Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector

被引：67

作者：

Aad, G. ^{[119
,120
]}

Abbott, B. ^{[151
]}

Abdallah, J. ^{[95
]}

Abdinov, O. ^{[15
]}

Abeloos, B. ^{[155
]}

Aben, R. ^{[144
,145
]}

Abolins, M. ^{[125
]}

AbouZeid, O. S. ^{[191
]}

Abraham, N. L. ^{[208
]}

Abramowicz, H. ^{[212
]}

Abreu, H. ^{[211
]}

Abreu, R. ^{[154
]}

Abulaiti, Y. ^{[203
,204
]}

Acharya, B. S. ^{[225
,226
,246
]}

Adamczyk, L. ^{[62
]}

Adams, D. L. ^{[38
]}

Adelman, J. ^{[146
]}

Adomeit, S. ^{[135
]}

Adye, T. ^{[177
]}

Affolder, A. A. ^{[108
]}

Agatonovic-Jovin, T. ^{[17
]}

Agricola, J. ^{[82
]}

Aguilar-Saavedra, J. A. ^{[166
,171
,172
]}

Ahlen, S. P. ^{[32
]}

Ahmadov, F. ^{[97
,247
]}

Aielli, G. ^{[180
,181
]}

Akerstedt, H. ^{[203
,204
]}

Akesson, T. P. A. ^{[115
]}

Akimov, A. V. ^{[131
]}

Alberghi, G. L. ^{[29
,30
]}

Albert, J. ^{[236
]}

Albrand, S. ^{[83
]}

Verzini, M. J. Alconada ^{[103
,104
]}

Aleksa, M. ^{[44
]}

Aleksandrov, I. N. ^{[97
]}

Alexa, C. ^{[39
]}

Alexander, G. ^{[212
]}

Alexopoulos, T. ^{[13
]}

Alhroob, M. ^{[151
]}

Aliev, M. ^{[106
,107
]}

Alimonti, G. ^{[126
]}

Alison, J. ^{[45
]}

Alkire, S. P. ^{[58
]}

Allbrooke, B. M. M. ^{[208
]}

Allen, B. W. ^{[154
]}

Allport, P. P. ^{[23
]}

Aloisio, A. ^{[18
,44
,140
,141
]}

Alonso, A. ^{[59
]}

Alonso, F. ^{[103
,104
]}

Alpigiani, C. ^{[192
]}

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, 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 Mt Blanc, Annecy Le Vieux, France

[9] Argonne Natl Lab, Div High Energy Phys, 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, Zografos, Greece

[14] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[15] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

[16] Barcelona Inst Sci & Technol, IFAE, Barcelona, Spain

[17] Univ Belgrade, Inst Phys, Belgrade, Serbia

[18] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[19] Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA USA

[20] Univ Calif Berkeley, Berkeley, CA USA

[21] Humboldt Univ, Dept Phys, Berlin, Germany

[22] Univ Bern, Albert Einstein Ctr Fundamental Phys, 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] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[27] Bahcesehir Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[28] Univ Antonio Narino, Ctr Invest, Bogota, Colombia

[29] INFN, Sez Bologna, Bologna, Italy

[30] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[31] Univ Bonn, Inst Phys, Bonn, Germany

[32] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA

[33] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[34] Univ Fed Rio de Janeiro, COPPE, EE, IF, Rio De Janeiro, Brazil

[35] Univ Fed Juiz de Fora, Elect Circuits Dept, Juiz de Fora, Brazil

[36] Univ Fed Sao Joao del Rei, Sao Joao del Rei, Brazil

[37] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil

[38] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[39] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[40] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania

[41] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[42] Univ Cambridge, Cavendish Lab, Cambridge, England

[43] Carleton Univ, Dept Phys, Ottawa, ON, Canada

[44] CERN, Geneva, Switzerland

[45] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA

[46] Catholic Univ Chile, Dept Fis, Santiago, Chile

[47] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile

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

[49] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China

[50] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 02期

基金：

巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会; 欧盟地平线“2020”; 美国国家科学基金会;

关键词：

TAU;

D O I：

10.1140/epjc/s10052-017-4624-0

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：

Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: H -> e tau, H -> mu tau, and Z -> mu tau. The searches are based on the data sample of proton-proton collisions collected by the ATLAS detector corresponding to an integrated luminosity of 20.3 fb(-1) at a centre-of-mass energy of root s = 8 TeV. No significant excess is observed, and upper limits on the lepton-flavour-violating branching ratios are set at the 95% confidence level: Br(H -> e tau) < 1.04%, Br(H -> mu tau) < 1.43%, and Br(Z -> mu tau) < 1.69 x 10(-5).

引用

页数：31

共 50 条

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G. Aad
B. Abbott
J. Abdallah
O. Abdinov
B. Abeloos
R. Aben
M. Abolins
O. S. AbouZeid
N. L. Abraham
H. Abramowicz
H. Abreu
R. Abreu
Y. Abulaiti
B. S. Acharya
L. Adamczyk
D. L. Adams
J. Adelman
S. Adomeit
T. Adye
A. A. Affolder
T. Agatonovic-Jovin
J. Agricola
J. A. Aguilar-Saavedra
S. P. Ahlen
F. Ahmadov
G. Aielli
H. Akerstedt
T. P. A. Åkesson
A. V. Akimov
G. L. Alberghi
J. Albert
S. Albrand
M. J. Alconada Verzini
M. Aleksa
I. N. Aleksandrov
C. Alexa
G. Alexander
T. Alexopoulos
M. Alhroob
M. Aliev
G. Alimonti
J. Alison
S. P. Alkire
B. M. M. Allbrooke
B. W. Allen
P. P. Allport
A. Aloisio
A. Alonso
F. Alonso
C. Alpigiani
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AbouZeid, O. S.
Abramowicz, H.
Abreu, H.
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Abulaiti, Y.
Acharya, B. S.
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Adelman, J.
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