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Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method
Hara, K; Iijima, T; Aihara, H; Aulchenko, V; Aushev, T; Aziz, T; Bakich, AM; Barberio, E; Belous, K; Bischofberger, M; Bondar, A; Bozek, A; Bracko, M; Browder, TE; Chang, P; Chao, Y; Chen, A; Cheon, BG; Chiang, CC; Cho, IS; Choi, Y; Dalseno, J; Danilov, M; Dolezal, Z; Dungel, W; Eidelman, S; Gabyshev, N; Goldenzweig, P; Golob, B; Ha, H; Hasegawa, Y; Hayasaka, K; Hayashii, H; Horii, Y; Hoshi, Y; Hsiung, YB; Hyun, HJ; Inami, K; Iwabuchi, M; Iwasaki, Y; Julius, T; Kang, JH; Kawai, H; Kawasaki, T; Kichimi, H; Kiesling, C; Kim, HJ; Kim, HO; Kim, JH; Kim, MJ; Kim, YJ; Kinoshita, K; Ko, BR; Kodys, P; Korpar, S; Kreps, M; Krizan, P; Krokovny, P; Kuhr, T; Kumita, T; Kuzmin, A; Kwon, YJ; Kyeong, SH; Lee, MJ; Lee, SH; Li, J; Limosani, A; Liu, Y; Liventsev, D; Louvot, R; Matyja, A; McOnie, S; Miyabayashi, K; Miyata, H; Miyazaki, Y; Mohanty, GB; Mori, T; Nakano, E; Nakao, M; Nakazawa, H; Neubauer, S; Nishida, S; Nishimura, K; Nitoh, O; Nozaki, T; Ogawa, S; Ohshima, T; Okuno, S; Olsen, SL; Ozaki, H; Pakhlova, G; Park, CW; Park, HK; Pestotnik, R; Petric, M; Piilonen, LE; Prim, M; Rozanska, M; Ryu, S; Sahoo, H; Sakai, Y; Schneider, O; Schumann, J; Schwanda, C; Schwartz, AJ; Senyo, K; Sevior, ME; Shapkin, M; Shibuya, H; Shiu, JG; Shwartz, B; Singh, JB; Smerkol, P; Solovieva, E; Stanic, S; Staric, M; Sumisawa, K; Sumiyoshi, T; Teramoto, Y; Tikhomirov, I; Trabelsi, K; Uehara, S; Uglov, T; Unno, Y; Uno, S; Ushiroda, Y; Varner, G; Varvell, KE; Vervink, K; Wang, CH; Wang, MZ; Wang, P; Watanabe, Y; Wedd, R; Won, E; Yabsley, BD; Yamashita, Y; Yamauchi, M; Yuan, CZ; Zhang, CC; Zhilich, V; Zivko, T; Zupanc, A; Zyukova, O
2010
发表期刊PHYSICAL REVIEW D
卷号82期号:7页码:71101
通讯作者[Hara, K. ; Iijima, T. ; Hayasaka, K. ; Inami, K. ; Miyazaki, Y. ; Mori, T. ; Ohshima, T. ; Senyo, K.] Nagoya Univ, Nagoya, Aichi 4648601, Japan ; [Aulchenko, V. ; Bondar, A. ; Eidelman, S. ; Gabyshev, N. ; Kuzmin, A. ; Shwartz, B. ; Zhilich, V. ; Zyukova, O.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia ; [Dolezal, Z. ; Kodys, P.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic ; [Kawai, H.] Chiba Univ, Chiba, Japan ; [Goldenzweig, P. ; Kinoshita, K. ; Schwartz, A. J.] Univ Cincinnati, Cincinnati, OH 45221 USA ; [Cheon, B. G. ; Unno, Y.] Hanyang Univ, Seoul 133791, South Korea ; [Browder, T. E. ; Li, J. ; Nishimura, K. ; Olsen, S. L. ; Sahoo, H. ; Varner, G.] Univ Hawaii, Honolulu, HI 96822 USA ; [Iwasaki, Y. ; Kichimi, H. ; Krokovny, P. ; Nakao, M. ; Nishida, S. ; Nozaki, T. ; Ozaki, H. ; Sakai, Y. ; Schuemann, J. ; Sumisawa, K. ; Trabelsi, K. ; Uehara, S. ; Uno, S. ; Ushiroda, Y. ; Yamauchi, M.] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki, Japan ; [Wang, P. ; Yuan, C. Z. ; Zhang, C. C.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China ; [Dungel, W. ; Schwanda, C.] Inst High Energy Phys, Vienna, Austria ; [Belous, K. ; Shapkin, M.] Inst High Energy Phys, Protvino, Russia ; [Aushev, T. ; Danilov, M. ; Liventsev, D. ; Pakhlova, G. ; Solovieva, E. ; Tikhomirov, I. ; Uglov, T.] Inst Theoret & Expt Phys, Moscow, Russia ; [Bracko, M. ; Golob, B. ; Korpar, S. ; Krizan, P. ; Pestotnik, R. ; Petric, M. ; Smerkol, P. ; Staric, M. ; Zivko, T.] J Stefan Inst, Ljubljana, Slovenia ; [Okuno, S. ; Watanabe, Y.] Kanagawa Univ, Yokohama, Kanagawa, Japan ; [Kreps, M. ; Kuhr, T. ; Neubauer, S. ; Prim, M. ; Zupanc, A.] Karlsruher Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany ; [Kim, J. H.] Korea Inst Sci & Technol Informat, Taejon, South Korea ; [Ha, H. ; Ko, B. R. ; Lee, S-H. ; Won, E.] Korea Univ, Seoul, South Korea ; [Hyun, H. J. ; Kim, H. J. ; Kim, H. O. ; Kim, M. J. ; Park, H. K.] Kyungpook Natl Univ, Taegu 702701, South Korea ; [Aushev, T. ; Louvot, R. ; Schneider, O. ; Vervink, K.] Ecole Polytech Fed Lausanne, Lausanne, Switzerland ; [Golob, B. ; Krizan, P.] