Publication: Evidence for WW production from double-parton interactions in proton–proton collisions at √s=13TeV
Дата
2020
Авторы
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Matveev, V.
Chistov, R.
Danilov, M.
Parygin, P.
Polikarpov, S.
Zhemchugov, E. V.
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Аннотация
© 2020, CERN for the benefit of the CMS collaboration.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.
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Evidence for WW production from double-parton interactions in proton–proton collisions at √s=13TeV / Sirunyan, A.M. [et al.] // European Physical Journal C. - 2020. - 80. - № 1. - 10.1140/epjc/s10052-019-7541-6
URI
https://www.doi.org/10.1140/epjc/s10052-019-7541-6
https://www.scopus.com/record/display.uri?eid=2-s2.0-85078224899&origin=resultslist
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https://openrepository.mephi.ru/handle/123456789/20193
https://www.scopus.com/record/display.uri?eid=2-s2.0-85078224899&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000522202400001
https://openrepository.mephi.ru/handle/123456789/20193