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Search for top quark FCNC couplings in Z′ models at the LHC and CLIC

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dc.contributor.authorCakir, O.
dc.contributor.authorCakir, I. T.
dc.contributor.authorSenol, A.
dc.contributor.authorTasci, A. T.
dc.date.accessioned2026-01-02T13:51:53Z
dc.date.issued2010-10-23
dc.description.abstractThe top quark is the heaviest particle to date discovered, with a mass close to the electroweak symmetry breaking scale. It is expected that the top quark would be sensitive to the new physics at the TeV scale. One of the most important aspects of the top quark physics can be the investigation of the possible anomalous couplings. Here, we study the top quark flavor changing neutral current (FCNC) couplings via the extra gauge boson Z' at the Large Hadron Collider (LHC) and the Compact Linear Collider (CLIC) energies. We calculate the total cross sections for the signal and the corresponding Standard Model (SM) background processes. For an FCNC mixing parameter x=0.2 and the sequential Z' mass of 1 TeV, we find the single top quark FCNC production cross sections 0.38(1.76) fb at the LHC with sqrt{s_{pp}}=7(14) TeV, respectively. For the resonance production of sequential Z' boson and decays to single top quark at the Compact Linear Collider (CLIC) energies, including the initial state radiation and beamstrahlung effects, we find the cross section 27.96(0.91) fb at sqrt{s_{e^{+}e^{-}}}=1(3) TeV, respectively. We make the analysis to investigate the parameter space (mixing-mass) through various Z' models. It is shown that the results benefit from the flavor tagging.
dc.description.abstract20 pages, 17 figures, 6 tables
dc.description.urihttps://doi.org/10.1140/epjc/s10052-010-1474-4
dc.description.urihttp://arxiv.org/pdf/1003.3156
dc.description.urihttps://dx.doi.org/10.48550/arxiv.1003.3156
dc.description.urihttp://arxiv.org/abs/1003.3156
dc.description.urihttps://dx.doi.org/10.1140/epjc/s10052-010-1474-4
dc.description.urihttps://doi.org/https://doi.org/10.1140/epjc/s10052-010-1474-4
dc.description.urihttps://doi.org/https://doi.org/20.500.12575/69685
dc.identifier.doi10.1140/epjc/s10052-010-1474-4
dc.identifier.eissn1434-6052
dc.identifier.endpage303
dc.identifier.issn1434-6044
dc.identifier.openairedoi_dedup___::03803439380283ea6b47e08c15ca2dc2
dc.identifier.orcid0000-0002-9016-138x
dc.identifier.orcid0000-0001-8782-4608
dc.identifier.scopus2-s2.0-78449295402
dc.identifier.startpage295
dc.identifier.urihttps://hdl.handle.net/20.500.12597/35499
dc.identifier.volume70
dc.identifier.wos000284423800022
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.relation.ispartofThe European Physical Journal C
dc.rightsOPEN
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Phenomenology (hep-ph)
dc.subjectFOS: Physical sciences
dc.subject.sdg7. Clean energy
dc.titleSearch for top quark FCNC couplings in Z′ models at the LHC and CLIC
dc.typeArticle
dspace.entity.typePublication
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