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Internal conversions in Higgs decays to two photons

Ana Firan, Ryszard Stroynowski

Abstract

We evaluate the partial widths for internal conversions in the Higgs decays to two photons. For the Higgs masses of interest at LHC in the range of 100-150 GeV, the conversions to pairs of fermions represent significant fraction of Higgs decays.

Internal conversions in Higgs decays to two photons

Abstract

We evaluate the partial widths for internal conversions in the Higgs decays to two photons. For the Higgs masses of interest at LHC in the range of 100-150 GeV, the conversions to pairs of fermions represent significant fraction of Higgs decays.

Paper Structure

This paper contains 1 section, 3 equations, 2 figures, 1 table.

Table of Contents

  1. Acknowledgments

Figures (2)

  • Figure 1: The Feynman diagram for the Higgs decay with internal conversion.
  • Figure 2: The shift in the $Br(H\to\gamma\gamma)$ due to the Dalitz decay correction. The dotted line represents the branching fraction without the Dalitz decay correction and the solid line takes into account the correction.