Search for long-lived particles decaying to a pair of muons in proton-proton collisions at √s=13 TeV

被引：0

作者：

Tumasyan, A. ^{[1
,202
]}

Adam, W. ^{[2
]}

Andrejkovic, J. W. ^{[2
]}

Bergauer, T. ^{[2
]}

Chatterjee, S. ^{[2
]}

Damanakis, K. ^{[2
]}

Dragicevic, M. ^{[2
]}

Del Valle, A. Escalante ^{[2
]}

Hussain, P. S. ^{[2
]}

Jeitler, M. ^{[2
,203
]}

Krammer, N. ^{[2
]}

Kulkarni, S. ^{[2
,204
]}

Lechner, L. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Paulitsch, P. ^{[2
]}

Pitters, F. M. ^{[2
]}

Schieck, J. ^{[2
,203
]}

Schoefbeck, R. ^{[2
]}

Schwarz, D. ^{[2
]}

Sonawane, M. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,203
]}

Darwish, M. R. ^{[3
,205
]}

Janssen, T. ^{[3
]}

Kello, T. ^{[3
,5
]}

Sfar, H. Rejeb ^{[3
]}

Van Mechelen, P. ^{[3
]}

Bols, E. S. ^{[4
]}

D'Hondt, J. ^{[4
]}

De Moor, A. ^{[4
]}

Delcourt, M. ^{[4
]}

El Faham, H. ^{[4
]}

Lowette, S. ^{[4
]}

Moortgat, S. ^{[4
]}

Morton, A. ^{[4
]}

Mueller, D. ^{[4
]}

Sahasransu, A. R. ^{[4
]}

Tavernier, S. ^{[4
]}

Van Doninck, W. ^{[4
]}

Vannerom, D. ^{[4
]}

Clerbaux, B. ^{[5
]}

De Lentdecker, G. ^{[5
]}

Favart, L. ^{[5
]}

Jaramillo, J. ^{[5
]}

Lee, K. ^{[5
,106
]}

Mahdavikhorrami, M. ^{[5
]}

Makarenko, I. ^{[5
,201
]}

Malara, A. ^{[5
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] Inst Hochenergiephys, Vienna, Austria

[3] Univ Antwerp, Antwerp, Belgium

[4] Vrije Univ Brussel, Brussels, Belgium

[5] Univ Libre Bruxelles, Brussels, Belgium

[6] Univ Ghent, Ghent, Belgium

[7] Catholic Univ Louvain, Louvain La Neuve, Belgium

[8] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[9] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[10] Univ Fed ABC, Univ Estadual Paulista, Sao Paulo, Brazil

[11] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[12] Univ Sofia, Sofia, Bulgaria

[13] Beihang Univ, Beijing, Peoples R China

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

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

[16] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China

[17] Sun Yat Sen Univ, Guangzhou, Peoples R China

[18] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China

[19] Fudan Univ, Key Lab Nucl Phys & Ionbeam Applicat MOE, Shanghai, Peoples R China

[20] Zhejiang Univ, Hangzhou, Zhejiang, Peoples R China

[21] Univ Los Andes, Bogota, Colombia

[22] Univ Antioquia, Medellin, Colombia

[23] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[24] Univ Split, Fac Sci, Split, Croatia

[25] Inst Rudjer Boskov, Zagreb, Croatia

[26] Univ Cyprus, Nicosia, Cyprus

[27] Charles Univ Prague, Prague, Czech Republic

[28] Escuela Politec Nacl, Quito, Ecuador

[29] Univ San Francisco Quito, Quito, Ecuador

[30] Egyptian Network High Energy Phys, Acad Sci Res & Technol Arab Republ Egypt, Cairo, Egypt

[31] Fayoum Univ, Ctr High Energy Phys CHEP FU, Al Fayyum, Egypt

[32] NICPB, Tallinn, Estonia

[33] Univ Helsinki, Dept Phys, Helsinki, Finland

[34] Helsinki Inst Phys, Helsinki, Finland

[35] Lappeenranta Lahti Univ Technol, Lappeenranta, Finland

[36] Univ Paris Saclay, CEA, IRFU, Gif Sur Yvette, France

[37] Inst Polytech Paris, Lab Leprince Ringuet, Ecole Polytech, CNRS,IN2P3, Palaiseau, France

[38] Univ Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France

[39] Inst Phys 2 Infinis Lyon IP2I, Villeurbanne, France

[40] Georgian Tech Univ, Tbilisi, Georgia

[41] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany

[42] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[43] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[44] DESY, Hamburg, Germany

[45] Univ Hamburg, Hamburg, Germany

[46] Karlsruher Inst Technol, Karlsruhe, Germany

[47] NCSR Demokritos, INPP, Aghia Paraskevi, Greece

[48] Natl & Kapodistrian Univ Athens, Athens, Greece

[49] Natl Tech Univ Athens, Athens, Greece

[50] Univ Ioannina, Ioannina, Greece

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 05期

基金：

欧洲研究理事会; 欧盟地平线“2020”; 芬兰科学院; 巴西圣保罗研究基金会;

关键词：

Exotics; Hadron-Hadron Scattering; Lifetime;

D O I：

10.1007/JHEP05(2023)228

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：

An inclusive search for long-lived exotic particles decaying to a pair of muons is presented. The search uses data collected by the CMS experiment at the CERN LHC in proton-proton collisions at root s = 13 TeV in 2016 and 2018 and corresponding to an integrated luminosity of 97.6 fb(-1). The experimental signature is a pair of oppositely charged muons originating from a common secondary vertex spatially separated from the pp interaction point by distances ranging from several hundred mu m to several meters. The results are interpreted in the frameworks of the hidden Abelian Higgs model, in which the Higgs boson decays to a pair of long-lived dark photons Z(D), and of a simplified model, in which long-lived particles are produced in decays of an exotic heavy neutral scalar boson. For the hidden Abelian Higgs model with m(Z(D)) greater than 20 GeV and less than half the mass of the Higgs boson, they provide the best limits to date on the branching fraction of the Higgs boson to dark photons for c tau(Z(D)) (varying with m(Z(D))) between 0.03 and approximate to 0.5 mm, and above approximate to 0.5 m. Our results also yield the best constraints on long-lived particles with masses larger than 10 GeV produced in decays of an exotic scalar boson heavier than the Higgs boson and decaying to a pair of muons.

引用

页数：58

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