Two-Loop Amplitudes for Gluon Fusion into Two Photons

Details Two-Loop Amplitudes for Gluon Fusion into Two Photons Two-Loop Amplitudes for Gluon Fusion into Two Photons

2001-09-10

arxiv.org/abs/hep-ph/0109078v1

JHEP 0109:037,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, JHEP style

Scientific paper

10.1088/1126-6708/2001/09/037

We present the two-loop matrix elements for the scattering of two gluons into
two photons in QCD. These matrix elements will enter into improved estimates of
the QCD background to Higgs production at the LHC when the Higgs decays into
two photons. The photon mode is especially important if M_H < 140 GeV. We also
give the amplitudes for the crossed process, glue gamma to glue gamma.

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