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Observation of an alternative chi(c0)(2P) candidate in e(+)e(-)-> J/psi D(D)over-bar

Authors
Chilikin, K.Adachi, I.Aihara, H.Al Said, S.Asner, D. M.Aulchenko, V.Ayad, R.Babu, V.Badhrees, I.Bakich, A. M.Bansal, V.Barberio, E.Besson, D.Bhardwaj, V.Bhuyan, B.Biswal, J.Bobrov, A.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chekelian, V.Chen, A.Cheon, B. G.Cho, K.Choi, Y.Cinabro, D.Dash, N.Di Carlo, S.Dolezal, Z.Drasal, Z.Dutta, D.Eidelman, S.Farhat, H.Fast, J. E.Ferber, T.Fulsom, B. G.Gaur, V.Gabyshev, N.Garmash, A.Gillard, R.Goldenzweig, P.Haba, J.Hara, T.Hayasaka, K.Hou, W. -S.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, Y.Jacobs, W. W.Jaegle, I.Jeon, H. B.Jin, Y.Joffe, D.Joo, K. K.Julius, T.Kang, K. H.Karyan, G.Katrenko, P.Kim, D. Y.Kim, H. J.Kim, J. B.Kim, K. T.Kim, M. J.Kim, S. H.Kim, Y. J.Kinoshita, K.Kodys, P.Korpar, S.Kotchetkov, D.Krizan, P.Krokovny, P.Kuhr, T.Kulasiri, R.Kuzmin, A.Kwon, Y. -J.Lange, J. S.Li, L.Gioi, L. LiLibby, J.Liventsev, D.Lubej, M.Luo, T.Masuda, M.Matsuda, T.Matvienko, D.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, G. B.Moon, H. K.Mori, T.Mussa, R.Nakano, E.Nakao, M.Nanut, T.Nath, K. J.Natkaniec, Z.Nayak, M.Niiyama, M.Nisar, N. K.Nishida, S.Ogawa, S.Okuno, S.Olsen, S. L.Ono, H.Pakhlov, P.Pakhlova, G.Pal, B.Pardi, S.Park, H.Paul, S.Pestotnik, R.Piilonen, L. E.Pulvermacher, C.Ritter, M.Sahoo, H.Sakai, Y.Salehi, M.Sandilya, S.Santelj, L.Sanuki, T.Schneider, O.Schnell, G.Schwanda, C.Seino, Y.Senyo, K.Seon, O.Sevior, M. E.Shebalin, V.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Sokolov, A.Solovieva, E.Staric, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Trabelsi, K.Uchida, M.Uehara, S.Uglov, T.Uno, S.Usov, Y.Van Hulse, C.Varner, G.Vinokurova, A.Vossen, A.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, M.Watanabe, Y.Widmann, E.Won, E.Yamamoto, H.Yamashita, Y.Ye, H.Yuan, C. Z.Yusa, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.
Issue Date
16-6월-2017
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.95, no.11
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
95
Number
11
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/83111
DOI
10.1103/PhysRevD.95.112003
ISSN
2470-0010
Abstract
We perform a full amplitude analysis of the process e(+)e(-)-> J/psi D (D) over bar, where D refers to either D-0 or D+. A new charmoniumlike state X*(3860) that decays to D (D) over bar is observed with a significance of 6.5 sigma. Its mass is (3862(-32)(+26) (+40)(-13) )MeV= c(2), and its width is (201(-67) (+154)(-82) (+88)) MeV. The J(PC) = 0(++) hypothesis is favored over the 2(++) hypothesis at the level of 2.5s. The analysis is based on the 980 fb(-1) data sample collected by the Belle detector at the asymmetric-energy e(+)e(-)collider KEKB.
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