Observation of Same-Sign WW Production from Double Parton Scattering in Proton-Proton Collisions at ?s=13 TeV

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dc.WoS.categoriesPhysics, Multidisciplinaryen_US
dc.authorid0009-0008-7123-3924en_US
dc.contributor.authorÇakır, Affan
dc.date.accessioned2024-04-26T12:57:17Z
dc.date.available2024-04-26T12:57:17Z
dc.date.issued2023-09-01
dc.description.abstractThe first observation of the production of (WW +/-)-W-+/- bosons from double parton scattering processes using same-sign electron-muon and dimuon events in proton-proton collisions is reported. The data sample corresponds to an integrated luminosity of 138 fb(-1) recorded at a center-of-mass energy of 13 TeV using the CMS detector at the CERN LHC. Multivariate discriminants are used to distinguish the signal process from the main backgrounds. A binned maximum likelihood fit is performed to extract the signal cross section. The measured cross section for production of same-sign W bosons decaying leptonically is 80.7 +/- 11.2(stat) (+9.5)(-8.6)(syst) +/- 12.1(model) fb, whereas the measured fiducial cross section is 6.28 +/- 0.81(stat) +/- 0.69(syst) +/- 0.37(model) fb. The observed significance of the signal is 6.2 standard deviations above the background-only hypothesis.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevLett.131.091803
dc.identifier.issn1079-7114
dc.identifier.issn0031-9007
dc.identifier.pmid37721845en_US
dc.identifier.urihttps://hdl.handle.net/11411/5335
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.131.091803
dc.identifier.wosWOS:001102717200001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.issue9en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors200+en_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW LETTERSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectP)OVER-BAR-P COLLISIONSen_US
dc.subjectMEASURING MASSESen_US
dc.subjectLHCen_US
dc.titleObservation of Same-Sign WW Production from Double Parton Scattering in Proton-Proton Collisions at ?s=13 TeV
dc.typeArticle
dc.volume131en_US

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