First observation of the decay B0 → ψ(2S)π0

被引：2

作者：

Chobanova, V. ^{[37
]}

Dalseno, J. ^{[37
,63
]}

Kiesling, C. ^{[37
]}

Abdesselam, A. ^{[61
]}

Adachi, I. ^{[11
,14
]}

Aihara, H. ^{[68
]}

Asner, D. M. ^{[51
]}

Aushev, T. ^{[40
]}

Ayad, R. ^{[61
]}

Babu, V. ^{[62
]}

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

Bahinipati, S. ^{[16
]}

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

Barberio, E. ^{[38
]}

Behera, P. ^{[18
]}

Bhardwaj, V. ^{[58
]}

Bhuyan, B. ^{[17
]}

Biswal, J. ^{[24
]}

Bobrov, A. ^{[3
,49
]}

Bozek, A. ^{[47
]}

Bracko, M. ^{[24
,36
]}

Browder, T. E. ^{[13
]}

Cervenkov, D. ^{[4
]}

Chekelian, V. ^{[37
]}

Chen, A. ^{[44
]}

Cheon, B. G. ^{[12
]}

Chistov, R. ^{[39
]}

Cho, K. ^{[29
]}

Choi, Y. ^{[59
]}

Cinabro, D. ^{[74
]}

Dash, N. ^{[16
]}

Dolezal, Z. ^{[4
]}

Drasal, Z. ^{[4
]}

Drutskoy, A. ^{[39
]}

Eidelman, S. ^{[3
,49
]}

Farhat, H. ^{[74
]}

Fast, J. E. ^{[51
]}

Ferber, T. ^{[7
]}

Fulsom, B. G. ^{[51
]}

Gaur, V. ^{[62
]}

Gabyshev, N. ^{[3
,49
]}

Garmash, A. ^{[3
,49
]}

Gillard, R. ^{[74
]}

Goh, Y. M. ^{[12
]}

Goldenzweig, P. ^{[26
]}

Golob, B. ^{[24
,33
]}

Grzymkowska, O. ^{[47
]}

Haba, J. ^{[11
,14
]}

Hara, T. ^{[11
,14
]}

Hayasaka, K. ^{[42
]}

机构：

[1] Aligarh Muslim Univ, Aligarh 202002, Uttar Pradesh, India

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

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

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

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

[6] Univ Cincinnati, Cincinnati, OH 45221 USA

[7] DESY, D-22607 Hamburg, Germany

[8] Univ Florida, Gainesville, FL 32611 USA

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

[10] Gifu Univ, Gifu 5011193, Japan

[11] SOKENDAI, Hayama, Kanagawa 2400193, Japan

[12] Hanyang Univ, Seoul 133791, South Korea

[13] Univ Hawaii, Honolulu, HI 96822 USA

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

[15] Ikerbasque, Basque Fdn Sci, Bilbao 48013, Spain

[16] Indian Inst Technol Bhubaneswar, Satya Nagar 751007, Orissa, India

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

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

[19] Indiana Univ, Bloomington, IN 47408 USA

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

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

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

[23] INFN Sez Torino, I-10125 Turin, Italy

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

[30] Korea Univ, Seoul 136713, South Korea

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

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

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

[34] Univ Munich, Marchioninistr 15, D-80539 Munich, Germany

[35] Luther Coll, Decorah, IA 52101 USA

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

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

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

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

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

[41] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648602, Japan

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

[43] Nara Womens Univ, Nara 6308506, Japan

[44] Natl Cent Univ, Chungli 32054, Taiwan

[45] Natl United Univ, Miaoli 36003, Taiwan

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

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

[48] Niigata Univ, Niigata 9502181, Japan

[49] Novosibirsk State Univ, Novosibirsk 630090, Russia

[50] Osaka City Univ, Osaka 5588585, Japan

来源：

PHYSICAL REVIEW D | 2016年 / 93卷 / 03期

关键词：

PHYSICS;

D O I：

10.1103/PhysRevD.93.031101

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report a measurement of the B-0 -> psi(2S)pi(0) branching fraction based on the full Upsilon(4S) data set of 772 x 10(6) B (B) over bar pairs collected by the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain B(B-0 -> psi(2S)pi(0)) = (1.17 +/- 0.17(stat) +/- 0.08(syst)) x 10(-5). The result has a significance of 7.2 standard deviations and is the first observation of the decay B-0 -> psi(2S)pi(0).

引用

页数：7

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