Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-HIG-13-034 | ||
| Combined multilepton and diphoton limit on t to cH | ||
| CMS Collaboration | ||
| 2014 | ||
| Abstract: Based on the CMS inclusive multilepton analysis and a CMS 2HDM search involving lepton and photon final states, we present a \,\%$ CL limit on the branching ratio of the flavor-changing decay ${\rm t}\to{\rm c}\textrm{H}$.The data sample corresponds to .5\,\textrm{fb}^{-1}$ of integrated luminosity in pp collisions at $\sqrt{s} = 8\,\textrm{TeV}$ collected by the CMS experiment at the LHC in 2012. We find that $\mathcal{B}({\rm t}\to{\rm c}\textrm{H}) < 0.56\,\%$, corresponding to a bound on the left- and right-handed top-charm flavor violating Higgs Yukawa couplings of $\sqrt{|\lambda_{{\rm tc}}^\textrm{H}|^2 + |\lambda_{{\rm ct}}^\textrm{H}|^2} < 0.14$. The observed bound is consistent with the expected bound of .65\,\%$. | ||
| Links: CDS record (PDF) ; inSPIRE record ; Public twiki page ; CADI line (restricted) ; | ||
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Compact Muon Solenoid LHC, CERN |
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