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia ; [Bracko, M. ; Korpar, S.] Univ Maribor, SLO-2000 Maribor, Slovenia ; [Dalseno, J. ; Kiesling, C.] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany ; [Barberio, E. ; Julius, T. ; Limosani, A. ; Sevior, M. E. ; Wedd, R.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia ; [Bischofberger, M. ; Hayashii, H. ; Miyabayashi, K.] Nara Womens Univ, Nara 630, Japan ; [Chen, A. ; Nakazawa, H.] Natl Cent Univ, Chungli 32054, Taiwan ; [Wang, C. H.] Natl United Univ, Miaoli, Taiwan ; [Chang, P. ; Chao, Y. ; Chiang, C-C. ; Hsiung, Y. B. ; Liu, Y. ; Shiu, J-G. ; Wang, M-Z.] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan ; [Bozek, A. ; Matyja, A. ; Rozanska, M.] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland ; [Yamashita, Y.] Nippon Dent Univ, Niigata, Japan ; [Kawasaki, T. ; Miyata, H.] Niigata Univ, Niigata, Japan ; [Stanic, S.] Univ Nova Gorica, Nova Gorica, Slovenia ; [Aulchenko, V. ; Bondar, A. ; Eidelman, S. ; Gabyshev, N. ; Kuzmin, A. ; Shwartz, B. ; Zhilich, V. ; Zyukova, O.] Novosibirsk State Univ, Novosibirsk 630090, Russia ; [Nakano, E. ; Teramoto, Y.] Osaka City Univ, Osaka 558, Japan ; [Singh, J. B.] Panjab Univ, Chandigarh 160014, India ; [Lee, M. J. ; Olsen, S. L. ; Ryu, S.] Seoul Natl Univ, Seoul, South Korea ; [Hasegawa, Y.] Shinshu Univ, Nagano, Japan ; [Choi, Y. ; Park, C. W.] Sungkyunkwan Univ, Suwon, South Korea ; [Bakich, A. M. ; McOnie, S. ; Varvell, K. E. ; Yabsley, B. D.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia ; [Aziz, T. ; Mohanty, G. B.] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India ; [Dalseno, J.] Tech Univ Munich, D-8046 Garching, Germany ; [Ogawa, S. ; Shibuya, H.] Toho Univ, Funabashi, Chiba 274, Japan ; [Hoshi, Y.] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan ; [Horii, Y.] Tohoku Univ, Sendai, Miyagi 980, Japan ; [Aihara, H.] Univ Tokyo, Dept Phys, Tokyo 113, Japan ; [Kumita, T. ; Sumiyoshi, T.] Tokyo Metropolitan Univ, Tokyo 158, Japan ; [Nitoh, O.] Tokyo Univ Agr & Technol, Tokyo, Japan ; [Piilonen, L. E.] Virginia Polytech Inst & State Univ, IPNAS, Blacksburg, VA 24061 USA ; [Cho, I-S. ; Iwabuchi, M. ; Kang, J. H. ; Kwon, Y-J. ; Kyeong, S-H.] Yonsei Univ, Seoul 120749, South Korea
摘要We present a measurement of the decay B- -> tau(-)(nu) over bar (tau) using a data sample containing 657 x 10(6) B (B) over bar pairs collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. A sample of B+B- pairs are tagged by reconstructing one B+ meson decaying semileptonically. We detect the B- -> tau(-)(nu) over bar (tau) candidate in the recoil. We obtain a signal with a significance of 3.6 standard deviations including systematic uncertainties, and measure the branching fraction to be B- -> tau(-)(nu) over bar (tau) [1.54(-0.37)(+0.38) (stat) (+0.29)(-0.31) (syst) x 10(-4). This result confirms the evidence for B- -> tau(-)(nu) over bar (tau) obtained in a previous Belle measurement that used a hadronic B tagging method.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.82.071101
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语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000283354100001
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被引频次:77[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240747
专题实验物理中心
作者单位中国科学院高能物理研究所
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Hara, K,Iijima, T,Aihara, H,et al. Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method[J]. PHYSICAL REVIEW D,2010,82(7):71101.
APA Hara, K.,Iijima, T.,Aihara, H.,Aulchenko, V.,Aushev, T.,...&Zyukova, O.(2010).Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method.PHYSICAL REVIEW D,82(7),71101.
MLA Hara, K,et al."Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method".PHYSICAL REVIEW D 82.7(2010):71101.
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