Higgs decay into two leptons and a photon revisited
Pre-published on:
December 16, 2020
Published on:
April 15, 2021
Abstract
I present new results for the Standard-Model predictions of the differential decay rates for H→ℓ+ℓ−γ, where ℓ=e,μ, and the forward-backward asymmetries defined in terms of the flight direction of the photon corresponding to the lepton momenta. The results depend on the selection criteria for the energies and invariant masses (i.e. the cuts) of the final state particles. For standard choices of these cuts the branching ratios B(H→eˉeγ)=5.8⋅10−5 and B(H→μˉμγ)=6.4⋅10−5 as well as the forward-backward asymmetries A(e)FB=0.343 and A(μ)FB=0.255 have been found.
DOI: https://doi.org/10.22323/1.390.0060
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