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.
Original language | English |
---|---|
Article number | 072013 |
Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
Volume | 92 |
Issue number | 7 |
DOIs | |
Publication status | Published - 2015 Oct 22 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)
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Semi-inclusive studies of semileptonic Bs decays at Belle. / Oswald, C.; Urquijo, P.; Dingfelder, J.; Abdesselam, A.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D. M.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bakich, A. M.; Bhardwaj, V.; Bobrov, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D.; Chang, M. C.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, D.; Dalseno, J.; DoleŽal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Frost, O.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Garmash, A.; Getzkow, D.; Gillard, R.; Glattauer, R.; Goh, Y. M.; Goldenzweig, P.; Golob, B.; Grzymkowska, O.; Hara, T.; Hasenbusch, J.; Hayasaka, K.; Hayashii, H.; He, X. H.; Hou, W. S.; Huschle, M.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Julius, T.; Kang, K. H.; Kapusta, P.; Kato, E.; Kawasaki, T.; Kiesling, C.; Kim, D. Y.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodyš, P.; Korpar, S.; KriŽan, P.; Krokovny, P.; Kuhr, T.; Kumita, T.; Kwon, Y. J.; Lange, J. S.; Lee, D. H.; Lee, I. S.; Li, Y.; Li Gioi, L.; Libby, J.; Liventsev, D.; Lukin, P.; Matvienko, D.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Moon, H. K.; Nakano, E.; Nakao, M.; Nakazawa, H.; Nanut, T.; Natkaniec, Z.; Nayak, M.; Nishida, S.; Nozaki, T.; Okuno, S.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Pedlar, T. K.; Pesántez, L.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Pulvermacher, C.; RibeŽl, E.; Ritter, M.; Rostomyan, A.; Rozanska, M.; Ryu, S.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Semmler, D.; Senyo, K.; Seon, O.; Sevior, M. E.; Shapkin, M.; Shebalin, V.; Shen, C. P.; Shibata, T. A.; Shiu, J. G.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Solovieva, E.; Stanič, S.; Starič, M.; Stypula, J.; Sumihama, M.; Sumiyoshi, T.; Tamponi, U.; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Unno, Y.; Uno, S.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vorobyev, V.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamamoto, H.; Yashchenko, S.; Yook, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 92, No. 7, 072013, 22.10.2015.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Semi-inclusive studies of semileptonic Bs decays at Belle
AU - Oswald, C.
AU - Urquijo, P.
AU - Dingfelder, J.
AU - Abdesselam, A.
AU - Adachi, I.
AU - Aihara, H.
AU - Al Said, S.
AU - Asner, D. M.
AU - Aushev, T.
AU - Ayad, R.
AU - Babu, V.
AU - Badhrees, I.
AU - Bakich, A. M.
AU - Bhardwaj, V.
AU - Bobrov, A.
AU - Bonvicini, G.
AU - Bozek, A.
AU - Bračko, M.
AU - Browder, T. E.
AU - Červenkov, D.
AU - Chang, M. C.
AU - Chekelian, V.
AU - Chen, A.
AU - Cheon, B. G.
AU - Chilikin, K.
AU - Cho, K.
AU - Chobanova, V.
AU - Choi, Y.
AU - Cinabro, D.
AU - Dalseno, J.
AU - DoleŽal, Z.
AU - Drásal, Z.
AU - Drutskoy, A.
AU - Dutta, D.
AU - Eidelman, S.
AU - Farhat, H.
AU - Fast, J. E.
AU - Ferber, T.
AU - Frost, O.
AU - Fulsom, B. G.
AU - Gaur, V.
AU - Gabyshev, N.
AU - Ganguly, S.
AU - Garmash, A.
AU - Getzkow, D.
AU - Gillard, R.
AU - Glattauer, R.
AU - Goh, Y. M.
AU - Goldenzweig, P.
AU - Golob, B.
AU - Grzymkowska, O.
AU - Hara, T.
AU - Hasenbusch, J.
AU - Hayasaka, K.
AU - Hayashii, H.
AU - He, X. H.
