Search for anomalous electroweak production of vector boson pairs in association with two jets in proton-proton collisions at 13 TeV; Physics Letters B; Vol. 798

Search for anomalous electroweak production of vector boson pairs in association with two jets in proton-proton collisions at 13 TeV; Physics Letters B; Vol. 798

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Parent link:Physics Letters B
Vol. 798.— 2019.— [134985, 25 p.]
Tác giả của công ty: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Tác giả khác: Sirunyan А. М., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Asilar E. Ece, Bergauer T. Thomas, Zhokin A. S. Aleksandr Sergeevich, Babaev A. A. Anton Anatoljevich, Yuzhakov A. D. Aleksandr Dmitrievich, Okhotnikov V. V. Vitaly Vladimirovich
Tóm tắt:Title screen
A search for anomalous electroweak production of WW, WZ, and ZZ boson pairs in association with two jets in proton-proton collisions at s=13TeV at the LHC is reported. The data sample corresponds to an integrated luminosity of 35.9fb−1 collected with the CMS detector. Events are selected by requiring two jets with large rapidity separation and invariant mass, one or two leptons (electrons or muons), and a W or Z boson decaying hadronically. No excess of events with respect to the standard model background predictions is observed and constraints on the structure of quartic vector boson interactions in the framework of dimension-8 effective field theory operators are reported. Stringent limits on parameters of the effective field theory operators are obtained. The observed 95% confidence level limits for the S0, M0, and T0 operators are −2.7<fS0/Λ4<2.7, −1.0<fM0/Λ4<1.0, and −0.17<fT0/Λ4<0.16, in units of TeV−4. Constraints are also reported on the product of the cross section and branching fraction for vector boson fusion production of charged Higgs bosons as a function of mass from 600 to 2000 GeV. The results are interpreted in the context of the Georgi-Machacek model.
Ngôn ngữ:Tiếng Anh
Được phát hành: 2019
Những chủ đề:
электронный ресурс
труды учёных ТПУ
CMS
physics
VBS
Charged Higgs
Truy cập trực tuyến:https://doi.org/10.1016/j.physletb.2019.134985
Định dạng: Điện tử Chương của sách
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663454

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