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Top Quark Anomalous Electromagnetic Couplings in Photon-Photon Scattering at the LHC

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arxiv 1504.06695 v1 pith:65JCKMDO submitted 2015-04-25 hep-ph

classification hep-ph
keywords quarkgammaelectromagneticmomentsanomalouscouplingsdipolescattering
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

The capability of the LHC to study the electromagnetic dipole moments of the top quark is discussed. In particular, the process $pp\to p\gamma\gamma p\to pt\bar{t}p$, which is supposed to be tagged by the forward/backward detectors at the LHC experiments, is used to explore the top quark electric and magnetic moments. We perform analytical calculations and then a numerical analysis on the sensitivity of the total cross section of the top quark pair production in $\gamma\gamma$ scattering at the LHC to the anomalous top quark couplings with photon. It is shown that improvements in the bounds on the electromagnetic dipole moments of the top quark can be achieved in this channel in comparison with the constraints from the former studies.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for Vector-mediated Dark Matter at the LHC with Forward Proton Tagging

    hep-ph 2019-08 conditional novelty 6.0 of 10

    Forward-proton-tagged photon-induced production of a leptophobic Z' mediator would exclude mZ' below about 1.4 TeV at 14 TeV and 3000 fb^-1, with a dark matter mass bound near 550 GeV for the vector benchmark.

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