Search for Dark Photons in Rare Z Boson Decays with the ATLAS Detector

被引：0

作者：

Aad, G. ^{[159
]}

Abbott, B. ^{[179
]}

Abeling, K. ^{[83
]}

Abicht, N. J. ^{[76
]}

Abidi, S. H. ^{[47
]}

Aboulhorma, A. ^{[60
]}

Abramowicz, H. ^{[224
]}

Abreu, H. ^{[223
]}

Abulaiti, Y. ^{[176
]}

Abusleme Hoffman, A. C. ^{[201
]}

Acharya, B. S. ^{[107
,108
,260
]}

Adam Bourdarios, C. ^{[5
]}

Adamczyk, L. ^{[138
]}

Adamek, L. ^{[229
]}

Addepalli, S. V. ^{[38
]}

Addison, M. J. ^{[158
]}

Adelman, J. ^{[174
]}

Adiguzel, A. ^{[30
]}

Adye, T. ^{[198
]}

Affolder, A. A. ^{[200
]}

Afik, Y. ^{[62
]}

Agaras, M. N. ^{[14
]}

Agarwala, J. ^{[116
,117
]}

Aggarwal, A. ^{[157
]}

Agheorghiesei, C. ^{[41
]}

Ahmad, A. ^{[62
]}

Ahmadov, F. ^{[13
,62
,271
]}

Ahmed, W. S. ^{[161
]}

Ahuja, S. ^{[151
]}

Ai, X. ^{[91
,92
]}

Aielli, G. ^{[122
,123
]}

Aikot, A. ^{[239
]}

Ait Tamlihat, M. ^{[60
]}

Aitbenchikh, B. ^{[57
]}

Aizenberg, I. ^{[245
]}

Akbiyik, M. ^{[157
]}

Akesson, T. P. A. ^{[154
]}

Akimov, A. V. ^{[62
]}

Akiyama, D. ^{[244
]}

Akolkar, N. N. ^{[36
]}

Al Khoury, K. ^{[65
]}

Alberghi, G. L. ^{[35
]}

Albert, J. ^{[241
]}

Albicocco, P. ^{[80
,81
]}

Albouy, G. L. ^{[89
]}

Alderweireldt, S. ^{[79
]}

Aleksa, M. ^{[62
]}

Aleksandrov, I. N. ^{[62
]}

Alexa, C. ^{[40
]}

Alexopoulos, T. ^{[11
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia

[2] Univ Alberta, Dept Phys, Edmonton, AB, Canada

[3] Ankara Univ, Dept Phys, Ankara, Turkiye

[4] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkiye

[5] Univ Savoie Mont Blanc, LAPP, CNRS, IN2P3, Annecy, France

[6] Univ Paris Cite, CNRS, IN2P3, APC, Paris, France

[7] Argonne Natl Lab, Div High Energy Phys, Argonne, IL USA

[8] Univ Arizona, Dept Phys, Tucson, AZ 85726 USA

[9] Univ Texas Arlington, Dept Phys, Arlington, TX USA

[10] Natl & Kapodistrian Univ Athens, Dept Phys, Athens, Greece

[11] Natl Tech Univ Athens, Phys Dept, Zografos, Greece

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

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

[14] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Barcelona, Spain

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

[16] Tsinghua Univ, Dept Phys, Beijing, Peoples R China

[17] Nanjing Univ, Dept Phys, Nanjing, Peoples R China

[18] Sun Yat sen Univ, Sch Sci, Shenzhen Campus, Shenzhen, Peoples R China

[19] Univ Chinese Acad Sci UCAS, Beijing, Peoples R China

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

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

[22] Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA 94720 USA

[23] Univ Calif Berkeley, Berkeley, CA USA

[24] Humboldt Univ, Inst Phys, Berlin, Germany

[25] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[26] Univ Bern, High Energy Phys Lab, Bern, Switzerland

[27] Univ Birmingham, Sch Phys & Astron, Birmingham, England

[28] Bogazici Univ, Dept Psychol, Istanbul, Turkiye

[29] Gaziantep Univ, Dept Phys & Engn, Gaziantep, Turkiye

[30] Istanbul Univ, Dept Phys, Istanbul, Turkiye

[31] Univ Antonio Narino, Fac Ciencias, Bogota, Colombia

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

[33] Univ Nacl Colombia, Dept Fis, Bogota, Colombia

[34] Univ Bologna, Dipartimento Fis & Astron A Righi, Bologna, Italy

[35] INFN, Sez Bologna, Bologna, Italy

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

[37] Boston Univ, Dept Phys, Boston, MA 02115 USA

[38] Brandeis Univ, Dept Phys, Waltham, MA 02453 USA

[39] Transilvania Univ Brasov, Brasov, Romania

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

[41] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania

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

[43] Univ Politehn Bucuresti, Bucharest, Romania

[44] West Univ Timisoara, Timisoara, Romania

[45] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[46] Slovak Acad Sci, Inst Expt Phys, Dept Subnuclear Phys, Kosice, Slovakia

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

[48] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, Buenos Aires, DF, Argentina

[49] Univ Buenos Aires, CONICET, Inst Fis Buenos Aires IFIBA, Buenos Aires, DF, Argentina

[50] Calif State Univ, Fresno, CA USA

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 25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;

关键词：

PHYSICS;

D O I：

10.1103/PhysRevLett.131.251801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for events with a dark photon produced in association with a dark Higgs boson via rare decays of the standard model Z boson is presented, using 139 fb(-1) of root p 1/4 13 TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider. The dark boson decays into a pair of dark photons, and at least two of the three dark photons must each decay into a pair of electrons or muons, resulting in at least two same-flavor opposite-charge lepton pairs in the final state. The data are found to be consistent with the background prediction, and upper limits are set on the dark photon's coupling to the dark Higgs boson times the kinetic mixing between the standard model photon and the dark photon, alpha(D)epsilon(2), in the dark photon mass range of [5, 40] GeV except for the gamma mass window [8.8, 11.1] GeV. This search explores new parameter space not previously excluded by other experiments.

引用

页数：23

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