Probing complex phase of the photon-photon-Higgs vertex at photon colliders

Details Probing complex phase of the photon-photon-Higgs vertex at photon colliders Probing complex phase of the photon-photon-Higgs vertex at photon colliders

2004-02-27

arxiv.org/abs/hep-ph/0402289v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the Proceedings of SUSY 2003, held at the University of Arizona, Tucson, AZ, 5-10 June 2003

Scientific paper

We study the effects of heavy Higgs bosons on the top-pair production process at photon linear colliders. The interference patterns between the resonant Higgs-production amplitudes and the continuum QED amplitudes are examined. The patterns tell us not only the CP nature of the Higgs bosons but also the phase of the $\gamma\gamma$--Higgs vertex which gives new information about the Higgs couplings to new charged particles.

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