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Evidence for B+ -> h(c)K(+) and observation of eta(c()2S) -> p(p)over-bar pi(+)pi(-)
- Authors
- Chilikin, K.; Adachi, I; Asner, D. M.; Aulchenko, V; Aushev, T.; Ayad, R.; Babu, V; Badhrees, I; Bansal, V; Behera, P.; Beleno, C.; Berger, M.; Bhardwaj, V; Bilka, T.; Biswal, J.; Bobrov, A.; Bondar, A.; Bozek, A.; Bracko, M.; Browder, T. E.; Campajola, M.; Cao, L.; Cervenkov, D.; Chekelian, V; Chen, A.; Cheon, B. G.; Cho, K.; Choi, S-K; Choi, Y.; Cinabro, D.; Cunliffe, S.; Di Carlo, S.; Dolezal, Z.; Dong, T., V; Eidelman, S.; Epifanov, D.; Fast, J. E.; Ferber, T.; Fulsom, B. G.; Garg, R.; Gaur, V; Gabyshev, N.; Garmash, A.; Gelb, M.; Giri, A.; Goldenzweig, P.; Grzymkowska, O.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hou, W-S; Hsu, C-L; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jia, S.; Jin, Y.; Joffe, D.; Joo, K. K.; Julius, T.; Kaliyar, A. B.; Karyan, G.; Kato, Y.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, S. H.; Kinoshita, K.; Kodys, P.; Korpar, S.; Kotchetkov, D.; Kroeger, R.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kwon, Y-J; Lalwani, K.; Lange, J. S.; Lee, J. K.; Lee, J. Y.; Lee, S. C.; Li, L. K.; Li, Y. B.; Li Gio, L.; Libby, J.; Liventsev, D.; Lu, P-C; Luo, T.; MacNaughton, J.; MacQueen, C.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Miyabayashi, K.; Mizuk, R.; Mohanty, G. B.; Mori, T.; Nakao, M.; Nath, K. J.; Nayak, M.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Ono, H.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Pardi, S.; Park, H.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Popov, V; Ritter, M.; Rostomyan, A.; Russo, G.; Sakai, Y.; Salehi, M.; Sandilya, S.; Sanuki, T.; Savinov, V; Schneider, O.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shen, C. P.; Shiu, J-G; Shwartz, B.; Simon, F.; Sokolov, A.; Solovieva, E.; Staric, M.; Stottler, Z. S.; Strube, J. F.; Sumiyoshi, T.; Sutcliffe, W.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uno, S.; Urquijo, P.; Usov, Y.; Van Tonder, R.; Varner, G.; Vinokurova, A.; Wang, B.; Wang, C. H.; Wang, M-Z; Wang, P.; Watanabe, M.; Watanuki, S.; Won, E.; Yang, S. B.; Ye, H.; Yelton, J.; Yin, J. H.; Yuan, C. Z.; Zhang, J.; Zhang, Z. P.; Zhilich, V; Zhukova, V
- Issue Date
- 10-7월-2019
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.100, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 100
- Number
- 1
- ISSN
- 2470-0010
- Abstract
- A search for the decays B+ -> h(c)K(+) and B-0 -> h(c)K(S)(0) is performed. Evidence for the decay B+ -> h(c)K(+) is found; its significance is 4.8 sigma. No evidence is found for B-0 -> h(c)K(S)(0). The branching fraction for B+ -> h(c)K(+) is measured to be (3.7(-0.9 -0.8)(+1.0 +038)) x 10(-5); the upper limit for the B-0 -> h(c)K(S)(0) branching fraction is 1.4 x 10(-5) at 90% C. L. In addition, a study of the p (p) over bar pi(+pi-) invariant mass distribution in the channel B+ -> (p (p) over bar (+)pi(-))K+ results in the first observation of the decay eta(c)(2S) -> p (p) over bar pi(+)pi(-) with 12.1 sigma significance. The analysis is based on the 711 fb(-1) data sample collected by the Belle detector at the asymmetric- energy e(+)e(-) collider KEKB at the gamma(4S) resonance.
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