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  • Study of e+e- => B() B()-bar pi+- at sqrt(s)=10.866 GeV
    Garmash, A; Adachi, I; Aushev, T; Ayad, R; Aziz, T; Babu, V; Badhrees, I; Bakich, A M; Behera, P; Bhardwaj, V; Bhuyan, B; Bobrov, A; Bozek, A; Bracko, M; Browder, T E; Chen, A; Chilikin, K; Chobanova, V; Choi, Y; Dalseno, J; Danilov, M; Dolezal, Z; Eidelman, S; Epifanov, D; Farhat, H; Ferber, T; Gaur, V; Gabyshev, N; Goh, Y M; Goldenzweig, P; Golob, B; Hara, T; Hayasaka, K; Iijima, T; Itoh, R; Joffe, D; Joo, K K; Julius, T; Kang, K H; Kawasaki, T; Kim, D Y; Kim, K T; Kim, M J; Kim, Y J; Kinoshita, K; Lee, I S; Libby, J; Liventsev, D; Lukin, P; Matvienko, D; Miyabayashi, K; Miyata, H; Mizuk, R; Natkaniec, Z; Nishida, S; Olsen, S L; Pakhlova, G; Pal, B; Pestotnik, R; Piilonen, L E; Pulvermacher, C; Ribezl, E; Ritter, M; Rostomyan, A; Sahoo, H; Sakai, Y; Sandilya, S; Savinov, V; Schnell, G; Schwanda, C; Seino, Y; Semmler, D; Senyo, K; Seong, I S; Sevior, M E; T -A Shibata; J -G Shiu; Simon, F; Y -S Sohn; Solovieva, E; Staric, M; Sumiyoshi, T; Tamponi, U; Teramoto, Y; Uchida, M; Uehara, S; C Van Hulse; Varner, G; Wagner, M N; Wang, C H; Wang, P; Watanabe, Y; Williams, K M; Yamaoka, J; Yashchenko, S; Yook, Y; Yuan, C Z; Zhilich, V; Zhulanov, V; Zupanc, A

    arXiv.org, 12/2015
    Paper, Journal Article

    We report the analysis of the three-body e+e- => B B-bar pi, B B*-bar pi, and B* B*-bar pi processes, including the first observation of the Zb+-(10610) =>B B*-bar+c.c.+- and Zb+-(10650) => B*B*-bar+- transitions. We measure visible cross sections for the three-body production of sigma_vis(e+e- => B B*-bar+c.c.+-pi-+=(11.2+-1.0(stat.)+-1.2(syst.)) pb and sigma_vis(e+e- => B*B*-bar+-pi-+)=(5.61+-0.73(stat.)+-0.66(syst.)) pb and set a 90% C.L. upper limit of sigma_vis(e+e- => BB-bar+-pi-+)<2.1 pb. The results are based on a 121.4 1/fb data sample collected with the Belle detector at a center-of-mass energy near the Y(5S) peak.

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