Sep 9 – 13, 2019
Europe/Zurich timezone

## Two loop QCD amplitudes for di-pseudoscalar Higgs production

Sep 12, 2019, 3:00 PM
25m
Cubiculaire

Prakash Mathews

### Description

We compute the two-loop massless QCD corrections to the four point amplitude
g + g -> A + A. Two operators contribute this amplitude and the ultraviolet renormalisation requires careful treatment involving mixing. The universal structure of the infrared poles are studied in detail.