Test of CP invariance in vector-boson fusion production of the Higgs boson in the H → ττ channel in proton-proton collisions at √s=13TeV with the ATLAS detector

被引：30

作者：

Aad, G. ^{[159
]}

Abbott, B. ^{[190
]}

Abbott, D. C. ^{[160
]}

Abud, A. Abed ^{[60
]}

Abeling, K. ^{[81
]}

Abhayasinghe, D. K. ^{[150
]}

Abidi, S. H. ^{[238
]}

AbouZeid, O. S. ^{[64
]}

Abraham, N. L. ^{[225
]}

Abramowicz, H. ^{[231
]}

Abreu, H. ^{[230
]}

Abulaiti, Y. ^{[8
]}

Acharya, B. S. ^{[105
,106
,266
]}

Achkar, B. ^{[81
]}

Adachi, S. ^{[233
,234
]}

Adam, L. ^{[157
]}

Bourdarios, C. Adam ^{[7
]}

Adamczyk, L. ^{[136
]}

Adamek, L. ^{[238
]}

Adelman, J. ^{[180
]}

Adersberger, M. ^{[171
]}

Adiguzel, A. ^{[16
]}

Adorni, S. ^{[82
]}

Adye, T. ^{[211
]}

Affolder, A. A. ^{[213
]}

Afik, Y. ^{[230
]}

Agapopoulou, C. ^{[103
]}

Agaras, M. N. ^{[62
]}

Aggarwal, A. ^{[177
]}

Agheorghiesei, C. ^{[42
]}

Aguilar-Saavedra, J. A. ^{[201
,206
,278
]}

Ahmadov, F. ^{[129
]}

Ahmed, W. S. ^{[161
]}

Ai, X. ^{[26
,27
]}

Aielli, G. ^{[120
,121
]}

Akatsuka, S. ^{[139
]}

Akesson, T. P. ^{[153
]}

Akilli, E. ^{[82
]}

Akimov, A., V ^{[168
]}

Al Khoury, K. ^{[103
]}

Alberghi, G. L. ^{[34
,35
,36
]}

Albert, J. ^{[249
]}

Verzini, M. J. Alconada ^{[231
]}

Alderweireldt, S. ^{[60
]}

Aleksa, M. ^{[60
]}

Aleksandrov, I. N. ^{[129
]}

Alexa, C. ^{[41
]}

Alexopoulos, T. ^{[12
]}

Alfonsi, A. ^{[178
,179
]}

Alfonsi, F. ^{[34
,35
,36
]}

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 Grenoble Alpes, Univ Savoie Mt Blanc, IN2P3, CNRS,LAPP, 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, Inst Fis Altes Energies 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, Peoples R China

[23] Univ Chinese Acad Sci 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, Fac Ciencias, Bogota, Colombia

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

[34] INFN Bologna, Bologna, Italy

[35] Univ Bologna, Dipartimento Fis, Bologna, Italy

[36] INFN, Sez Bologna, Bologna, Italy

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

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

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

[40] Transilvania Univ Brasov, Brasov, Romania

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

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

[43] Natl Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, 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, Dept Phys, Upton, NY 11973 USA

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

[49] Calif State Univ, Long Beach, CA USA

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

来源：

PHYSICS LETTERS B | 2020年 / 805卷

基金：

欧盟地平线“2020”; 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：

QCD CORRECTIONS; VIOLATION; COUPLINGS; STRAHLUNG; PROGRESS; DECAY;

D O I：

10.1016/j.physletb.2020.135426

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the H -> tau tau decay channel. This test uses the Optimal Observable method and is carried out using 36.1 fb(-1) of root s = 13 TeV proton-proton collision data collected by the ATLAS experiment at the LHC. Contributions from CP-violating interactions between the Higgs boson and electroweak gauge bosons are described by an effective field theory, in which the parameter (d) over tilde governs the strength of CP violation. No sign of CP violation is observed in the distributions of the Optimal Observable, and (d) over tilde is constrained to the interval [-0.090, 0.035] at the 68% confidence level (CL), compared to an expected interval of (d) over tilde is an element of [ -0.035, 0.033] based upon the Standard Model prediction. No constraints can be set on (d) over tilde at 95% CL, while an expected 95% CL interval of (d) over tilde is an element of [ -0.21, 0.15] for the Standard Model hypothesis was expected. (C) 2020 The Author(s). Published by Elsevier B.V.

