Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-05-27
Phys.Lett.B311:255-260,1993
Physics
High Energy Physics
High Energy Physics - Phenomenology
8pages + 3figures (not included, a hard copy is available from A.D. upon request), Prep. DESY 92-170 (to appear in Phys. Lett.
Scientific paper
10.1016/0370-2693(93)90564-X
Two--photon decays of Higgs bosons are important channels for the search of these particles in the intermediate mass range at the $pp$ colliders LHC and SSC. Dynamical aspects of the Higgs coupling to two photons can also be studied by means of the $\gamma \gamma$ fusion of Higgs particles at high--energy e$^+$e$^-$ linear colliders. Extending earlier analyses which had been restricted to the Standard Model, we present in this note the QCD radiative corrections to the $\gamma \gamma$ decay widths of scalar and pseudoscalar Higgs particles in multi--doublet extensions of the Higgs sector, as realized for instance in supersymmetric theories.
Djouadi Abdelhak
Spira Michael
Zerwas Peter M.
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