Measurement of total and differential W plus w- production cross sections in proton-proton collisions at √s=8 TeV with the ATLAS detector and limits on anomalous triple-gauge-boson couplings

被引：0

作者：

Aad, G. ^{[122
,123
]}

Abbott, B. ^{[155
]}

Abdallah, J. ^{[213
]}

Abdinov, O. ^{[14
]}

Aben, R. ^{[148
,149
]}

Abolins, M. ^{[128
]}

AbouZeid, O. S. ^{[221
]}

Abramowicz, H. ^{[215
]}

Abreu, H. ^{[214
]}

Abreu, R. ^{[158
]}

Abulaiti, Y. ^{[208
]}

Acharya, B. S. ^{[227
,228
,248
]}

Adamczyk, L. ^{[61
]}

Adams, D. L. ^{[37
]}

Adelman, J. ^{[150
]}

Adomeit, S. ^{[139
]}

Adye, T. ^{[181
]}

Affolder, A. A. ^{[108
]}

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

Agricola, J. ^{[81
]}

Aguilar-Saavedra, J. A. ^{[170
,175
,176
]}

Ahlen, S. P. ^{[31
]}

Ahmadov, F. ^{[97
,249
]}

Aielli, G. ^{[184
,185
]}

Akerstedt, H. ^{[207
,208
]}

Akesson, T. P. A. ^{[118
]}

Akimov, A. V. ^{[135
]}

Alberghi, G. L. ^{[28
,29
]}

Albert, J. ^{[238
]}

Albrand, S. ^{[82
]}

Alconada Verzini, M. J. ^{[103
,104
]}

Aleksa, M. ^{[43
]}

Aleksandrov, I. N. ^{[97
]}

Alexa, C. ^{[38
]}

Alexander, G. ^{[215
]}

Alexopoulos, T. ^{[13
]}

Alhroob, M. ^{[155
]}

Alimonti, G. ^{[129
]}

Alio, L. ^{[122
,123
]}

Alison, J. ^{[44
]}

Alkire, S. P. ^{[57
]}

Allbrooke, B. M. M. ^{[211
]}

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

Aloisio, A. ^{[52
,144
,145
,148
,185
,268
]}

Alonso, A. ^{[58
]}

Alonso, F. ^{[103
,104
]}

Alpigiani, C. ^{[196
]}

Gonzalez, B. Alvarez ^{[43
]}

Alvarez Piqueras, D. ^{[232
,233
,234
,235
,236
]}

Alviggi, M. G. ^{[144
,145
]}

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] Istanbul Aydin Univ, Istanbul, Turkey

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

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

[8] Univ Savoie Mont Blanc, Annecy Le Vieux, France

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

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

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

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

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

[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] Dogus Univ, Dept Phys, Istanbul, Turkey

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

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

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

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

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

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

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

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

[35] Univ Fed Sao Joao del Rei, Sao Joao del Rei, Brazil

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

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

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

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

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

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

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

[43] CERN, Geneva, Switzerland

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

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

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

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

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

[49] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China

[50] Shandong Univ, Sch Phys, Qingdao, Shandong, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 09期

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：

Electroweak interaction; Hadron-Hadron scattering (experiments); QCD; PARTON DISTRIBUTIONS; W+W-PRODUCTION; MONTE-CARLO;

D O I：

10.1007/JHEP09(2016)029

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：

The production of W boson pairs in proton-proton collisions at root s = 8TeV is studied using data corresponding to 20.3 fb(-1) of integrated luminosity collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The W bosons are reconstructed using their leptonic decays into electrons or muons and neutrinos. Events with reconstructed jets are not included in the candidate event sample. A total of 6636 W W candidate events are observed. Measurements are performed in fiducial regions closely approximating the detector acceptance. The integrated measurement is corrected for all acceptance effects and for the W branching fractions to leptons in order to obtain the total W W production cross section, which is found to be 71.1 +/- 1.1( stat) + (5.7) (5.0) (syst) +/- 1 : 4( lumi) pb. This agrees with the next-to-next-to-leading-order Standard Model prediction of 63.2(+1.6) (-1.4) (scale) +/- 1.2(PDF) pb. Fiducial differential cross sections are measured as a function of each of six kinematic variables. The distribution of the transverse momentum of the leading lepton is used to set limits on anomalous triple-gauge-boson couplings.

引用

页数：81

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