Evidence for a vector charmonium-like state in $e^+e^- \to D^+_sD^*_{s2}(2573)^-+c.c.$
- Jia, S.
- Shen, C. P.
- Behera, P.
- Mori, T.
- Mrvar, M.
- Nakao, M.
- Nayak, M.
- Nisar, N. K.
- Nishida, S.
- Ogawa, S.
- Ono, H.
- Oskin, P.
- Pakhlov, P.
- Belous, K.
- Pakhlova, G.
- Pardi, S.
- Patra, S.
- Paul, S.
- Pedlar, T. K.
- Pestotnik, R.
- Piilonen, L. E.
- Podobnik, T.
- Popov, V.
- Prencipe, E.
- Bennett, J.
- Prim, M. T.
- Rostomyan, A.
- Rout, N.
- Russo, G.
- Sakai, Y.
- Sandilya, S.
- Santelj, L.
- Sanuki, T.
- Savinov, V.
- Schnell, G.
- Besson, D.
- Schueler, J.
- Schwanda, C.
- Seino, Y.
- Senyo, K.
- Sevior, M. E.
- Shapkin, M.
- Shebalin, V.
- Shiu, J.-G.
- Shwartz, B.
- Solovieva, E.
- Bhardwaj, V.
- Stanič, S.
- Starič, M.
- Stottler, Z. S.
- Strube, J. F.
- Sumihama, M.
- Sumiyoshi, T.
- Sutcliffe, W.
- Takizawa, M.
- Tanida, K.
- Tenchini, F.
- Bilka, T.
- Uchida, M.
- Uglov, T.
- Unno, Y.
- Uno, S.
- Usov, Y.
- Van Tonder, R.
- Varner, G.
- Vinokurova, A.
- Wang, C. H.
- Wang, E.
- Biswal, J.
- Wang, M.-Z.
- Wang, P.
- Wang, X. L.
- Watanabe, M.
- Won, E.
- Xu, X.
- Yan, W.
- Yang, S. B.
- Ye, H.
- Yuan, C. Z.
- Bonvicini, G.
- Yusa, Y.
- Zhang, Z. P.
- Zhilich, V.
- Zhukova, V.
- Zhulanov, V.
- Belle Collaboration
- Bozek, A.
- Bračko, M.
- Adachi, I.
- Browder, T. E.
- Campajola, M.
- Červenkov, D.
- Chang, P.
- Chen, A.
- Cheon, B. G.
- Chilikin, K.
- Cho, K.
- Choi, S.-K.
- Choi, Y.
- Aihara, H.
- Choudhury, S.
- Cinabro, D.
- Dash, N.
- De Nardo, G.
- Di Capua, F.
- Doležal, Z.
- Dong, T. V.
- Eidelman, S.
- Epifanov, D.
- Fast, J. E.
- Al Said, S.
- Ferber, T.
- Ferlewicz, D.
- Fulsom, B. G.
- Garg, R.
- Gaur, V.
- Gabyshev, N.
- Garmash, A.
- Giri, A.
- Goldenzweig, P.
- Golob, B.
- Asner, D. M.
- Grzymkowska, O.
- Hartbrich, O.
- Hayasaka, K.
- Hayashii, H.
- Hou, W.-S.
- Hsu, C.-L.
- Inami, K.
- Inguglia, G.
- Ishikawa, A.
- Itoh, R.
- Atmacan, H.
- Iwasaki, M.
- Iwasaki, Y.
- Jeon, H. B.
- Jin, Y.
- Joo, K. K.
- Karyan, G.
- Kawasaki, T.
- Kiesling, C.
- Kim, B. H.
- Kim, D. Y.
- Aulchenko, V.
- Kim, K.-H.
- Kim, S. H.
- Kim, Y.-K.
- Kinoshita, K.
- Kodyš, P.
- Korpar, S.
- Kotchetkov, D.
- Križan, P.
- Kroeger, R.
- Krokovny, P.
- Ayad, R.
- Kulasiri, R.
- Kuzmin, A.
- Kwon, Y.-J.
- Lalwani, K.
- Lange, J. S.
- Lee, S. C.
- Li, L. K.
- Li, Y. B.
- Li Gioi, L.
- Libby, J.
- Badhrees, I.
- Lieret, K.
- Liventsev, D.
- MacNaughton, J.
- MacQueen, C.
- Masuda, M.
- Matsuda, T.
- Matvienko, D.
- Merola, M.
- Mizuk, R.
- Moon, T. J.
DOIAbstract
We report the measurement of e+e-→Ds+Ds2*(2573)-+c.c. via initial-state radiation using a data sample of an integrated luminosity of 921.9 fb-1 collected with the Belle detector at the ϒ(4S) and nearby. We find evidence for an enhancement with a 3.4σ significance in the invariant mass of Ds+Ds2*(2573)-+c.c. The measured mass and width are (4619.8-8.0+8.9(stat.)±2.3(syst.)) MeV/c2 and (47.0-14.8+31.3(stat.)±4.6(syst.)) MeV, respectively. The mass, width, and quantum numbers of this enhancement are consistent with the charmoniumlike state at 4626 MeV/c2 recently reported by Belle in e+e-→Ds+Ds1(2536)-+c.c. The product of the e+e-→Ds+Ds2*(2573)-+c.c. cross section and the branching fraction of Ds2*(2573)-→D¯0K- is measured from Ds+Ds2*(2573)- ...
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