Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s= 13 TeV

CMS Collaboration

doi:10.1140/epjc/s10052-018-6049-9

Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s= 13 TeV

CMS Collaboration

A. Alikhanian Yerevan Institute of Physics
Austrian Academy of Sciences
TU Wien
Belarusian State University
University of Antwerp
University of California at Riverside
Purdue University Northwest
Vrije Universiteit Brussel
Université libre de Bruxelles
Ghent University
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Université catholique de Louvain
Centro Brasileiro de Pesquisas Físicas
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Universidade Estadual de Campinas
Universidade Federal do Rio Grande do Sul
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Universidade Federal do ABC
Bulgarian Academy of Sciences
Sofia University St. Kliment Ohridski
Beihang University
CAS - Institute of High Energy Physics
Quaid-I-Azam University
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University of California at Davis
Texas Tech University
Peking University
Tsinghua University
University of Virginia
Universidad de los Andes Colombia
University of Split
Ruder Boskovic Institute
Alikhanov Institute for Theoretical and Experimental Physics
University of Cyprus
Charles University
Joint Institute for Nuclear Research
Universidad San Francisco de Quito
Academy of Scientific Research and Technology
Ain Shams University
Cairo University
Al-Fayoum University
The British University in Egypt
National Institute of Chemical Physics and Biophysics, Tallinn
University of Helsinki
Lappeenranta-Lahti University of Technology
Saha Institute of Nuclear Physics
King Abdulaziz University
Université de Strasbourg
Université de Haute-Alsace
CNRS/IN2P3
Universite Claude Bernard Lyon 1
Lomonosov Moscow State University
Georgian Technical University
Ivane Javakhishvili Tbilisi State University
Ilia State University
RWTH Aachen University
German Electron Synchrotron
University of Hamburg
Brandenburg University of Technology
Institut für Experimentelle Kernphysik
Demokritos National Centre for Scientific Research
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University of Ioannina
Eötvös Loránd University
Wigner Research Centre for Physics
Institute for Nuclear Research
University of Debrecen
Indian Institute of Science Bangalore
National Institute of Science Education and Research
Indian Institute of Technology Bhubaneswar
Institute of Physics Bhubaneswar
Panjab University
Indian Institute of Science Education and Research Pune
University of Delhi
Shoolini University of Biotechnology and Management Sciences
Tata Institute of Fundamental Research
Northwestern University
Indian Institute of Technology Madras
Homi Bhabha National Institute
Fermi National Accelerator Laboratory
Visva-Bharati University
University of Ruhuna
Institute for Research for Fundamental Sciences
Isfahan University of Technology
Yazd University
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University College Dublin
National Institute for Nuclear Physics
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Brown University
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University of Florida
Moscow Institute of Physics and Technology
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
Rutherford Appleton Laboratory
University of Southampton
California Institute of Technology
Novosibirsk State University
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’
Tomsk Polytechnic University
University of Belgrade
CIEMAT
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University of Oviedo
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ETH Zurich - Institute for Particle Physics and Astrophysics (IPA)
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36 引用（Scopus）

摘要

A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at s=13TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9fb--1. The measurement is performed in the ℓℓjj final state with ℓ including electrons and muons, and the jets j corresponding to the quarks produced in the hard interaction. The measured cross section in a kinematic region defined by invariant masses mℓℓ>50GeV, mjj>120GeV, and transverse momenta pTj>25GeV is σEW(ℓℓjj)=534±20(stat)±57(syst) fb, in agreement with leading-order standard model predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. No evidence is found and limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are -2.6<cWWW/Λ2<2.6TeV-2 and -8.4<cW/Λ2<10.1TeV-2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.

源语言	英语
文章编号	589
期刊	European Physical Journal C
卷	78
期	7
DOI	https://doi.org/10.1140/epjc/s10052-018-6049-9
出版状态	已出版 - 1 7月 2018
已对外发布	是

