Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector

被引：29

作者：

Aaboud, M. ^{[54
,55
]}

Aad, G. ^{[153
]}

Abbott, B. ^{[182
]}

Abdinov, O. ^{[18
]}

Abeloos, B. ^{[186
]}

Abhayasinghe, D. K. ^{[144
]}

Abidi, S. H. ^{[230
]}

AbouZeid, O. S. ^{[61
]}

Abraham, N. L. ^{[217
]}

Abramowicz, H. ^{[223
]}

Abreu, H. ^{[222
]}

Abulaiti, Y. ^{[8
]}

Acharya, B. S. ^{[99
,100
,260
]}

Adachi, S. ^{[225
,226
]}

Adam, L. ^{[151
]}

Adamczyk, L. ^{[130
]}

Adelman, J. ^{[174
]}

Adersberger, M. ^{[166
]}

Adiguzel, A. ^{[16
,175
,176
,272
]}

Adye, T. ^{[203
]}

Affolder, A. A. ^{[209
]}

Afik, Y. ^{[222
]}

Agheorghiesei, C. ^{[40
]}

Aguilar-Saavedra, J. A. ^{[194
,199
,271
]}

Ahmadov, F. ^{[18
,123
]}

Aielli, G. ^{[114
,115
]}

Akatsuka, S. ^{[133
]}

Akesson, T. P. A. ^{[147
]}

Akilli, E. ^{[78
]}

Akimov, A. V. ^{[162
]}

Alberghi, G. L. ^{[33
,34
]}

Albert, J. ^{[241
]}

Albicocco, P. ^{[74
,75
]}

Alconada Verzini, M. J. ^{[137
,138
]}

Alderweireldt, S. ^{[172
]}

Aleksa, M. ^{[57
]}

Aleksandrov, I. N. ^{[123
]}

Alexa, C. ^{[39
]}

Alexandre, D. ^{[28
]}

Alexopoulos, T. ^{[12
]}

Alhroob, M. ^{[182
]}

Ali, B. ^{[201
]}

Alimonti, G. ^{[104
]}

Alison, J. ^{[58
]}

Alkire, S. P. ^{[208
]}

Allaire, C. ^{[186
]}

Allbrooke, B. M. M. ^{[217
]}

Allen, B. W. ^{[185
]}

Allport, P. P. ^{[31
]}

Aloisio, A. ^{[106
,107
]}

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] Univ Savoie Mt Blanc, Univ Grenoble Alpes, CNRS, LAPP,IN2P3, Annecy, 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] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece

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

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

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

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

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

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

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

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

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

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

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

[23] UCAS, Beijing, Peoples R China

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

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

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

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

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

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

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

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

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

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

[34] INFN, Sez Bologna, Bologna, Italy

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

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

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

[38] Transilvania Univ Brasov, Brasov, Romania

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

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

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

[42] West Univ Timisoara, Timisoara, Romania

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

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

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

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

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

[48] Univ Cape Town, Dept Phys, Cape Town, South Africa

[49] Univ Johannesburg, Dept Mech Engn Sci, Johannesburg, South Africa

[50] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2019年 / 2019卷 / 04期

基金：

加拿大自然科学与工程研究理事会; 巴西圣保罗研究基金会; 欧盟地平线“2020”;

关键词：

Hadron-Hadron scattering (experiments); HIGGS-BOSON PRODUCTION; ZZ PRODUCTION; PP COLLISIONS; LHC; 4L; DISTRIBUTIONS; 2L2V;

D O I：

10.1007/JHEP04(2019)048

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 measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb(-1) of proton-proton collisions at root s = 13 TeV delivered by the Large Hadron Collider. The differential cross-section is measured for events containing two same-flavour opposite-sign lepton pairs. It exhibits a rich structure, with different mass regions dominated in the Standard Model by single Z boson production, Higgs boson production, and Z boson pair production, and non-negligible interference effects at high invariant masses. The measurement is compared with state-of-the-art Standard Model calculations, which are found to be consistent with the data. These calculations are used to interpret the data in terms of gg -> ZZ -> 4l and Z -> 4l subprocesses, and to place constraints on a possible contribution from physics beyond the Standard Model.

引用

页数：50

共 50 条

[1] Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector
M. Aaboud
G. Aad
B. Abbott
O. Abdinov
B. Abeloos
D. K. Abhayasinghe
S. H. Abidi
O. S. AbouZeid
N. L. Abraham
H. Abramowicz
H. Abreu
Y. Abulaiti
B. S. Acharya
S. Adachi
L. Adam
L. Adamczyk
J. Adelman
M. Adersberger
A. Adiguzel
T. Adye
A. A. Affolder
Y. Afik
C. Agheorghiesei
J. A. Aguilar-Saavedra
F. Ahmadov
G. Aielli
S. Akatsuka
T. P. A. Åkesson
E. Akilli
A. V. Akimov
G. L. Alberghi
J. Albert
P. Albicocco
M. J. Alconada Verzini
S. Alderweireldt
M. Aleksa
I. N. Aleksandrov
C. Alexa
D. Alexandre
T. Alexopoulos
M. Alhroob
B. Ali
G. Alimonti
J. Alison
S. P. Alkire
C. Allaire
B. M. M. Allbrooke
B. W. Allen
P. P. Allport
A. Aloisio
Journal of High Energy Physics, 2019
[2] Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector
Aad, G.
Abbott, B.
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Abud, A. Abed
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Adam, L.
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[4] Measurement of the exclusive γγ → μ+μ- process in proton-proton collisions at √s=13 TeV with the ATLAS detector
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Adiguzel, A.
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Adye, T.
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Afik, Y.
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Agaras, M. N.
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Akesson, T. P. A.
Akilli, E.
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Al Khoury, K.
Alberghi, G. L.
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