Diffractive gamma-gamma production at hadron colliders
Abstract
We compute the cross section for exclusive double-diffractive gamma-gamma production at the Tevatron, p p p + γγ + p, and the LHC. We evaluate both the gluon-gluon and quark-antiquark t-channel exchange contributions to the process. The observation of exclusive gamma-gamma production at the Tevatron will provide a check on the model predictions, and offer an opportunity to confirm the expectations for exclusive double-diffractive Higgs production at the LHC.
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