Search for lepton-flavor violating decays of the Higgs boson in the μτ and eτ final states in proton-proton collisions at √s=13 TeV

被引:25
|
作者
Sirunyan, A. M. [1 ]
Tumasyan, A. [1 ]
Adam, W. [2 ]
Andrejkovic, J. W. [2 ]
Bergauer, T. [2 ]
Chatterjee, S. [2 ]
Dragicevic, M. [2 ]
Del Valle, A. Escalante [2 ]
Fruhwirth, R. [2 ,218 ]
Jeitler, M. [2 ,218 ]
Krammer, N. [2 ]
Lechner, L. [2 ]
Liko, D. [2 ]
Mikulec, I [2 ]
Paulitsch, P. [2 ]
Pitters, F. M. [2 ]
Schieck, J. [2 ,218 ]
Schofbeck, R. [2 ]
Spanring, M. [2 ]
Templ, S. [2 ]
Waltenberger, W. [2 ]
Wulz, C-E [2 ,218 ]
Chekhovsky, V [3 ]
Litomin, A. [3 ]
Makarenko, V [3 ]
Darwish, M. R. [4 ,219 ]
De Wolf, E. A. [4 ]
Janssen, X. [4 ]
Kello, T. [4 ,6 ]
Lelek, A. [4 ]
Sfar, H. Rejeb [4 ]
Van Mechelen, P. [4 ]
Van Putte, S. [4 ]
Van Remortel, N. [4 ]
Blekman, F. [5 ]
Bols, E. S. [5 ]
D'Hondt, J. [5 ]
De Clercq, J. [5 ]
Delcourt, M. [5 ]
El Faham, H. [5 ]
Lowette, S. [5 ]
Moortgat, S. [5 ]
Morton, A. [5 ]
Muller, D. [5 ]
Sahasransu, A. R. [5 ]
Tavernier, S. [5 ]
Van Doninck, W. [5 ]
Van Mulders, P. [5 ]
Beghin, D. [6 ]
Bilin, B. [6 ]
机构
[1] Yerevan Phys Inst, Yerevan, Armenia
[2] Inst Hochenergiephys, Vienna, Austria
[3] Inst Nucl Problems, Minsk, BELARUS
[4] Univ Antwerp, Antwerp, Belgium
[5] Vrije Univ Brussel, Brussels, Belgium
[6] Univ Libre Bruxelles, Brussels, Belgium
[7] Univ Ghent, Ghent, Belgium
[8] Catholic Univ Louvain, Louvain La Neuve, Belgium
[9] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[10] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[11] Univ Estadual Paulista, Sao Paulo, Brazil
[12] Univ Fed ABC, Sao Paulo, Brazil
[13] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria
[14] Univ Sofia, Sofia, Bulgaria
[15] Beihang Univ, Beijing, Peoples R China
[16] Tsinghua Univ, Dept Phys, Beijing, Peoples R China
[17] Inst High Energy Phys, Beijing, Peoples R China
[18] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China
[19] Sun Yat Sen Univ, Guangzhou, Guangdong, Peoples R China
[20] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China
[21] Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai, Peoples R China
[22] Zhejiang Univ, Hangzhou, Peoples R China
[23] Univ Los Andes, Bogota, Colombia
[24] Univ Antioquia, Medellin, Colombia
[25] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia
[26] Univ Split, Fac Sci, Split, Croatia
[27] Inst Rudjer Boskovic, Zagreb, Croatia
[28] Univ Cyprus, Nicosia, Cyprus
[29] Charles Univ Prague, Prague, Czech Republic
[30] Escuela Politec Nacl, Quito, Ecuador
[31] Univ San Francisco Quito, Quito, Ecuador
[32] Egyptian Network High Energy Phys, Acad Sci Res & Technol Arab Republ Egypt, Cairo, Egypt
[33] Fayoum Univ, Ctr High Energy Phys CHEP FU, Al Fayyum, Egypt
[34] NICPB, Tallinn, Estonia
[35] Univ Helsinki, Dept Phys, Helsinki, Finland
[36] Helsinki Inst Phys, Helsinki, Finland
[37] Lappeenranta Univ Technol, Lappeenranta, Finland
[38] Univ Paris Saclay, IRFU, CEA, Gif Sur Yvette, France
[39] Inst Polytech Paris, Lab Leprince Ringuet, Ecole Polytech, CNRS IN2P3, Palaiseau, France
[40] Univ Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France
[41] Inst Phys 2 Infinis Lyon IP2I, Villeurbanne, France
[42] Georgian Tech Univ, Tbilisi, Georgia
[43] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany
[44] Rhein Westfal TH Aachen, Phys Inst 3, Aachen, Germany
[45] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany
[46] DESY, Hamburg, Germany
[47] Univ Hamburg, Hamburg, Germany
[48] Karlsruher Inst Technol, Karlsruhe, Germany
[49] NCSR Demokritos, Inst Nucl & Particle Phys INPP, Aghia Paraskevi, Greece
[50] Natl & Kapodistrian Univ Athens, Athens, Greece
基金
欧洲研究理事会; 欧盟地平线“2020”; 巴西圣保罗研究基金会; 芬兰科学院;
关键词
NONCONSERVATION;
D O I
10.1103/PhysRevD.104.032013
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search is presented for lepton-flavor violating decays of the Higgs boson to mu t and et. The dataset corresponds to an integrated luminosity of 137 fb(-1) collected at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV. No significant excess has been found, and the results are interpreted in terms of upper limits on lepton-flavor violating branching fractions of the Higgs boson. The observed (expected) upper limits on the branching fractions are, respectively, B(H -> mu t) < 0.15(0.15)% and B(H -> e tau) < 0.22(0.16)% at 95% confidence level.
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页数:31
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