Associated production of Higgs bosons and heavy quarks at photon colliders

Details Associated production of Higgs bosons and heavy quarks at photon colliders Associated production of Higgs bosons and heavy quarks at photon colliders

1999-12-09

arxiv.org/abs/hep-ph/9912277v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to appear in Phys. Rev. D. Conclusions are not changed, but some changes are made: (1) The title is changed to better

Scientific paper

10.1103/PhysRevD.62.035007

The idea of fermion mass generation through Yukawa couplings between Higgs bosons and fermions may be tested by their associated production at future linear colliders (LC). We study the production mechanism in the minimal supersymmeric standard model at photon colliders that can be realized by the laser back-scattering technique at the LC. We find that the cross sections for the production of the light Higgs-top pair, heavy Higgs-bottom pair and pseudoscalr Higgs-bottom pair can reach the level of \sim 1.0 fb or higher for phenomenologically favoured values of the parameters in the Higgs sector. Since this mechanism is not affected by the appearance of Higgs resonances as in electron collisions, it may provide a more sensitive way to determine the Yukawa couplings between Higgs bosons and heavy quarks.

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