Measurement Of Ckm Matrix Elements İn Single Top Quark T-Channel Production İn Proton-Proton Collisions At ?S=13tev

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dc.authorid249433en_US
dc.contributor.authorBilki, Burak
dc.date.accessioned2020-10-12T14:02:20Z
dc.date.available2020-10-12T14:02:20Z
dc.date.issued2020
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe first direct, model-independent measurement is presented of the modulus of the Cabibbo–Kobayashi–Maskawa (CKM) matrix elements |Vtb|, |Vtd|, and |Vts|, in final states enriched in single top quark t-channel events. The analysis uses proton-proton collision data from the LHC, collected during 2016 by the CMS experiment, at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 35.9fb?1. Processes directly sensitive to these matrix elements are considered at both the production and decay vertices of the top quark. In the standard model hypothesis of CKM unitarity, a lower limit of |Vtb| >0.970is measured at the 95%confidence level. Several theories beyond the standard model are considered, and by releasing all constraints among the involved parameters, the values |Vtb| =0.988 ±0.024, and |Vtd|2+|Vts|2=0.06 ±0.06, where the uncertainties include both statistical and systematic components, are measured.en_US
dc.identifier.citationPhysics Letters B 808 (2020) 135609en_US
dc.identifier.doi10.1016/j.physletb.2020.135609
dc.identifier.issn1785-0037
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://doi.org/10.1016/j.physletb.2020.135609
dc.identifier.wosWOS:000571769700003
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Science
dc.language.isoenen_US
dc.publisherThe CMS Collaborationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectCMSen_US
dc.subjectPhysicsen_US
dc.subjectCKM matrixen_US
dc.subjectTop quarken_US
dc.titleMeasurement Of Ckm Matrix Elements İn Single Top Quark T-Channel Production İn Proton-Proton Collisions At ?S=13teven_US
dc.typeArticleen_US

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