Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-HIG-14-001 | ||
| Search for associated production of a single top quark and a Higgs boson in events where the Higgs boson decays to two photons at √s=8~TeV | ||
| CMS Collaboration | ||
| 2014 | ||
| Abstract: We study the associated production of a single top quark and a Higgs boson, in order to directly constrain the top-Higgs coupling. Due to the destructive interference in the t-channel for standard model couplings, this process is very sensitive to both the magnitude and the sign of a non-standard top-Higgs coupling. We focus on the Higgs decay to two photons, that would be further enhanced in the scenario of a negative Yukawa coupling, and on the leptonic top decay channel.The analysis has an expected 95\% confidence level upper limit on the Higgs production cross section times BR(H→γγ) of 4.1 times the expectation~(with Ct=−1). The expected significance of the analysis is 1.2 standard deviations. Zero events are observed in the signal region, leading to a 95\% upper limit of 4.1 times the expectation~(with Ct=−1). | ||
| 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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