Search for Light Long-Lived Particles in pp Collisions at √s=13 TeV Using Displaced Vertices in the ATLAS Inner Detector

被引：0

作者：

Aad, G. ^{[161
]}

Aakvaag, E. ^{[18
]}

Abbott, B. ^{[185
]}

Abdelhameed, S. ^{[180
]}

Abeling, K. ^{[82
]}

Abicht, N. J. ^{[75
]}

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

Aboelela, M. ^{[68
]}

Aboulhorma, A. ^{[59
]}

Abramowicz, H. ^{[230
]}

Abreu, H. ^{[229
]}

Abulaiti, Y. ^{[182
]}

Acharya, B. S. ^{[108
,109
,255
]}

Ackermann, A. ^{[98
]}

Bourdarios, C. Adam ^{[5
]}

Adamczyk, L. ^{[140
]}

Addepalli, S. V. ^{[35
]}

Addison, M. J. ^{[160
]}

Adelman, J. ^{[179
]}

Adiguzel, A. ^{[27
]}

Adye, T. ^{[204
]}

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

Afik, Y. ^{[62
]}

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

Agarwala, J. ^{[117
,118
]}

Aggarwal, A. ^{[159
]}

Agheorghiesei, C. ^{[38
]}

Ahmad, A. ^{[61
]}

Ahmadov, F. ^{[61
,256
]}

Ahmed, W. S. ^{[163
]}

Ahuja, S. ^{[153
]}

Ai, X. ^{[97
]}

Aielli, G. ^{[123
,124
]}

Aikot, A. ^{[245
]}

Tamlihat, M. Ait ^{[57
]}

Aitbenchikh, B. ^{[55
]}

Akbiyik, M. ^{[159
]}

Akesson, T. P. A. ^{[156
]}

Akimov, A. V. ^{[61
]}

Akiyama, D. ^{[250
]}

Akolkar, N. N. ^{[33
]}

Aktas, S. ^{[25
]}

Al Khoury, K. ^{[64
]}

Alberghi, G. L. ^{[32
]}

Albert, J. ^{[247
]}

Albicocco, P. ^{[79
,80
]}

Albouy, G. L. ^{[88
]}

Alderweireldt, S. ^{[78
]}

Alegria, Z. L. ^{[186
]}

Aleksa, M. ^{[61
]}

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 Mt Blanc, LAPP, CNRS, IN2P3, Annecy, France

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

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

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

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

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

[11] Natl Tech Univ Athens, Dept Phys, 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] 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 94720 USA

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

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

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

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

[25] Bogazici Univ, Dept Phys, Istanbul, Turkiye

[26] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkiye

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

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

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

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

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

[32] INFN, Sez Bologna, Bologna, Italy

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

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

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

[36] Transilvania Univ Brasov, Brasov, Romania

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

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

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

[40] Natl Univ Sci & Technol Politech, Bucharest, Romania

[41] West Univ Timisoara, Timisoara, Romania

[42] Univ Bucharest, Fac Phys, Bucharest, Romania

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

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

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

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

[47] Consejo Nacl Invest Cient & Tecn, Inst Fis Buenos Aires IFIBA, Buenos Aires, DF, Argentina

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

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

[50] Univ Cape Town, Dept Phys, Cape Town, South Africa

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 133卷 / 16期

基金：

瑞士国家科学基金会; 欧洲研究理事会; 中国国家自然科学基金; 巴西圣保罗研究基金会; 瑞典研究理事会; 加拿大自然科学与工程研究理事会; 日本学术振兴会;

关键词：

83;

D O I：

10.1103/PhysRevLett.133.161803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for long-lived particles (LLPs) using 140 fb(-1) of pp collision data with root s = 13 TeV recorded by the ATLAS experiment at the LHC is presented. The search targets LLPs with masses between 5 and 55 GeV that decay hadronically in the ATLAS inner detector. Benchmark models with LLP pair production from exotic decays of the Higgs boson and models featuring long-lived axionlike particles (ALPs) are considered. No significant excess above the expected background is observed. Upper limits are placed on the branching ratio of the Higgs boson to pairs of LLPs, the cross section for ALPs produced in association with a vector boson, and, for the first time, on the branching ratio of the top quark to an ALP and a u/c quark.

引用

页数：24

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