Measurements of production cross sections of WZ and same-sign WW boson pairs in association with two jets in proton-proton collisions at vs=13TeV

Measurements of production cross sections of WZ and same-sign WW boson pairs in association with two jets in proton-proton collisions at vs=13TeV

Bibliographic Details
Parent link:	Physics Letters B Vol. 809.— 2020.— [135710, 29 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Other Authors:	Sirunyan А. М., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Bergauer T. Thomas, Zhokin A. S. Aleksandr Sergeevich, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich, Sukhikh L. G. Leonid Grigorievich
Summary:	Title screen Measurements of production cross sections of WZ and same-sign WW boson pairs in association with two jets in proton-proton collisions at s=13TeV at the LHC are reported. The data sample corresponds to an integrated luminosity of 137fb−1, collected with the CMS detector during 2016-2018. The measurements are performed in the leptonic decay modes and , where ℓ,ℓ′=e, . Differential fiducial cross sections as functions of the invariant masses of the jet and charged lepton pairs, as well as of the leading-lepton transverse momentum, are measured for W±W± production and are consistent with the standard model predictions. The dependence of differential cross sections on the invariant mass of the jet pair is also measured for WZ production. An observation of electroweak production of WZ boson pairs is reported with an observed (expected) significance of 6.8 (5.3) standard deviations. Constraints are obtained on the structure of quartic vector boson interactions in the framework of effective field theory.
Published:	2020
Subjects:	электронный ресурс труды учёных ТПУ CMS physics Diboson Electroweak
Online Access:	https://doi.org/10.1016/j.physletb.2020.135710
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663151

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