Anomalous $tqγ$ couplings in $γp$ collision at the LHC

We have examined the constraints on the anomalous $tqγ$ ($q=u,c$) couplings through the process $pp\to pγp\to pWbX$ at the LHC by considering three forward detector acceptances: $0.0015< ξ< 0.5$, $0.0015< ξ<0.15$ and $0.1< ξ< 0.5$. The sensitivity bounds on the anomalous couplings have been obtained at the $95$ confidence level in a model independent effective lagrangian approach. We have found that the bounds on these couplings can be highly improved compared to current experimental bounds.

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