Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector

被引:0
作者
Aad, G. [120 ,121 ]
Abbott, B. [153 ]
Abdallah, J. [212 ]
Abdinov, O. [14 ]
Aben, R. [146 ,147 ]
Abolins, M. [126 ]
AbouZeid, O. S. [220 ]
Abramowicz, H. [214 ]
Abreu, H. [213 ]
Abreu, R. [156 ]
Abulaiti, Y. [205 ,206 ]
Acharya, B. S. [212 ,227 ,228 ,248 ]
Adamczyk, L. [60 ]
Adams, D. L. [37 ]
Adelman, J. [148 ]
Adomeit, S. [137 ]
Adye, T. [179 ]
Affolder, A. A. [106 ]
Agatonovic-Jovin, T. [16 ]
Agricola, J. [80 ]
Aguilar-Saavedra, J. A. [168 ,173 ,174 ]
Ahlen, S. P. [31 ]
Ahmadov, F. [14 ,95 ]
Aielli, G. [182 ,183 ]
Akerstedt, H. [205 ,206 ]
Akesson, T. P. A. [116 ]
Akimov, A. V. [133 ]
Alberghi, G. L. [28 ,29 ]
Albert, J. [238 ]
Albrand, S. [81 ]
Alconada Verzini, M. J. [101 ,102 ]
Aleksa, M. [43 ]
Aleksandrov, I. N. [95 ]
Alexa, C. [38 ]
Alexander, G. [214 ]
Alexopoulos, T. [13 ]
Alhroob, M. [153 ]
Alimonti, G. [127 ]
Alio, L. [120 ,121 ]
Alison, J. [44 ]
Alkire, S. P. [56 ]
Allbrooke, B. M. M. [210 ]
Allport, P. P. [23 ]
Aloisio, A. [142 ,143 ]
Alonso, A. [57 ]
Alonso, F. [101 ,102 ]
Alpigiani, C. [194 ]
Altheimer, A. [56 ]
Gonzalez, B. Alvarez [43 ]
Alvarez Piqueras, D. [232 ,233 ,234 ,235 ,236 ]
机构
[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia
[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA
[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada
[4] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey
[5] Istanbul Aydin Univ, Istanbul, Turkey
[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey
[7] CNRS, IN2P3, LAPP, Annecy Le Vieux, France
[8] Univ Savoie Mont Blanc, Annecy Le Vieux, France
[9] Argonne Natl Lab, Div High Energy Phys, 9700 S Cass Ave, Argonne, IL 60439 USA
[10] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[11] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA
[12] Univ Athens, Dept Phys, Athens, Greece
[13] Natl Tech Univ Athens, Dept Phys, GR-15773 Zografos, Greece
[14] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan
[15] Barcelona Inst Sci & Technol, IFAE, Barcelona, Spain
[16] Univ Belgrade, Inst Phys, Belgrade, Serbia
[17] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[18] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA
[19] Univ Calif Berkeley, Berkeley, CA 94720 USA
[20] Humboldt Univ, Dept Phys, Invalidenstr 110, Berlin, Germany
[21] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland
[22] Univ Bern, High Energy Phys Lab, Bern, Switzerland
[23] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[24] Bogazici Univ, Dept Phys, Istanbul, Turkey
[25] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey
[26] Dogus Univ, Dept Phys, Istanbul, Turkey
[27] Univ Antonio Narino, Ctr Invest, Bogota, Colombia
[28] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
[29] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[30] Univ Bonn, Inst Phys, Nussallee 12, Bonn, Germany
[31] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA
[32] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA
[33] Univ Fed Rio de Janeiro, COPPE EE IF, BR-21945 Rio De Janeiro, Brazil
[34] Fed Univ Juiz de Fora UFJF, Elect Circuits Dept, Juiz De Fora, Brazil
[35] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil
[36] Univ Sao Paulo, Inst Fis, CP 20516, BR-01498 Sao Paulo, Brazil
[37] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[38] Natl Inst Phys & Nucl Engn, Bucharest, Romania
[39] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania
[40] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina
[41] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[42] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada
[43] CERN, Geneva, Switzerland
[44] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA
[45] Pontificia Univ Catolica Chile, Dept Fis, Alameda 340, Santiago, Chile
[46] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile
[47] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
[48] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China
[49] Nanjing Univ, Dept Phys, Nanjing 210008, Jiangsu, Peoples R China
[50] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China
来源
EUROPEAN PHYSICAL JOURNAL C | 2016年 / 76卷 / 05期
基金
巴西圣保罗研究基金会; 美国国家科学基金会; 加拿大自然科学与工程研究理事会;
关键词
SEARCH;
D O I
10.1140/epjc/s10052-016-4041-9
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
This article presents the sensitivity of the ATLAS experiment to the lepton-flavour-violating decays of tau -> 3 mu. A method utilising the production of t leptons via W -> tau nu decays is used. This method is applied to the sample of 20.3 fb(-1) of pp collision data at a centre-of-mass energy of 8 TeV collected by the ATLAS experiment at the LHC in 2012. No event is observed passing the selection criteria, and the observed (expected) upper limit on the tau lepton branching fraction into three muons, Br(tau -> 3 mu), is 3.76 x 10(-7) (3.94 x 10(-7)) at 90 % confidence level.
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页数:25
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