Measurements of production cross sections of polarized same-sign W boson pairs in association with two jets in proton-proton collisions at √s = 13 TeV; Physics Letters B; Vol. 812

Measurements of production cross sections of polarized same-sign W boson pairs in association with two jets in proton-proton collisions at √s = 13 TeV; Physics Letters B; Vol. 812

Detaylı Bibliyografya
Parent link:	Physics Letters B Vol. 812.— 2021.— [136018, 27 p.]
Müşterek Yazar:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Diğer Yazarlar:	Sirunyan А. М., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Tyurin N. E. Nikolay Evgenjevich, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich, Sukhikh L. G. Leonid Grigorievich
Özet:	Title screen The first measurements of production cross sections of polarized same-sign W±W± boson pairs in proton-proton collisions are reported. The measurements are based on a data sample collected with the CMS detector at the LHC at a center-of-mass energy of 13TeV, corresponding to an integrated luminosity of 137fb−1. Events are selected by requiring exactly two same-sign leptons, electrons or muons, moderate missing transverse momentum, and two jets with a large rapidity separation and a large dijet mass to enhance the contribution of same-sign W±W± scattering events. An observed (expected) 95% confidence level upper limit of 1.17 (0.88) fbis set on the production cross section for longitudinally polarized same-sign W±W± boson pairs. The electroweak production of same-sign W±W± boson pairs with at least one of the W bosons longitudinally polarized is measured with an observed (expected) significance of 2.3 (3.1) standard deviations.
Dil:	İngilizce
Baskı/Yayın Bilgisi:	2021
Konular:	электронный ресурс труды учёных ТПУ CMS diboson electroweak polarized longitudinal
Online Erişim:	https://doi.org/10.1016/j.physletb.2020.136018
Materyal Türü:	Elektronik Kitap Bölümü
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664782

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