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Semi-inclusive studies of semileptonic Bs decays at Belleopen access
- Authors
- Oswald, C.[Oswald, C.]; Urquijo, P.[Urquijo, P.]; Dingfelder, J.[Dingfelder, J.]; Abdesselam, A.[Abdesselam, A.]; Adachi, I.[Adachi, I.]; Aihara, H.[Aihara, H.]; Al Said, S.[Al Said, S.]; Asner, D.M.[Asner, D.M.]; Aushev, T.[Aushev, T.]; Ayad, R.[Ayad, R.]; Babu, V.[Babu, V.]; Badhrees, I.[Badhrees, I.]; Bakich, A.M.[Bakich, A.M.]; Bhardwaj, V.[Bhardwaj, V.]; Bobrov, A.[Bobrov, A.]; Bonvicini, G.[Bonvicini, G.]; Bozek, A.[Bozek, A.]; Bračko, M.[Bračko, M.]; Browder, T.E.[Browder, T.E.]; Červenkov, D.[Červenkov, D.]; Chang, M.-C.[Chang, M.-C.]; Chekelian, V.[Chekelian, V.]; Chen, A.[Chen, A.]; Cheon, B.G.[Cheon, B.G.]; Chilikin, K.[Chilikin, K.]; Cho, K.[Cho, K.]; Chobanova, V.[Chobanova, V.]; Choi, Y.[Choi, Y.]; Cinabro, D.[Cinabro, D.]; Dalseno, J.[Dalseno, J.]; DoleŽal, Z.[DoleŽal, Z.]; Drásal, Z.[Drásal, Z.]; Drutskoy, A.[Drutskoy, A.]; Dutta, D.[Dutta, D.]; Eidelman, S.[Eidelman, S.]; Farhat, H.[Farhat, H.]; Fast, J.E.[Fast, J.E.]; Ferber, T.[Ferber, T.]; Frost, O.[Frost, O.]; Fulsom, B.G.[Fulsom, B.G.]; Gaur, V.[Gaur, V.]; Gabyshev, N.[Gabyshev, N.]; Ganguly, S.[Ganguly, S.]; Garmash, A.[Garmash, A.]; Getzkow, D.[Getzkow, D.]; Gillard, R.[Gillard, R.]; Glattauer, R.[Glattauer, R.]; Goh, Y.M.[Goh, Y.M.]; Goldenzweig, P.[Goldenzweig, P.]; Golob, B.[Golob, B.]; Grzymkowska, O.[Grzymkowska, O.]; Hara, T.[Hara, T.]; Hasenbusch, J.[Hasenbusch, J.]; Hayasaka, K.[Hayasaka, K.]; Hayashii, H.[Hayashii, H.]; He, X.H.[He, X.H.]; Hou, W.-S.[Hou, W.-S.]; Huschle, M.[Huschle, M.]; Hyun, H.J.[Hyun, H.J.]; Iijima, T.[Iijima, T.]; Ishikawa, A.[Ishikawa, A.]; Itoh, R.[Itoh, R.]; Iwasaki, Y.[Iwasaki, Y.]; Jaegle, I.[Jaegle, I.]; Julius, T.[Julius, T.]; Kang, K.H.[Kang, K.H.]; Kapusta, P.[Kapusta, P.]; Kato, E.[Kato, E.]; Kawasaki, T.[Kawasaki, T.]; Kiesling, C.[Kiesling, C.]; Kim, D.Y.[Kim, D.Y.]; Kim, J.B.[Kim, J.B.]; Kim, J.H.[Kim, J.H.]; Kim, K.T.[Kim, K.T.]; Kim, M.J.[Kim, M.J.]; Kim, S.H.[Kim, S.H.]; Kim, Y.J.[Kim, Y.J.]; Kinoshita, K.[Kinoshita, K.]; Ko, B.R.[Ko, B.R.]; Kodyš, P.[Kodyš, P.]; Korpar, S.[Korpar, S.]; KriŽan, P.[KriŽan, P.]; Krokovny, P.[Krokovny, P.]; Kuhr, T.[Kuhr, T.]; Kumita, T.[Kumita, T.]; Kwon, Y.-J.[Kwon, Y.-J.]; Lange, J.S.[Lange, J.S.]; Lee, D.H.[Lee, D.H.]; Lee, I.S.[Lee, I.S.]; Li, Y.[Li, Y.]; Li Gioi, L.[Li Gioi, L.]; Libby, J.[Libby, J.]; Liventsev, D.[Liventsev, D.]; Lukin, P.[Lukin, P.]; Matvienko, D.[Matvienko, D.]; Miyata, H.[Miyata, H.]; Mizuk, R.[Mizuk, R.]; Mohanty, G.B.[Mohanty, G.B.]; Moll, A.[Moll, A.]; Moon, H.K.[Moon, H.K.]; Nakano, E.[Nakano, E.]; Nakao, M.[Nakao, M.]; Nakazawa, H.[Nakazawa, H.]; Nanut, T.[Nanut, T.]; Natkaniec, Z.[Natkaniec, Z.]; Nayak, M.[Nayak, M.]; Nishida, S.[Nishida, S.]; Nozaki, T.[Nozaki, T.]; Okuno, S.[Okuno, S.]; Pakhlov, P.[Pakhlov, P.]; Pakhlova, G.