Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates √s=13 TeV with the ATLAS detector

被引：3

作者：

Aad, G. ^{[154
]}

Abbott, B. ^{[183
]}

Abbott, D. C. ^{[155
]}

Abud, A. Abed ^{[59
]}

Abeling, K. ^{[80
]}

Abhayasinghe, D. K. ^{[146
]}

Abidi, S. H. ^{[45
]}

Aboulhorma, A. ^{[58
]}

Abramowicz, H. ^{[227
]}

Abreu, H. ^{[226
]}

Abulaiti, Y. ^{[6
]}

Abusleme Hoffman, A. C. ^{[207
]}

Acharya, B. S. ^{[102
,103
,263
]}

Achkar, B. ^{[80
]}

Adam, L. ^{[152
]}

Bourdarios, C. Adam ^{[5
]}

Adamczyk, L. ^{[132
]}

Adamek, L. ^{[233
]}

Addepalli, S., V ^{[36
]}

Adelman, J. ^{[174
]}

Adiguzel, A. ^{[14
,276
]}

Adorni, S. ^{[81
]}

Adye, T. ^{[204
]}

Affolder, A. A. ^{[206
]}

Afik, Y. ^{[59
]}

Agapopoulou, C. ^{[100
]}

Agaras, M. N. ^{[16
]}

Agarwala, J. ^{[111
,112
]}

Aggarwal, A. ^{[171
]}

Agheorghiesei, C. ^{[39
]}

Aguilar-Saavedra, J. A. ^{[194
,199
,275
]}

Ahmad, A. ^{[59
]}

Ahmadov, F. ^{[126
,273
]}

Ahmed, W. S. ^{[156
]}

Ai, X. ^{[71
,72
]}

Aielli, G. ^{[117
,118
]}

Aizenberg, I ^{[248
]}

Akatsuka, S. ^{[135
]}

Akbiyik, M. ^{[152
]}

Akesson, T. P. A. ^{[149
]}

Akimov, A., V ^{[163
]}

Al Khoury, K. ^{[62
]}

Alberghi, G. L. ^{[33
]}

Albert, J. ^{[244
]}

Albicocco, P. ^{[77
,78
]}

Alconada Verzini, M. J. ^{[139
,140
]}

Alderweireldt, S. ^{[76
]}

Aleksa, M. ^{[59
]}

Aleksandrov, I. N. ^{[126
]}

Alexa, C. ^{[38
]}

机构：

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

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

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

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

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

[6] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA

[7] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[8] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA

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

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

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

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

[13] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[14] Bogazici Univ, Dept Phys, Istanbul, Turkey

[15] Gaziantep Univ, Dept Phys Engn, Gaziantep, Turkey

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

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

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

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

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

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

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

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

[24] Univ Calif Berkeley, Berkeley, CA 94720 USA

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

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

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

[28] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

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

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

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

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

[33] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

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

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

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

[37] Transilvania Univ Brasov, Brasov, Romania

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

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

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

[41] Univ Politehn Bucuresti, Bucharest, Romania

[42] West Univ Timisoara, Timisoara, Romania

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

[44] Slovak Acad Sci, Dept Subnucl Phys, Inst Expt Phys, Kosice, Slovakia

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

[46] Univ Buenos Aires, Dept Fis FCEN, Buenos Aires, DF, Argentina

[47] Univ Buenos Aires, IFIBA, Buenos Aires, DF, Argentina

[48] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina

[49] Calif State Univ Long Beach, Long Beach, CA 90840 USA

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

来源：

PHYSICS LETTERS B | 2022年 / 829卷

基金：

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

关键词：

STRAHLUNG; PROGRAM;

D O I：

10.1016/j.physletb.2022.137066

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying Z boson, are presented. The analysis is performed using proton-proton collisions at a centre-of-mass energy of 13 TeV, delivered by the LHC, corresponding to an integrated luminosity of 139 fb(-1) and recorded by the ATLAS experiment. Assuming Standard Model cross-sections for Z H production, the observed (expected) upper limit on the branching ratio of the Higgs boson to invisible particles is found to be 19% (19%) at the 95% confidence level. Exclusion limits are also set for simplified dark matter models and two-Higgs-doublet models with an additional pseudoscalar mediator. (C) 2022 The Author(s). Published by Elsevier B.V.

引用

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