All-orders resummation for diphoton production at hadron colliders

Details All-orders resummation for diphoton production at hadron colliders All-orders resummation for diphoton production at hadron colliders

2006-03-03

arxiv.org/abs/hep-ph/0603037v2

Phys.Lett.B637:235-240,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 6 figures; minor changes

Scientific paper

10.1016/j.physletb.2006.04.017

We present a QCD calculation of the transverse momentum distribution of photon pairs produced at hadron colliders, including all-orders soft-gluon resummation valid at next-to-next-to-leading logarithmic accuracy. We specify the region of phase space in which the calculation is most reliable, compare our results with data from the Fermilab Tevatron, and make predictions for the Large Hadron Collider. The uncertainty of predictions for production of diphotons from fragmentation of final-state quarks is examined.

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