Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC

We study the flavor changing neutral current couplings of new heavy quarks through the Z′ models at the LHC. We calculate the cross sections for the signal and the corresponding standard model background processes. Considering the present limits on the mass of new heavy quarks and the Z′ boson, we p...

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Main Authors: V. Çetinkaya, V. Arı, O. Çakır
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2016/1760219
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author V. Çetinkaya
V. Arı
O. Çakır
author_facet V. Çetinkaya
V. Arı
O. Çakır
author_sort V. Çetinkaya
collection DOAJ
description We study the flavor changing neutral current couplings of new heavy quarks through the Z′ models at the LHC. We calculate the cross sections for the signal and the corresponding standard model background processes. Considering the present limits on the mass of new heavy quarks and the Z′ boson, we performed an analysis to investigate the parameter space (mixing and mass) through different Z′ models. For FCNC mixing parameter x=0.1 and the Z′ mass MZ′=2000 GeV and new heavy quark mass mt′=700 GeV at the LHC with s=13 TeV, we find the cross section for single production of new heavy quarks associated with top quarks as 5.8 fb, 3.3 fb, 1.5 fb, and 1.2 fb within the Zη′, Zψ′, ZLP′, and Zχ′ models, respectively. It is shown that the sensitivity would benefit from the flavor tagging.
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institution Kabale University
issn 1687-7357
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publishDate 2016-01-01
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series Advances in High Energy Physics
spelling doaj-art-753d38aa09cb4f9fa6d2ad85ce387d822025-02-03T07:25:01ZengWileyAdvances in High Energy Physics1687-73571687-73652016-01-01201610.1155/2016/17602191760219Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHCV. Çetinkaya0V. Arı1O. Çakır2Department of Physics, Dumlupinar University, Merkez, 43100 Kutahya, TurkeyDepartment of Physics, Ankara University, Tandogan, 06100 Ankara, TurkeyDepartment of Physics, Ankara University, Tandogan, 06100 Ankara, TurkeyWe study the flavor changing neutral current couplings of new heavy quarks through the Z′ models at the LHC. We calculate the cross sections for the signal and the corresponding standard model background processes. Considering the present limits on the mass of new heavy quarks and the Z′ boson, we performed an analysis to investigate the parameter space (mixing and mass) through different Z′ models. For FCNC mixing parameter x=0.1 and the Z′ mass MZ′=2000 GeV and new heavy quark mass mt′=700 GeV at the LHC with s=13 TeV, we find the cross section for single production of new heavy quarks associated with top quarks as 5.8 fb, 3.3 fb, 1.5 fb, and 1.2 fb within the Zη′, Zψ′, ZLP′, and Zχ′ models, respectively. It is shown that the sensitivity would benefit from the flavor tagging.http://dx.doi.org/10.1155/2016/1760219
spellingShingle V. Çetinkaya
V. Arı
O. Çakır
Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
Advances in High Energy Physics
title Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
title_full Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
title_fullStr Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
title_full_unstemmed Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
title_short Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC
title_sort effects of the fcnc couplings in production of new heavy quarks within z models at the lhc
url http://dx.doi.org/10.1155/2016/1760219
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AT varı effectsofthefcnccouplingsinproductionofnewheavyquarkswithinzmodelsatthelhc
AT ocakır effectsofthefcnccouplingsinproductionofnewheavyquarkswithinzmodelsatthelhc