[Pakhlova, G.]; Park, C.W.[Park, C.W.]; Park, H.[Park, H.]; Pedlar, T.K.[Pedlar, T.K.]; Pesántez, L.[Pesántez, L.]; Pestotnik, R.[Pestotnik, R.]; Petrič, M.[Petrič, M.]; Piilonen, L.E.[Piilonen, L.E.]; Pulvermacher, C.[Pulvermacher, C.]; RibeŽl, E.[RibeŽl, E.]; Ritter, M.[Ritter, M.]; Rostomyan, A.[Rostomyan, A.]; Rozanska, M.[Rozanska, M.]; Ryu, S.[Ryu, S.]; Sakai, Y.[Sakai, Y.]; Sandilya, S.[Sandilya, S.]; Santelj, L.[Santelj, L.]; Sanuki, T.[Sanuki, T.]; Sato, Y.[Sato, Y.]; Savinov, V.[Savinov, V.]; Schneider, O.[Schneider, O.]; Schnell, G.[Schnell, G.]; Schwanda, C.[Schwanda, C.]; Semmler, D.[Semmler, D.]; Senyo, K.[Senyo, K.]; Seon, O.[Seon, O.]; Sevior, M.E.[Sevior, M.E.]; Shapkin, M.[Shapkin, M.]; Shebalin, V.[Shebalin, V.]; Shen, C.P.[Shen, C.P.]; Shibata, T.-A.[Shibata, T.-A.]; Shiu, J.-G.[Shiu, J.-G.]; Sibidanov, A.[Sibidanov, A.]; Simon, F.[Simon, F.]; Sohn, Y.-S.[Sohn, Y.-S.]; Solovieva, E.[Solovieva, E.]; Stanič, S.[Stanič, S.]; Starič, M.[Starič, M.]; Stypula, J.[Stypula, J.]; Sumihama, M.[Sumihama, M.]; Sumiyoshi, T.[Sumiyoshi, T.]; Tamponi, U.[Tamponi, U.]; Teramoto, Y.[Teramoto, Y.]; Trabelsi, K.[Trabelsi, K.]; Uchida, M.[Uchida, M.]; Unno, Y.[Unno, Y.]; Uno, S.[Uno, S.]; Usov, Y.[Usov, Y.]; Van Hulse, C.[Van Hulse, C.]; Vanhoefer, P.[Vanhoefer, P.]; Varner, G.[Varner, G.]; Vinokurova, A.[Vinokurova, A.]; Vorobyev, V.[Vorobyev, V.]; Vossen, A.[Vossen, A.]; Wagner, M.N.[Wagner, M.N.]; Wang, C.H.[Wang, C.H.]; Wang, M.-Z.[Wang, M.-Z.]; Wang, P.[Wang, P.]; Wang, X.L.[Wang, X.L.]; Watanabe, Y.[Watanabe, Y.]; Williams, K.M.[Williams, K.M.]; Won, E.[Won, E.]; Yamamoto, H.[Yamamoto, H.]; Yashchenko, S.[Yashchenko, S.]; Yook, Y.[Yook, Y.]; Zhang, Z.P.[Zhang, Z.P.]; Zhilich, V.[Zhilich, V.]; Zhulanov, V.[Zhulanov, V.]; Zupanc, A.[Zupanc, A.]
- Issue Date
- 2015
- Citation
- Physical Review D - Particles, Fields, Gravitation and Cosmology, v.92, no.7
- Journal Title
- Physical Review D - Particles, Fields, Gravitation and Cosmology
- Volume
- 92
- Number
- 7
- Abstract
- We present an analysis of the semi-inclusive decays Bs→Ds-Xℓ+ν and Bs→Ds∗-Xℓ+ν, where X denotes a final state that may consist of additional hadrons or photons and ℓ is an electron or muon. The studied Bs decays are contained in the 121.4fb-1 Υ(5S) data sample collected by the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fractions of the decays are measured to be B(Bs→Ds-Xℓ+ν)=[8.2±0.2(stat)±0.6(syst)±1.4(ext)]% and B(Bs→Ds∗-Xℓ+ν)=[5.4±0.4(stat)±0.4(syst)±0.9(ext)]%, where the first two uncertainties are statistical and systematic and the last is due to external parameters. The measurement also provides an estimate of the Bs(∗)B¯s(∗) production cross section, σ(e+e-→Bs(∗)B¯s(∗))=[53.8±1.4(stat)±4.0(syst)±3.4(ext)]pb, at the center-of-mass energy s=10.86GeV. © 2015 American Physical Society.
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