Evidence for WW production from double-parton interactions in proton-proton collisions at √s=13TeV

Evidence for WW production from double-parton interactions in proton-proton collisions at √s=13TeV

書誌詳細
Parent link:	European Physical Journal C Vol. 80, iss. 1.— 2020.— [41, 41 p.]
団体著者:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
その他の著者:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Tyurin N. E. Nikolay Evgenjevich, Babaev A. A. Anton Anatoljevich
要約:	Title screen A search for WW production from double-parton scattering processes using same-charge electron-muon and dimuon events is reported, based on proton-proton collision data collected at a center-of-mass energy of 13TeV. The analyzed data set corresponds to an integrated luminosity of 77.4fb−1, collected using the CMS detector at the LHC in 2016 and 2017. Multivariate classifiers are used to discriminate between the signal and the dominant background processes. A maximum likelihood fit is performed to extract the signal cross section. This leads to the first evidence for WW production via double-parton scattering, with a significance of 3.9 standard deviations. The measured inclusive cross section is 1.41±0.28(stat)±0.28(syst)pb. Режим доступа: по договору с организацией-держателем ресурса
言語:	英語
出版事項:	2020
主題:	электронный ресурс труды учёных ТПУ CMS physics WW production
オンライン･アクセス:	https://doi.org/10.1140/epjc/s10052-019-7541-6
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666358

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