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

The CMS Collaboration

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

The CMS Collaboration

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √s = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9 fb^-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 >50 GeV, m_jj> 120 GeV, and transverse momenta pTj > 25 GeV 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 < c_WWW/Δ²< 2.6 TeV^-2and-8.4 < cW/Δ^-2< 10.1 TeV^-2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.

Original language	English
Journal	Unknown Journal
Publication status	Published - 2017 Dec 28

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@article{121ae70720224f1db4b06bb0f2fdee0f,

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 = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9 fb-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 >50 GeV, mjj> 120 GeV, and transverse momenta pTj > 25 GeV 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/Δ2< 2.6 TeV-2and-8.4 < cW/Δ-2< 10.1 TeV-2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.",

author = "{The 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 B. Hong and J. Yoo",

year = "2017",

month = dec,

day = "28",

language = "English",

journal = "Zeitschrift für Induktive Abstammungs- und Vererbungslehre",

issn = "0730-6512",

publisher = "Kluwer Academic Publishers",

}

TY - JOUR

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

AU - The 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 - Hong, B.

AU - Yoo, J.

PY - 2017/12/28

Y1 - 2017/12/28

N2 - A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √s = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9 fb-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 >50 GeV, mjj> 120 GeV, and transverse momenta pTj > 25 GeV 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/Δ2< 2.6 TeV-2and-8.4 < cW/Δ-2< 10.1 TeV-2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.

AB - A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √s = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9 fb-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 >50 GeV, mjj> 120 GeV, and transverse momenta pTj > 25 GeV 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/Δ2< 2.6 TeV-2and-8.4 < cW/Δ-2< 10.1 TeV-2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.

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UR - http://www.scopus.com/inward/citedby.url?scp=85094553345&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:85094553345

JO - Zeitschrift für Induktive Abstammungs- und Vererbungslehre

JF - Zeitschrift für Induktive Abstammungs- und Vererbungslehre

SN - 0730-6512

ER -