Measurement of the branching ratio of (B)over-bar → D()τ-(ν)over-barτ relative to (B)over-bar → D()l-(ν)over-barl decays with hadronic tagging at Belle

被引：555

作者：

Huschle, M. ^{[26
]}

Kuhr, T. ^{[35
]}

Heck, M. ^{[26
]}

Goldenzweig, P. ^{[26
]}

Abdesselam, A. ^{[61
]}

Adachi, I. ^{[12
,15
]}

Adamczyk, K. ^{[48
]}

Aihara, H. ^{[67
]}

Al Said, S. ^{[29
,61
]}

Arinstein, K. ^{[4
,51
]}

Asner, D. M. ^{[53
]}

Aushev, T. ^{[23
,41
]}

Ayad, R. ^{[61
]}

Aziz, T. ^{[62
]}

Badhrees, I. ^{[28
,61
]}

Bakich, A. M. ^{[60
]}

Bansal, V. ^{[53
]}

Barberio, E. ^{[39
]}

Bhardwaj, V. ^{[58
]}

Bhuyan, B. ^{[17
]}

Biswal, J. ^{[24
]}

Bobrov, A. ^{[4
,51
]}

Bozek, A. ^{[48
]}

Bracko, M. ^{[24
,37
]}

Browder, T. E. ^{[14
]}

Cervenkov, D. ^{[5
]}

Chang, P. ^{[47
]}

Chekelian, V. ^{[38
]}

Chen, A. ^{[45
]}

Cheon, B. G. ^{[13
]}

Chilikin, K. ^{[23
]}

Chistov, R. ^{[23
]}

Cho, K. ^{[30
]}

Chobanova, V. ^{[38
]}

Choi, Y. ^{[59
]}

Cinabro, D. ^{[73
]}

Dalseno, J. ^{[38
,63
]}

Danilov, M. ^{[23
,40
]}

Dolezal, Z. ^{[5
]}

Drasal, Z. ^{[5
]}

Dutta, D. ^{[62
]}

Eidelman, S. ^{[4
,51
]}

Epifanov, D. ^{[67
]}

Farhat, H. ^{[73
]}

Fast, J. E. ^{[53
]}

Ferber, T. ^{[8
]}

Frey, A. ^{[11
]}

Fulsom, B. G. ^{[53
]}

Gaur, V. ^{[62
]}

Gabyshev, N. ^{[4
,51
]}

机构：

[1] Univ Basque Country UPV EHU, Bilbao 48080, Spain

[2] Beihang Univ, Beijing 100191, Peoples R China

[3] Univ Bonn, D-53115 Bonn, Germany

[4] Budker Inst Nucl Phys SB RAS, Novosibirsk 630090, Russia

[5] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague, Czech Republic

[6] Chonnam Natl Univ, Kwangju 660701, South Korea

[7] Univ Cincinnati, Cincinnati, OH 45221 USA

[8] DESY, D-22607 Hamburg, Germany

[9] Univ Giessen, D-35392 Giessen, Germany

[10] Gifu Univ, Gifu 5011193, Japan

[11] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany

[12] SOKENDAI Grad Univ Adv Studies, Hayama 2400193, Japan

[13] Hanyang Univ, Seoul 133791, South Korea

[14] Univ Hawaii, Honolulu, HI 96822 USA

[15] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan

[16] Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain

[17] Indian Inst Technol Guwahati, Gauhati 781039, Assam, India

[18] Indian Inst Technol, Madras 600036, Tamil Nadu, India

[19] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[20] Inst High Energy Phys, A-1050 Vienna, Austria

[21] Inst High Energy Phys, Protvino 142281, Russia

[22] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[23] Inst Theoret & Expt Phys, Moscow 117218, Russia

[24] Jozef Stefan Inst, Ljubljana 1000, Slovenia

[25] Kanagawa Univ, Yokohama, Kanagawa 2218686, Japan

[26] Karlsruher Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany

[27] Kennesaw State Univ, Kennesaw, GA 30144 USA

[28] King Abdulaziz City Sci & Technol, Riyadh 11442, Saudi Arabia

[29] King Abdulaziz Univ, Dept Phys, Fac Sci, Jeddah 21589, Saudi Arabia

[30] Korea Inst Sci & Technol Informat, Daejeon 305806, South Korea

[31] Korea Univ, Seoul 136713, South Korea

[32] Kyungpook Natl Univ, Daegu 702701, South Korea

[33] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[34] Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia

[35] Univ Munich, D-80539 Munich, Germany

[36] Luther Coll, Decorah, IA 52101 USA

[37] Univ Maribor, SLO-2000 Maribor, Slovenia

[38] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[39] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

[40] Moscow Phys Engn Inst, Moscow 115409, Russia

[41] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia

[42] Nagoya Univ, Sch Sci, Nagoya, Aichi 4648602, Japan

[43] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648602, Japan

[44] Nara Womens Univ, Nara 6308506, Japan

[45] Natl Cent Univ, Chungli 32054, Taiwan

[46] Natl United Univ, Miaoli 36003, Taiwan

[47] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[48] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[49] Niigata Univ, Niigata 9502181, Japan

[50] Univ Nova Gorica, Nova Gorica 5000, Slovenia

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 07期

基金：

美国国家科学基金会; 奥地利科学基金会; 俄罗斯基础研究基金会; 新加坡国家研究基金会; 日本学术振兴会; 澳大利亚研究理事会; 瑞士国家科学基金会; 中国国家自然科学基金;

关键词：

MESON DECAYS;

D O I：

10.1103/PhysRevD.92.072014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report a measurement of the branching fraction ratios R(D)(()*()) of (B) over bar -> D-(*())tau(-)(nu) over bar (tau) relative to (B) over bar -> D-(*())l(-)(nu) over barl (where l = e or mu) using the full Belle data sample of 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured values are R(D) = 0.375 +/- 0.064(stat) +/- 0.026(syst) and R(D*) = 0.293 +/- 0.038 (stat) +/- 0.015 (syst). The analysis uses hadronic reconstruction of the tag-side B meson and purely leptonic t decays. The results are consistent with earlier measurements and do not show a significant deviation from the standard model prediction.

引用

页数：14

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Measurement of the branching ratio of (B)over-bar → D(*)τ-(ν)over-barτ relative to (B)over-bar → D(*)l-(ν)over-barl decays with hadronic tagging at Belle

Measurement of the branching ratio of (B)over-bar → D()τ-(ν)over-barτ relative to (B)over-bar → D()l-(ν)over-barl decays with hadronic tagging at Belle