Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-02-19
Phys.Lett. B312 (1993) 179-183
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pagers, 5 figuresdescribed but not included, available on request. BUDKERINP-93-04
Scientific paper
10.1016/0370-2693(93)90507-E
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 $\gamma \gamma$ vertex. This leads to radiative correction for $\Gamma $(H $\rightarrow \gamma \gamma $) to be of order 20--100 percents at $m_{t}=150 GeV$. Possible applications of our results for Higgs search at Next Linear Colliders (NLC) are briefly discussed.
Melnikov Kirill
Yakovlev Oleg
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