Measurement of the W± Z boson pair-production cross section in pp collisions at √s=13 TeV with the ATLAS detector

被引：44

作者：

Aaboud, M. ^{[186
,187
]}

Aad, G. ^{[121
,122
]}

Abbott, B. ^{[152
]}

Abdallah, J. ^{[94
]}

Abdinov, O. ^{[14
]}

Abeloos, B. ^{[156
]}

Aben, R. ^{[146
,147
]}

AbouZeid, O. S. ^{[190
]}

Abraham, N. L. ^{[207
]}

Abramowicz, H. ^{[211
]}

Abreu, H. ^{[210
]}

Abreu, R. ^{[155
]}

Abulaiti, Y. ^{[202
,203
]}

Acharya, B. S. ^{[224
,225
,245
]}

Adamczyk, L. ^{[62
]}

Adams, D. L. ^{[38
]}

Adelman, J. ^{[148
]}

Adomeit, S. ^{[137
]}

Adye, T. ^{[178
]}

Affolder, A. A. ^{[107
]}

Agatonovic-Jovin, T. ^{[16
]}

Agricola, J. ^{[82
]}

Aguilar-Saavedra, J. A. ^{[167
,172
,173
]}

Ahlen, S. P. ^{[32
]}

Ahmadov, F. ^{[96
,246
]}

Aielli, G. ^{[181
,182
]}

Akerstedt, H. ^{[202
,203
]}

Akesson, T. P. A. ^{[117
]}

Akimov, A. V. ^{[133
]}

Alberghi, G. L. ^{[29
,30
]}

Albert, J. ^{[235
]}

Albrand, S. ^{[83
]}

AlconadaVerzini, M. J. ^{[102
,103
]}

Aleksa, M. ^{[45
]}

Aleksandrov, I. N. ^{[96
]}

Alexa, C. ^{[39
]}

Alexander, G. ^{[211
]}

Alexopoulos, T. ^{[12
]}

Alhroob, M. ^{[152
]}

Ali, B. ^{[175
]}

Aliev, M. ^{[105
,106
]}

Alimonti, G. ^{[128
]}

Alison, J. ^{[46
]}

Alkire, S. P. ^{[58
]}

Allbrooke, B. M. M. ^{[207
]}

Allen, B. W. ^{[155
]}

Allport, P. P. ^{[23
]}

Aloisio, A. ^{[142
,143
]}

Alonso, A. ^{[59
]}

Alonso, F. ^{[102
,103
]}

机构：

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

[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA

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

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

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

[6] CNRS, IN2P3, LAPP, Annecy Le Vieux, France

[7] Univ Savoie Mt Blanc, Annecy Le Vieux, France

[8] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

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

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

[11] Univ Athens, Dept Phys, Athens, Greece

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

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

[14] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

[15] Barcelona Inst Sci & Technol, IFAE, Barcelona, Spain

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

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

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

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

[20] Humboldt Univ, Dept Phys, Berlin, Germany

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

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

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

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

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

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

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

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

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

[30] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

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

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

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

[34] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil

[35] Univ Fed Juiz de Fora, Elect Circuits Dept, Juiz de Fora, Brazil

[36] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil

[37] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil

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

[39] Natl Inst Phys & Nucl Engn, Bucharest, Romania

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

[41] West Univ Timisoara, Timisoara, Romania

[42] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

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

[44] Carleton Univ, Dept Phys, Ottawa, ON, Canada

[45] CERN, Geneva, Switzerland

[46] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA

[47] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile

[48] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile

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

[50] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China

来源：

PHYSICS LETTERS B | 2016年 / 762卷

基金：

美国国家科学基金会; 巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会;

关键词：

PARTON DISTRIBUTIONS;

D O I：

10.1016/j.physletb.2016.08.052

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The production of W-+/- Z events in proton-proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC. The collected data correspond to an integrated luminosity of 3.2 fb(-1). The W-+/- Z candidates are reconstructed using leptonic decays of the gauge bosons into electrons or muons. The measured inclusive cross section in the detector fiducial region for leptonic decay modes is sigma(fid.)(W +/- Z -> L'vll) = 63.2 +/- 3.2 (stat.) +/- 2.6 (sys.) +/- 1.5 (lumi.) fb. In comparison, the next-to-leading-order Standard Model prediction is 53.4(-2.8)(+3.6) fb. The extrapolation of the measurement from the fiducial to the total phase space yields sigma(tot.)(W +/- Z) = 50.6 +/- 2.6 (stat.) +/- 2.0 (sys.) +/- 0.9 (th.) +/- 1.2 (lumi.) pb, in agreement with a recent next-to-next-to-leading-order calculation of 48.2(-1.0)(+1.1) pb. The cross section as a function of jet multiplicity is also measured, together with the charge-dependent W+ Z and W- Z cross sections and their ratio. (C) 2016 The Author(s). Published by Elsevier B.V.

引用

页码：1 / 22

页数：22

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