Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons

被引：0

作者：

G. Aad ^{[23
]}

B. Abbott ^{[44
]}

K. Abeling ^{[52
]}

N. J. Abicht ^{[55
]}

S. H. Abidi ^{[56
]}

A. Aboulhorma ^{[61
]}

H. Abramowicz ^{[167
]}

H. Abreu ^{[214
]}

Y. Abulaiti ^{[269
]}

A. C. Abusleme Hoffman ^{[153
]}

B. S. Acharya ^{[172
]}

C. Adam Bourdarios ^{[84
]}

L. Adamczyk ^{[78
]}

L. Adamek ^{[47
]}

S. V. Addepalli ^{[63
]}

M. J. Addison ^{[216
]}

J. Adelman ^{[215
]}

A. Adiguzel ^{[169
]}

T. Adye ^{[195
]}

A. A. Affolder ^{[105
]}

Y. Afik ^{[106
]}

M. N. Agaras ^{[248
]}

J. Agarwala ^{[5
]}

A. Aggarwal ^{[135
]}

C. Agheorghiesei ^{[220
]}

A. Ahmad ^{[37
]}

F. Ahmadov ^{[152
]}

W. S. Ahmed ^{[166
]}

S. Ahuja ^{[29
]}

X. Ai ^{[192
]}

G. Aielli ^{[194
]}

M. Ait Tamlihat ^{[65
]}

B. Aitbenchikh ^{[14
]}

I. Aizenberg ^{[114
]}

M. Akbiyik ^{[115
]}

T. P. A. Åkesson ^{[151
]}

A. V. Akimov ^{[40
]}

D. Akiyama ^{[65
]}

N. N. Akolkar ^{[13
]}

K. Al Khoury ^{[155
]}

G. L. Alberghi ^{[146
]}

J. Albert ^{[92
]}

P. Albicocco ^{[120
]}

G. L. Albouy ^{[121
]}

S. Alderweireldt ^{[63
]}

M. Aleksa ^{[59
]}

I. N. Aleksandrov ^{[235
]}

C. Alexa ^{[151
]}

T. Alexopoulos ^{[149
]}

A. Alfonsi ^{[234
]}

机构：

[1] University of Adelaide,Department of Physics

[2] University of Alberta,Department of Physics

[3] Ankara University,Department of Physics

[4] TOBB University of Economics and Technology,Division of Physics

[5] LAPP,High Energy Physics Division

[6] Université Savoie Mont Blanc,Department of Physics

[7] CNRS/IN2P3,Department of Physics

[8] APC,Physics Department

[9] Université Paris Cité,Physics Department

[10] CNRS/IN2P3,Department of Physics

[11] Argonne National Laboratory,Institute of Physics

[12] University of Arizona,Institut de Física d’Altes Energies (IFAE)

[13] University of Texas at Arlington,Institute of High Energy Physics

[14] National and Kapodistrian University of Athens,Physics Department

[15] National Technical University of Athens,Department of Physics

[16] University of Texas at Austin,School of Science

[17] Azerbaijan Academy of Sciences,Institute of Physics

[18] Barcelona Institute of Science and Technology,Department for Physics and Technology

[19] Chinese Academy of Sciences,Physics Division

[20] Tsinghua University,Institut für Physik

[21] Nanjing University,Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics

[22] Shenzhen Campus of Sun Yat-sen University,School of Physics and Astronomy

[23] University of Chinese Academy of Science (UCAS),Department of Physics

[24] University of Belgrade,Department of Physics Engineering

[25] University of Bergen,Department of Physics

[26] Lawrence Berkeley National Laboratory,Facultad de Ciencias y Centro de Investigaciónes

[27] University of California,Departamento de Física

[28] Humboldt Universität zu Berlin,Dipartimento di Fisica e Astronomia A. Righi

[29] University of Bern,Physikalisches Institut

[30] University of Birmingham,Department of Physics

[31] Bogazici University,Department of Physics

[32] Gaziantep University,Department of Physics

[33] Istanbul University,Faculty of Physics

[34] Istinye University,Faculty of Mathematics, Physics and Informatics

[35] Universidad Antonio Nariño,Physics Department

[36] Universidad Nacional de Colombia,Cavendish Laboratory

[37] Università di Bologna,Department of Physics

[38] INFN Sezione di Bologna,Department of Mechanical Engineering Science

[39] Universität Bonn,National Institute of Physics

[40] Boston University,School of Physics

[41] Brandeis University,Department of Physics

[42] Transilvania University of Brasov,Faculté des Sciences

[43] Horia Hulubei National Institute of Physics and Nuclear Engineering,LPMR, Faculté des Sciences

[44] Alexandru Ioan Cuza University of Iasi,Faculté des sciences

[45] National Institute for Research and Development of Isotopic and Molecular Technologies,Institute of Applied Physics

[46] Physics Department,Enrico Fermi Institute

[47] University Politehnica Bucharest,Nevis Laboratory

[48] West University in Timisoara,Niels Bohr Institute

[49] University of Bucharest,Dipartimento di Fisica

[50] Comenius University,INFN Gruppo Collegato di Cosenza

来源：

Journal of High Energy Physics | / 2024卷 / 5期

关键词：

Hadron-Hadron Scattering; Higgs Physics;

D O I：

10.1007/JHEP05(2024)105

中图分类号：

学科分类号：

摘要：

A search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the H → ZZ* → 4ℓ (ℓ = e, μ) decay channel. The results are based on proton-proton collision data produced at the LHC at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector from 2015 to 2018, corresponding to an integrated luminosity of 139 fb−1. Matrix element-based optimal observables are used to constrain CP-odd couplings beyond the Standard Model in the framework of Standard Model effective field theory expressed in the Warsaw and Higgs bases. Differential fiducial cross-section measurements of the optimal observables are also performed, and a new fiducial cross-section measurement for vector-boson-fusion production is provided. All measurements are in agreement with the Standard Model prediction of a CP-even Higgs boson.

引用

共 50 条

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