Olsen, S. L.;Pakhlova, G.;Park, C. W.;Park, H.;Petrič, M.;Ribežl, E.;Ritter, M.;Santelj, L.;Sanuki, T.;Sato, Y.;Savinov, V.;Schneider, O.;Schnell, G.;Schwanda, C.;Seon, O.;Shebalin, V.;Shwartz, B.;Sibidanov, A.;Simon, F.;Sohn, Y.-S.;Solovieva, E.;Starič, M.;Steder, M.;Sumisawa, K.;Sumiyoshi, T.;Tanida, K.;Tatishvili, G.;Teramoto, Y.;Thorne, F.;Trabelsi, K.;Uchida, M.;Uehara, S.;Unno, Y.;Uno, S.;Urquijo, P.;Hulse, C. Van;Vinokurova, A.;Wagner, M. N.;Wang, M.-Z.;Wang, X. L.;Zhilich, V.;Zupanc, A.
Contributors:	理學院物理學系
Keywords:	ddc:530;info:eu-repo/classification/ddc/530;Physics
Date:	2014-12-16
Issue Date:	2026-04-23 12:33:25 (UTC+8)
Publisher:	American Physical Society;American Physical Society (APS)
Abstract:	摘要： We present the results of an amplitude analysis of B-0 --> J/psi K- pi(+) decays. A new charged charmoniumlike state Z(c)(4200)(+) decaying to J/psi pi(+) is observed with a significance of 6.2 sigma. The mass and width of the Z(c)(4200)(+) are 4196(-29-13)(+31+17) MeV/c(2) and 370(-70-132)(+70+70) MeV, respectively; the preferred assignment of the quantum numbers is J(P) = 1(+). In addition, we find evidence for Z(c)(4430)(+) --> J/psi pi(+). The analysis is based on a 711 fb(-1) data sample collected by the Belle detector at the asymmetric-energy e(+)e(-) collider KEKB. 出版者： American Physical Society (APS) 出版日期： 2014-12-16 出處： Physical Review D, 2014-12, Vol.90 (11) 識別號： ISSN: 1550-7998 識別號： DOI: 10.1103/physrevd.90.112009
Appears in Collections:	[Department of Physics] journal & Dissertation

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