Two-loop corrections to $gg \to γγ$

Details Two-loop corrections to $gg \to γγ$ Two-loop corrections to $gg \to γγ$

2002-11-21

arxiv.org/abs/hep-ph/0211344v1

Nucl.Phys.Proc.Suppl.116:173-177,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at RADCOR 2002/Loops and Legs in Quantum Field Theory (September 2002, Kloster Banz, Germany)

Scientific paper

10.1016/S0920-5632(03)80164-0

An overview of the calculation of the two-loop helicity amplitudes for
scattering of two gluons into two photons is presented. These matrix elements
enter into the recent improved calculation of the QCD background to Higgs boson
decay into a pair of photons, which is the preferred search mode at the LHC for
the case of a light Higgs boson.

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