Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/3584
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dc.contributor.authorCMS Collaborationen_US
dc.contributor.authorSirunyan, A. M.en_US
dc.contributor.authorCHAUHAN, S.en_US
dc.contributor.authorDUBE, SOURABHen_US
dc.contributor.authorHEGDE, V.en_US
dc.contributor.authorKAPOOR, A.en_US
dc.contributor.authorKOTHEKAR, K.en_US
dc.contributor.authorPANDEY, S.en_US
dc.contributor.authorRANE, A.en_US
dc.contributor.authorSHARMA, SEEMA et al.en_US
dc.date.accessioned2019-07-01T06:44:59Z
dc.date.available2019-07-01T06:44:59Z
dc.date.issued2017-05en_US
dc.identifier.citationJournal of High Energy Physics, 2017, 1.en_US
dc.identifier.issn1126-6708en_US
dc.identifier.issn1029-8479en_US
dc.identifier.urihttp://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/3584-
dc.identifier.urihttps://doi.org/10.1007/JHEP05(2017)029en_US
dc.description.abstractA search for single production of vector-like quarks, T and B, decaying into a Z boson and a top or a bottom quark, respectively, is presented. The search is performed using data collected by the CMS experiment at the LHC in proton-proton collisions at √s=13 TeV, corresponding to an integrated luminosity of 2.3fb−1. An exotic T quark production mode through the decay of a heavy Z′ resonance is also considered. The search is performed in events with a Z boson decaying leptonically, accompanied by a bottom or a top quark decaying hadronically. No excess of events is observed over the standard model background expectation. Products of production cross section and branching fraction for T and B quarks from 1.26 and 0.13 pb are excluded at 95% confidence level for the range of resonance mass considered, which is between 0.7 and 1.7 TeV. Limits on the product of the Z′ boson production cross section and branching fraction, with the Z′ boson decaying to the Tt final state, are set between 0.31 and 0.13 pb, for Z′ boson masses in the range from 1.5 to 2.5 TeV. This is the first search at 13 TeV for single production of vector-like quarks in events with a Z boson decaying leptonically accompanied by boosted jets.en_US
dc.language.isoenen_US
dc.publisherSpringer Natureen_US
dc.subjectCMSen_US
dc.subjectPhysicsen_US
dc.subjectVector-like quarks decayingen_US
dc.subjectZ bosonen_US
dc.subjectBottom quark in protonen_US
dc.subject2017en_US
dc.titleSearch for single production of vector-like quarks decaying to a Z boson and a top or a bottom quark in proton-proton collisions at √s=13 TeVen_US
dc.typeArticleen_US
dc.contributor.departmentDept. of Physicsen_US
dc.identifier.sourcetitleJournal of High Energy Physicsen_US
dc.publication.originofpublisherForeignen_US
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