Search for resonant production of second-generation sleptons with same-sign dimuon events in proton-proton collisions at vs=13TeV; European Physical Journal C; Vol. 79, iss. 4

Search for resonant production of second-generation sleptons with same-sign dimuon events in proton-proton collisions at vs=13TeV; European Physical Journal C; Vol. 79, iss. 4

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Parent link:European Physical Journal C
Vol. 79, iss. 4.— 2019.— [305, 27 p.]
Nhiều tác giả của công ty: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Научно-производственная лаборатория "Импульсно-пучковых, электроразрядных и плазменных технологий"
Tác giả khác: Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Asilar E. Ece, Bergauer T. Thomas, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich
Tóm tắt:Title screen
A search is presented for resonant production of second-generation sleptons (μ˜Lμ~L, ν˜μν~μ) via the R-parity-violating coupling λ′211λ211′ to quarks, in events with two same-sign muons and at least two jets in the final state. The smuon (muon sneutrino) is expected to decay into a muon and a neutralino (chargino), which will then decay into a second muon and at least two jets. The analysis is based on the 2016 data set of proton-proton collisions at s√=13TeVs=13TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 35.9fb−1fb−1. No significant deviation is observed with respect to standard model expectations. Upper limits on cross sections, ranging from 0.24 to 730fbfb, are derived in the context of two simplified models representing the dominant signal contributions leading to a same-sign muon pair. The cross section limits are translated into coupling limits for a modified constrained minimal supersymmetric model with λ′211λ211′ as the only nonzero R-parity violating coupling. The results significantly extend restrictions of the parameter space compared with previous searches for similar models.
Ngôn ngữ:Tiếng Anh
Được phát hành: 2019
Những chủ đề:
электронный ресурс
труды учёных ТПУ
кварки
протон-протонные соударения
Truy cập trực tuyến:https://doi.org/10.1140/epjc/s10052-019-6800-x
Định dạng: Điện tử Chương của sách
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662680

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