AU - Hou, W. S.
AU - Huschle, M.
AU - Hyun, H. J.
AU - Iijima, T.
AU - Ishikawa, A.
AU - Itoh, R.
AU - Iwasaki, Y.
AU - Jaegle, I.
AU - Julius, T.
AU - Kang, K. H.
AU - Kapusta, P.
AU - Kato, E.
AU - Kawasaki, T.
AU - Kiesling, C.
AU - Kim, D. Y.
AU - Kim, J. B.
AU - Kim, J. H.
AU - Kim, K. T.
AU - Kim, M. J.
AU - Kim, S. H.
AU - Kim, Y. J.
AU - Kinoshita, K.
AU - Ko, B. R.
AU - Kodyš, P.
AU - Korpar, S.
AU - KriŽan, P.
AU - Krokovny, P.
AU - Kuhr, T.
AU - Kumita, T.
AU - Kwon, Y. J.
AU - Lange, J. S.
AU - Lee, D. H.
AU - Lee, I. S.
AU - Li, Y.
AU - Li Gioi, L.
AU - Libby, J.
AU - Liventsev, D.
AU - Lukin, P.
AU - Matvienko, D.
AU - Miyata, H.
AU - Mizuk, R.
AU - Mohanty, G. B.
AU - Moll, A.
AU - Moon, H. K.
AU - Nakano, E.
AU - Nakao, M.
AU - Nakazawa, H.
AU - Nanut, T.
AU - Natkaniec, Z.
AU - Nayak, M.
AU - Nishida, S.
AU - Nozaki, T.
AU - Okuno, S.
AU - Pakhlov, P.
AU - Pakhlova, G.
AU - Park, C. W.
AU - Park, H.
AU - Pedlar, T. K.
AU - Pesántez, L.
AU - Pestotnik, R.
AU - Petrič, M.
AU - Piilonen, L. E.
AU - Pulvermacher, C.
AU - RibeŽl, E.
AU - Ritter, M.
AU - Rostomyan, A.
AU - Rozanska, M.
AU - Ryu, S.
AU - Sakai, Y.
AU - Sandilya, S.
AU - Santelj, L.
AU - Sanuki, T.
AU - Sato, Y.
AU - Savinov, V.
AU - Schneider, O.
AU - Schnell, G.
AU - Schwanda, C.
AU - Semmler, D.
AU - Senyo, K.
AU - Seon, O.
AU - Sevior, M. E.
AU - Shapkin, M.
AU - Shebalin, V.
AU - Shen, C. P.
AU - Shibata, T. A.
AU - Shiu, J. G.
AU - Sibidanov, A.
AU - Simon, F.
AU - Sohn, Y. S.
AU - Solovieva, E.
AU - Stanič, S.
AU - Starič, M.
AU - Stypula, J.
AU - Sumihama, M.
AU - Sumiyoshi, T.
AU - Tamponi, U.
AU - Teramoto, Y.
AU - Trabelsi, K.
AU - Uchida, M.
AU - Unno, Y.
AU - Uno, S.
AU - Usov, Y.
AU - Van Hulse, C.
AU - Vanhoefer, P.
AU - Varner, G.
AU - Vinokurova, A.
AU - Vorobyev, V.
AU - Vossen, A.
AU - Wagner, M. N.
AU - Wang, C. H.
AU - Wang, M. Z.
AU - Wang, P.
AU - Wang, X. L.
AU - Watanabe, Y.
AU - Williams, K. M.
AU - Won, E.
AU - Yamamoto, H.
AU - Yashchenko, S.
AU - Yook, Y.
AU - Zhang, Z. P.
AU - Zhilich, V.
AU - Zhulanov, V.
AU - Zupanc, A.
N1 - Publisher Copyright: © 2015 American Physical Society. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2015/10/22
Y1 - 2015/10/22
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=84945283347&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84945283347&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.92.072013
DO - 10.1103/PhysRevD.92.072013
M3 - Article
AN - SCOPUS:84945283347
VL - 92
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 0556-2821
IS - 7
M1 - 072013
ER -