Search for D(s)+ → π+μ+μ- and D(s)+ → π-μ+μ+ decays

被引：45

作者：

Aaij, R. ^{[41
]}

Beteta, C. Abellan ^{[36
,72
]}

Adeva, B. ^{[37
]}

Adinolfi, M. ^{[46
]}

Adrover, C. ^{[6
]}

Affolder, A. ^{[52
]}

Ajaltouni, Z. ^{[5
]}

Albrecht, J. ^{[9
]}

Alessio, F. ^{[38
]}

Alexander, M. ^{[51
]}

Ali, S. ^{[41
]}

Alkhazov, G. ^{[29
]}

Cartelle, P. Alvarez ^{[37
]}

Alves, A. A. ^{[24
,38
]}

Amato, S. ^{[2
]}

Amerio, S. ^{[21
]}

Amhis, Y. ^{[7
]}

Anderlini, L. ^{[17
,65
]}

Anderson, J. ^{[40
]}

Andreassen, R. ^{[57
]}

Appleby, R. B. ^{[54
]}

Gutierrez, O. Aquines ^{[10
]}

Archilli, E. ^{[18
]}

Artamonov, A. ^{[11
,35
]}

Artuso, M. ^{[58
]}

Aslanides, E. ^{[6
]}

Auriemma, G. ^{[24
,71
]}

Bachmann, S. ^{[11
]}

Back, J. J. ^{[48
]}

Baesso, C. ^{[59
]}

Balagura, V. ^{[30
]}

Baldini, W. ^{[16
]}

Barlow, R. J. ^{[54
]}

Barschel, C. ^{[38
]}

Barsuk, S. ^{[7
]}

Barter, W. ^{[47
]}

Bauer, Th. ^{[41
]}

Bay, A. ^{[39
]}

Beddow, J. ^{[51
]}

Bedeschi, F. ^{[22
]}

Bediaga, I. ^{[1
]}

Belogurov, S. ^{[30
]}

Belous, K. ^{[35
]}

Belyaev, I. ^{[30
]}

Ben-Haim, E. ^{[8
]}

Benayoun, M. ^{[8
]}

Bencivenni, G. ^{[18
]}

Benson, S. ^{[50
]}

Benton, J. ^{[46
]}

Berezhnoy, A. ^{[31
]}

机构：

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

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

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

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

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

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

[7] Univ Paris Sud, LAL, CNRS, IN2P3, Orsay, France

[8] Univ Paris Diderot, Univ Pierre & Marie Curie, LPNHE, CNRS,IN2P3, Paris, France

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

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

[11] Heidelberg Univ, Inst Phys, Heidelberg, Germany

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

[13] Sezione INFN Bari, Bari, Italy

[14] Sezione INFN Bologna, Bologna, Italy

[15] Sezione INFN Cagliari, Cagliari, Italy

[16] Sezione INFN Ferrara, Ferrara, Italy

[17] Sezione INFN Firenze, Florence, Italy

[18] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[19] Sezione INFN Genova, Genoa, Italy

[20] Sezione INFN Milano Bicocca, Milan, Italy

[21] Sezione INFN Padova, Padua, Italy

[22] Sezione INFN Pisa, Pisa, Italy

[23] Sezione INFN Roma Tor Vergata, Rome, Italy

[24] Sezione INFN Roma Sapienza, Rome, Italy

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

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

[27] Natl Ctr Nucl Res NCBJ, 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 MV Lomonosov State Univ, SINP, Inst Nucl Phys, Moscow, Russia

[32] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[33] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia

[34] Novosibirsk State Univ, Novosibirsk 630090, Russia

[35] Inst High Energy Phys, Protvino, Russia

[36] Univ Barcelona, Barcelona, Spain

[37] Univ Santiago Compostela, Santiago De Compostela, Spain

[38] CERN, European Org Nucl Res, Geneva, Switzerland

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

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

[41] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[42] Vrije Univ Amsterdam, Amsterdam, Netherlands

[43] NSC KIPT, Kharkov, Ukraine

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

[45] Univ Birmingham, Birmingham, W Midlands, England

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

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

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

[49] STEC Rutherford Appleton Lab, Didcot, Oxon, England

[50] Univ Edinburgh, Sch Phys & Astronomy, Edinburgh, Midlothian, Scotland

来源：

PHYSICS LETTERS B | 2013年 / 724卷 / 4-5期

关键词：

D O I：

10.1016/j.physletb.2013.06.010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for non-resonant D-(s)(+) -> pi(+)mu(+)mu(-) and D-(s)(+) -> pi(-)mu(+)mu(+) decays is performed using protonproton collision data, corresponding to an integrated luminosity of 1.0 fb(-1), at root s = 7 TeV recorded by the LHCb experiment in 2011. No signals are observed and the 90% (95%) confidence level (CL) limits on the branching fractions are found to be B(D+ -> pi(+)mu(+)mu(-)) < 7.3 (8.3) x 10(-8), B(D-s(+) -> pi(+)mu(+)mu(-)) < 4.1 (4.8) x 10(-7), B(D-s(+) -> pi(+)mu(+)mu(-)) < 2.2 (2.5) x 10(-8), B(D-s(+) -> pi(+)mu(+)mu(-)) < 1.2 (1.4) x 10(-7). These limits are the most stringent to date. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved,

引用

页码：203 / 212

页数：10

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