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@article{d0f37f56fe8e48978d7acba71f4f9d9c,

title = "Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s= 13 TeV",

abstract = "A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at s=13TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9fb--1. The measurement is performed in the ℓℓjj final state with ℓ including electrons and muons, and the jets j corresponding to the quarks produced in the hard interaction. The measured cross section in a kinematic region defined by invariant masses mℓℓ>50GeV, mjj>120GeV, and transverse momenta pTj>25GeV is σEW(ℓℓjj)=534±20(stat)±57(syst) fb, in agreement with leading-order standard model predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. No evidence is found and limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95\% confidence level intervals are -2.6",

keywords = "CMS, Cross section, Electroweak interaction, Physics, Vector boson fusion, Z",

author = "\{CMS Collaboration\} and Sirunyan, \{A. M.\} and A. Tumasyan and W. Adam and F. Ambrogi and E. Asilar and T. Bergauer and J. Brandstetter and E. Brondolin and M. Dragicevic and J. Er{\"o} and \{Escalante Del Valle\}, A. and M. Flechl and M. Friedl and R. Fr{\"u}hwirth and Ghete, \{V. M.\} and J. Grossmann and J. Hrubec and M. Jeitler and A. K{\"o}nig and N. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Madlener and I. Mikulec and E. Pree and N. Rad and H. Rohringer and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and D. Spitzbart and A. Taurok and W. Waltenberger and J. Wittmann and Wulz, \{C. E.\} and M. Zarucki and V. Chekhovsky and V. Mossolov and \{Suarez Gonzalez\}, J. and \{De Wolf\}, \{E. A.\} and \{Di Croce\}, D. and X. Janssen and J. Lauwers and M. Pieters and \{Van De Klundert\}, M. and \{Van Haevermaet\}, H. and \{Van Mechelen\}, P. and \{Van Remortel\}, N. and L. Wang and T. Cheng",

note = "Publisher Copyright: {\textcopyright} 2018, CERN for the benefit of the CMS collaboration.",

year = "2018",

month = jul,

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doi = "10.1140/epjc/s10052-018-6049-9",

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T1 - Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s= 13 TeV

AU - CMS Collaboration

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Ambrogi, F.

AU - Asilar, E.

AU - Bergauer, T.

AU - Brandstetter, J.

AU - Brondolin, E.

AU - Dragicevic, M.

AU - Erö, J.

AU - Escalante Del Valle, A.

AU - Flechl, M.

AU - Friedl, M.

AU - Frühwirth, R.

AU - Ghete, V. M.

AU - Grossmann, J.

AU - Hrubec, J.

AU - Jeitler, M.

AU - König, A.

AU - Krammer, N.

AU - Krätschmer, I.

AU - Liko, D.

AU - Madlener, T.

AU - Mikulec, I.

AU - Pree, E.

AU - Rad, N.

AU - Rohringer, H.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Spitzbart, D.

AU - Taurok, A.

AU - Waltenberger, W.

AU - Wittmann, J.

AU - Wulz, C. E.

AU - Zarucki, M.

AU - Chekhovsky, V.

AU - Mossolov, V.

AU - Suarez Gonzalez, J.

AU - De Wolf, E. A.

AU - Di Croce, D.

AU - Janssen, X.

AU - Lauwers, J.

AU - Pieters, M.

AU - Van De Klundert, M.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Remortel, N.

AU - Wang, L.

AU - Cheng, T.

PY - 2018/7/1

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N2 - A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at s=13TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9fb--1. The measurement is performed in the ℓℓjj final state with ℓ including electrons and muons, and the jets j corresponding to the quarks produced in the hard interaction. The measured cross section in a kinematic region defined by invariant masses mℓℓ>50GeV, mjj>120GeV, and transverse momenta pTj>25GeV is σEW(ℓℓjj)=534±20(stat)±57(syst) fb, in agreement with leading-order standard model predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. No evidence is found and limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are -2.6

AB - A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at s=13TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9fb--1. The measurement is performed in the ℓℓjj final state with ℓ including electrons and muons, and the jets j corresponding to the quarks produced in the hard interaction. The measured cross section in a kinematic region defined by invariant masses mℓℓ>50GeV, mjj>120GeV, and transverse momenta pTj>25GeV is σEW(ℓℓjj)=534±20(stat)±57(syst) fb, in agreement with leading-order standard model predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. No evidence is found and limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are -2.6

KW - CMS

KW - Cross section

KW - Electroweak interaction

KW - Physics

KW - Vector boson fusion

KW - Z

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DO - 10.1140/epjc/s10052-018-6049-9

M3 - 文章

AN - SCOPUS:85051441528

SN - 1434-6044

VL - 78

JO - European Physical Journal C

JF - European Physical Journal C

IS - 7

M1 - 589

ER -

Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s= 13 TeV

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