Precise measurements of W- and Z-boson transverse momentum spectra with the ATLAS detector using pp collisions at √s=5.02 TeV and 13 TeV

被引：0

作者：

Aad, G. ^{[160
]}

Abbott, B. ^{[180
]}

Abeling, K. ^{[84
]}

Abicht, N. J. ^{[77
]}

Abidi, S. H. ^{[47
]}

Aboulhorma, A. ^{[61
]}

Abramowicz, H. ^{[224
]}

Abreu, H. ^{[223
]}

Abulaiti, Y. ^{[177
]}

Acharya, B. S. ^{[108
,109
,258
]}

Bourdarios, C. Adam ^{[5
]}

Adamczyk, L. ^{[139
]}

Adamek, L. ^{[229
]}

Addepalli, S. V. ^{[38
]}

Addison, M. J. ^{[159
]}

Adelman, J. ^{[175
]}

Adiguzel, A. ^{[30
]}

Adye, T. ^{[199
]}

Affolder, A. A. ^{[201
]}

Afik, Y. ^{[63
]}

Agaras, M. N. ^{[14
]}

Agarwala, J. ^{[117
,118
]}

Aggarwal, A. ^{[158
]}

Agheorghiesei, C. ^{[41
]}

Ahmad, A. ^{[63
]}

Ahmadov, F. ^{[13
,63
]}

Ahmed, W. S. ^{[162
]}

Ahuja, S. ^{[152
]}

Ai, X. ^{[92
,93
]}

Aielli, G. ^{[123
,124
]}

Aikot, A. ^{[236
,239
]}

Tamlihat, M. Ait ^{[61
]}

Aitbenchikh, B. ^{[58
]}

Aizenberg, I. ^{[245
]}

Akbiyik, M. ^{[158
]}

Akesson, T. P. A. ^{[155
]}

Akimov, A. V. ^{[63
]}

Akiyama, D. ^{[244
]}

Akolkar, N. N. ^{[36
]}

Al Khoury, K. ^{[66
]}

Alberghi, G. L. ^{[35
]}

Albert, J. ^{[241
]}

Albicocco, P. ^{[81
,82
]}

Albouy, G. L. ^{[90
]}

Alderweireldt, S. ^{[80
]}

Aleksa, M. ^{[63
]}

Aleksandrov, I. N. ^{[63
]}

Alexa, C. ^{[40
]}

Alexopoulos, T. ^{[11
]}

Alfonsi, F. ^{[35
]}

机构：

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

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

[3] Ankara Univ, Dept Phys, Ankara, Turkiye

[4] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkiye

[5] Univ Savoie Mt Blanc, CNRS, IN2P3, LAPP, Annecy, France

[6] Univ Paris Cite, APC, CNRS, IN2P3, Paris, France

[7] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA

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

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

[10] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece

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

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

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

[14] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Barcelona, Spain

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

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

[17] Nanjing Univ, Dept Phys, Nanjing, Peoples R China

[18] Sun Yat Sen Univ, Sch Sci, Shenzhen Campus, Guangzhou, Peoples R China

[19] Univ Chinese Acad Sci, Beijing, Peoples R China

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

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

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

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

[24] Humboldt Univ, Inst Phys, Berlin, Germany

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

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

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

[28] Bogazici Univ, Dept Phys, Istanbul, Turkiye

[29] Gaziantep Univ, Dept Phys Engn, Gaziantep, Turkiye

[30] Istanbul Univ, Dept Phys, Istanbul, Turkiye

[31] Univ Antonio Narino, Fac Ciencias, Bogota, Colombia

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

[33] Univ Nacl Colombia, Dept Fis, Bogota, Colombia

[34] Univ Bologna, Dipartimento Fis & Astron A Righi, Bologna, Italy

[35] INFN, Sez Bologna, Bologna, Italy

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

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

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

[39] Transilvania Univ Brasov, Brasov, Romania

[40] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[41] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania

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

[43] Natl Univ Sci & Technol Politech, Bucharest, Romania

[44] West Univ Timisoara, Timisoara, Romania

[45] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[46] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice, Slovakia

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

[48] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, Buenos Aires, DF, Argentina

[49] Consejo Nacl Invest Cient & Tecn, Inst Fis Buenos Aires IFIBA, Buenos Aires, DF, Argentina

[50] Calif State Univ Los Angeles, Los Angeles, CA 90032 USA

来源：

EUROPEAN PHYSICAL JOURNAL C | 2024年 / 84卷 / 10期

基金：

欧盟地平线“2020”; 瑞士国家科学基金会; 瑞典研究理事会; 中国国家自然科学基金; 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; 日本学术振兴会; 欧洲研究理事会;

关键词：

PAIR PRODUCTION;

D O I：

10.1140/epjc/s10052-024-13414-0

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：

This paper describes measurements of the transverse momentum spectra of W and Z bosons produced in proton-proton collisions at centre-of-mass energies of root s = 5.02 TeV and root s = 13 TeV with the ATLAS experiment at the Large Hadron Collider. Measurements are performed in the electron and muon channels, W -> l nu and Z -> ll (l = e or mu), and for W events further separated by charge. The data were collected in 2017 and 2018, in dedicated runs with reduced instantaneous luminosity, and correspond to 255 and 338 pb(-1) at root s = 5.02 TeV and 13 TeV, respectively. These conditions optimise the reconstruction of the W-boson transverse momentum. The distributions observed in the electron and muon channels are unfolded, combined, and compared to QCD calculations based on parton shower Monte Carlo event generators and analytical resummation. The description of the transverse momentum distributions by Monte Carlo event generators is imperfect and shows significant differences largely common to W-, W+ and Z production. The agreement is better at root s = 5.02 TeV, especvially for predictions that were tuned to Z production data at root s = 7 TeV. Higher-order, resummed predictions based on DYTURBO generally match the data best across the spectra. Distribution ratios are also presented and test the understanding of differences between the production processes.

引用

页数：60

共 50 条

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