Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at √s=7 and 8 TeV

被引：44

作者：

Hayrapetyan, A. ^{[1
]}

Tumasyan, A. ^{[1
,466
]}

Adam, W. ^{[2
]}

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

Bergauer, T. ^{[2
]}

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

Damanakis, K. ^{[2
]}

Dragicevic, M. ^{[2
]}

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

Jeitler, M. ^{[2
,467
]}

Krammer, N. ^{[2
]}

Li, A. ^{[2
,216
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Schieck, J. ^{[2
,467
]}

Schofbeck, R. ^{[2
]}

Schwarz, D. ^{[2
]}

Sonawane, M. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,467
]}

Darwish, M. R. ^{[3
,468
]}

Janssen, T. ^{[3
]}

Van Mechelen, P. ^{[3
]}

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

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

Dansana, S. ^{[4
]}

De Moor, A. ^{[4
]}

Delcourt, M. ^{[4
]}

El Faham, H. ^{[4
]}

Lowette, S. ^{[4
]}

Makarenko, I. ^{[4
]}

Muller, D. ^{[4
]}

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

Tavernier, S. ^{[4
]}

Tytgat, M. ^{[4
,469
]}

Van Putte, S. ^{[4
]}

Vannerom, D. ^{[4
]}

Clerbaux, B. ^{[5
]}

De Lentdecker, G. ^{[5
]}

Favart, L. ^{[5
]}

Hohov, D. ^{[5
]}

Jaramillo, J. ^{[5
]}

Khalilzadeh, A. ^{[5
]}

Lee, K. ^{[5
,110
]}

Mahdavikhorrami, M. ^{[5
]}

Malara, A. ^{[5
]}

Paredes, S. ^{[5
]}

Petre, L. ^{[5
]}

Postiau, N. ^{[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 Estadual Paulista, Univ Fed ABC, Sao Paulo, Brazil

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

[12] Univ Sofia, Sofia, Bulgaria

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

[14] Beihang Univ, Beijing, Peoples R China

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

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

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

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

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

[20] Nanjing Normal Univ, Nanjing, Peoples R China

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

[22] Fudan Univ, Key Lab Nucl Phys & Ionbeam 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 Boskovic, 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] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, 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, CNRS, Lab Leprince Ringuet,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] Deutsches 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：

PHYSICAL REVIEW LETTERS | 2024年 / 132卷 / 26期

基金：

欧盟地平线“2020”; 瑞士国家科学基金会; 中国国家自然科学基金; 瑞典研究理事会; 巴西圣保罗研究基金会; 芬兰科学院; 欧洲研究理事会; 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：

Center-of-mass energies - Centre-of-mass energies - Integrated luminosity - Mass measurements - Measurements of - Proton proton collisions - Quark mass - Semileptonic decay - Top quarks - Total uncertainties;

D O I：

10.1103/PhysRevLett.132.261902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The datasets used correspond to an integrated luminosity of up to 5 and 20 fb(-1) of proton-proton collisions at center-of-mass energies of 7 and 8 TeV, respectively. The combination includes measurements in top quark pair events that exploit both the semileptonic and hadronic decays of the top quark, and a measurement using events enriched in single top quark production via the electroweak t channel. The combination accounts for the correlations between measurements and achieves an improvement in the total uncertainty of 31% relative to the most precise input measurement. The result is m(t) = 172.52 +/- 0.14(stat) +/- 0.30(stat) GeV, with a total uncertainty of 0.33 GeV.

引用

页数：37

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