Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at √s=13 TeV

被引：0

作者：

Hayrapetyan, A. ^{[1
]}

Tumasyan, A. ^{[1
,206
]}

Adam, W. ^{[2
]}

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

Bergauer, T. ^{[2
]}

Chatterjee, S. ^{[2
,62
]}

Damanakis, K. ^{[2
]}

Dragicevic, M. ^{[2
]}

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

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

Jeitler, M. ^{[2
,207
]}

Krammer, N. ^{[2
]}

Lechner, L. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Schieck, J. ^{[2
,207
]}

Schoefbeck, R. ^{[2
]}

Schwarz, D. ^{[2
]}

Sonawane, M. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,207
]}

Darwish, M. R. ^{[3
,208
]}

Janssen, T. ^{[3
]}

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

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
]}

Makarenko, I. ^{[4
]}

Morton, A. ^{[4
]}

Mueller, D. ^{[4
]}

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

Tavernier, S. ^{[4
]}

Van Putte, S. ^{[4
]}

Vannerom, D. ^{[4
]}

Clerbaux, B. ^{[5
]}

Dansana, S. ^{[5
]}

De Lentdecker, G. ^{[5
]}

Favart, L. ^{[5
]}

Hohov, D. ^{[5
]}

Jaramillo, J. ^{[5
]}

Khalilzadeh, A. ^{[5
]}

Lee, K. ^{[5
,107
]}

Mahdavikhorrami, M. ^{[5
]}

Malara, A. ^{[5
]}

Paredes, S. ^{[5
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] TU Wien, 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 Estadual Paulista, Sao Paulo, Brazil

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

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

[13] Univ Sofia, Sofia, Bulgaria

[14] Univ Tarapaca, Inst Alta Invest, Casilla 7 D, Arica, Chile

[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, Peoples R China

[20] Univ Sci & Technol China, Hefei, Peoples R China

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

[22] Fudan Univ, Key Lab Nucl Phys & Ion beam Applicat MOE, Shanghai, Peoples R China

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

[24] Univ Los Andes, Bogota, Colombia

[25] Univ Antioquia, Medellin, Colombia

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

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

[28] Inst Rudjer Boskov, Zagreb, Croatia

[29] Univ Cyprus, Nicosia, Cyprus

[30] Charles Univ Prague, Prague, Czech Republic

[31] Escuela Politec Nacl, Quito, Ecuador

[32] Univ San Francisco Quito, Quito, Ecuador

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

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

[35] NICPB, Tallinn, Estonia

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

[37] Helsinki Inst Phys, Helsinki, Finland

[38] Lappeenranta Lahti Univ Technol, Lappeenranta, Finland

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

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

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

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

[43] Georgian Tech Univ, Tbilisi, Georgia

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

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

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

[47] Deutsch Elekt Synchrotron, Hamburg, Germany

[48] Univ Hamburg, Hamburg, Germany

[49] Karlsruher Inst Technol, Karlsruhe, Germany

[50] NCSR Demokritos, Inst Nucl & Particle Phys INPP, Aghia Paraskevi, Greece

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 05期

基金：

巴西圣保罗研究基金会; 英国科学技术设施理事会; 芬兰科学院; 欧盟地平线“2020”; 欧洲研究理事会;

关键词：

Beyond Standard Model; Hadron-Hadron Scattering; Vector Boson Production; PP COLLISIONS; MODEL; NEUTRINO; SYMMETRY;

D O I：

10.1007/JHEP05(2024)046

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：

A search for W' bosons decaying to a top and a bottom quark in final states including an electron or a muon is performed with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosity of 138 fb(-1) of proton-proton collisions at a center-of-mass energy of 13TeV. Good agreement with the standard model expectation is observed and no evidence for the existence of the W' boson is found over the mass range examined. The largest observed deviation from the standard model expectation is found for a W' boson mass (m(W)') hypothesis of 3.8TeV with a relative decay width of 1%, with a local (global) significance of 2.6 (2.0) standard deviations. Upper limits on the production cross sections of W' bosons decaying to a top and a bottom quark are set. Left- and right-handed W' bosons with m(W)' below 3.9 and 4.3TeV, respectively, are excluded at the 95% confidence level, under the assumption that the new particle has a narrow decay width. Limits are also set for relative decay widths up to 30%.

引用

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