引用

页数：25

共 50 条

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[7] Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons
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Abicht, N. J.
Abidi, S. H.
Aboulhorma, A.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Abusleme Hoffman, A. C.
Acharya, B. S.
Bourdarios, C. Adam
Adamczyk, L.
Adamek, L.
Addepalli, S. V.
Addison, M. J.
Adelman, J.
Adiguzel, A.
Adye, T.
Affolder, A. A.
Afik, Y.
Agaras, M. N.
Agarwala, J.
Aggarwal, A.
Agheorghiesei, C.
Ahmad, A.
Ahmadov, F.
Ahmed, W. S.
Ahuja, S.
Ai, X.
Aielli, G.
Tamlihat, M. Ait
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Aizenberg, I.
Akbiyik, M.
Akesson, T. P. A.
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Akiyama, D.
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Al Khoury, K.
Alberghi, G. L.
Albert, J.
Albicocco, P.
Albouy, G. L.
Alderweireldt, S.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexopoulos, T.
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[8] Measurements of Higgs boson production by gluon-gluon fusion and vector-boson fusion using H ? WW* ? e?μ? decays in pp collisions at p s=13 TeV with the ATLAS detector ffi
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Abbott, B.
Abbott, D. C.
Abud, A. Abed
Abeling, K.
Abidi, S. H.
Aboulhorma, A.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Abusleme Hoffman, A. C.
Acharya, B. S.
Achkar, B.
Adam, L.
Bourdarios, C. Adam
Adamczyk, L.
Adamek, L.
Addepalli, S. V.
Adelman, J.
Adiguzel, A.
Adorni, S.
Adye, T.
Affolder, A. A.
Afik, Y.
Agaras, M. N.
Agarwala, J.
Aggarwal, A.
Agheorghiesei, C.
Aguilar-Saavedra, J. A.
Ahmad, A.
Ahmadov, F.
Ahmed, W. S.
Ai, X.
Aielli, G.
Aizenberg, I.
Akbiyik, M.
Akesson, T. P. A.
Akimov, A. V.
Al Khoury, K.
Alberghi, G. L.
Albert, J.
Albicocco, P.
Alconada Verzini, M. J.
Alderweireldt, S.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexopoulos, T.
Alfonsi, A.
Alfonsi, F.
PHYSICAL REVIEW D, 2023, 108 (03)
[9] Measurements of differential Z boson production cross sections in proton-proton collisions at √s=13 TeV
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Brandstetter, J.
Dragicevic, M.
Eroe, J.
Del Valle, A. Escalante
Flechl, M.
Fruehwirth, R.
Ghete, V. M.
Hrubec, J.
Jeitler, M.
Krammer, N.
Kraetschmer, I.
Liko, D.
Madlener, T.
Mikulec, I.
Rad, N.
Rohringer, H.
Schieck, J.
Schoefbeck, R.
Spanring, M.
Spitzbart, D.
Taurok, A.
Waltenberger, W.
Wittmann, J.
Wulz, C. -E.
Zarucki, M.
Chekhovsky, V.
Mossolov, V.
Gonzalez, J. Suarez
De Wolf, E. A.
Di Croce, D.
Janssen, X.
Lauwers, J.
Pieters, M.
Van de Klundert, M.
Janssen, X.
Lauwers, J.
Pieters, M.
Van de Klundert, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Abu Zeid, S.
Blekman, F.
D'Hondt, J.
JOURNAL OF HIGH ENERGY PHYSICS, 2019, (12):
[10] Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s=13 TeV with the ATLAS detector
Aad, G.
Abbott, B.
Abbott, D. C.
Abud, A.
Abeling, K.
Abhayasinghe, D. K.
Abidi, S. H.
AbouZeid, O. S.
Abraham, N. L.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B. S.
Achkar, B.
Adachi, S.
Adam, L.
Bourdarios, Adam C.
Adamczyk, L.
Adamek, L.
Adelman, J.
Adersberger, M.
Adiguzel, A.
Adorni, S.
Adye, T.
Affolder, A. A.
Afik, Y.
Agapopoulou, C.
Agaras, M. N.
Aggarwal, A.
Agheorghiesei, C.
Aguilar-Saavedra, J. A.
Ahmadov, F.
Ahmed, W. S.
Ai, X.
Aielli, G.
Akatsuka, S.
Akesson, T. P. A.
Akilli, E.
Akimov, A. V.
Al Khoury, K.
Alberghi, G. L.
Albert, J.
Alconada Verzini, M. J.
Alderweireldt, S.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexandre, D.
Alexopoulos, T.
Alfonsi, A.
JOURNAL OF HIGH ENERGY PHYSICS, 2020, (07):

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