English

Higgs - Two Photon Decay: QCD radiative correction

High Energy Physics - Phenomenology 2009-10-22 v1

Abstract

QCD radiative correction to Higgs \rightarrow two photons decay rate is calculated. Below the threshold we found negligible correction, thus supporting results obtained earlier by Djouadi et all [7]. Above the threshold radiative correction appears to be large for both real and imaginary part of H γγ\gamma \gamma vertex. This leads to radiative correction for Γ\Gamma (H γγ\rightarrow \gamma \gamma ) to be of order 20--100 percents at mt=150GeVm_{t}=150 GeV. Possible applications of our results for Higgs search at Next Linear Colliders (NLC) are briefly discussed.

Keywords

Cite

@article{arxiv.hep-ph/9302281,
  title  = {Higgs - Two Photon Decay: QCD radiative correction},
  author = {K. Melnikov and O. Yakovlev},
  journal= {arXiv preprint arXiv:hep-ph/9302281},
  year   = {2009}
}

Comments

6 pagers, 5 figuresdescribed but not included, available on request. BUDKERINP-93-04