Search for the rare decays Bs0 → μ+μ- and B0 → μ+μ-

被引：71

作者：

Aaij, R. ^{[23
]}

Adeva, B. ^{[36
]}

Adinolfi, M. ^{[42
]}

Adrover, C. ^{[7
]}

Affolder, A. ^{[48
]}

Ajaltouni, Z. ^{[6
]}

Albrecht, J. ^{[37
]}

Alessio, F. ^{[7
,37
]}

Alexander, M. ^{[47
]}

Alvarez Cartelle, P. ^{[36
]}

Alves, A. A., Jr. ^{[22
]}

Amato, S. ^{[3
]}

Amhis, Y. ^{[38
]}

Amoraal, J. ^{[23
]}

Anderson, J. ^{[39
]}

Appleby, R. B. ^{[50
]}

Gutierrez, O. Aquines ^{[11
]}

Arrabito, L.

Artuso, M. ^{[52
]}

Aslanides, E. ^{[7
]}

Auriemma, G. ^{[22
]}

Bachmann, S. ^{[12
]}

Bailey, D. S. ^{[50
]}

Balagura, V. ^{[30
,37
]}

Baldini, W. ^{[17
]}

Barlow, R. J. ^{[50
]}

Barschel, C. ^{[37
]}

Barsuk, S. ^{[8
]}

Bates, A. ^{[47
]}

Bauer, C. ^{[11
]}

Bauer, Th. ^{[23
]}

Bay, A. ^{[38
]}

Bediagal, I. ^{[2
]}

Belous, K. ^{[34
]}

Belyaev, I. ^{[30
,37
]}

Ben-Haim, E. ^{[9
]}

Benayoun, M. ^{[9
]}

Bencivenni, G. ^{[1
]}

Bernet, R. ^{[39
]}

Bettler, M-O ^{[18
,37
]}

van Beuzekom, M. ^{[23
]}

Bien, A. ^{[12
]}

Bifani, S. ^{[13
]}

Bizzeti, A. ^{[18
]}

Bjornstad, P. M. ^{[50
]}

Blake, T. ^{[49
]}

Blanc, F. ^{[38
]}

Blanks, C. ^{[49
]}

Blouw, J. ^{[12
]}

Blusk, S. ^{[52
]}

机构：

[1] INFN Frascati, Lab Nazl, Frascati, Italy

[2] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[3] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil

[4] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China

[5] Univ Savoie, CNRS, IN2P3, LAPP, Annecy Le Vieux, France

[6] Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France

[7] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France

[8] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France

[9] Univ Paris Diderot, Univ Paris 06, LPNHE, CNRS IN2P3, Paris, France

[10] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[11] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[12] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[13] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland

[14] Sez INFN Bari, Bari, Italy

[15] Sez INFN Bologna, Bologna, Italy

[16] Sez INFN Cagliari, Cagliari, Italy

[17] Sez INFN Ferrara, Ferrara, Italy

[18] Sez INFN Firenze, Florence, Italy

[19] Sez INFN Genova, Genoa, Italy

[20] Sez INFN Milano Bicocca, Milan, Italy

[21] Sez INFN Roma Tor Vergata, Rome, Italy

[22] Sez INFN Roma La Sapienza, Rome, Italy

[23] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands

[24] Vrije Univ Amsterdam, Amsterdam, Netherlands

[25] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[26] Fac Phys & Appl Comp Sci, Krakow, Poland

[27] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

[28] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[29] Petersburg Nucl Phys Inst, Gatchina, Russia

[30] Inst Theoret & Expt Phys, Moscow 117259, Russia

[31] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia

[32] Russian Acad Sci INR RAN, Inst Nucl Res, Moscow, Russia

[33] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[34] Inst High Energy Phys, Protvino, Russia

[35] Univ Barcelona, Barcelona, Spain

[36] Univ Santiago de Compostela, Santiago De Compostela, Spain

[37] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[38] Ecole Polytech Fed Lausanne, Lausanne, Switzerland

[39] Univ Zurich, Inst Phys, Zurich, Switzerland

[40] NSC Kharkiv Inst Phys & Technol, Kharkov, Ukraine

[41] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine

[42] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[43] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[44] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[45] STFC Rutherford Appleton Lab, Didcot, Oxon, England

[46] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland

[47] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland

[48] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England

[49] Univ London Imperial Coll Sci Technol & Med, London, England

[50] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England

来源：

PHYSICS LETTERS B | 2011年 / 699卷 / 05期

关键词：

LHC; b-Hadron; FCNC; Rare decays; Leptonic decays; MODELS;

D O I：

10.1016/j.physletb.2011.04.031

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for the decays Bs0 -> mu(+)mu(-) and B0 -> mu(+)mu(-) is performed with about 37 pb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The observed numbers of events are consistent with the background expectations. The resulting upper limits on the branching ratios are B(B-s(0) -> mu(+)mu(-) ) <5.6 x 10(-8) and B(B0 -> mu(+)mu(-) ) <1.5 x 10(-8) at 95% confidence level. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.

引用

页码：330 / 340

页数：11

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