Reference : High-energy resummation in direct photon production
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/9071
High-energy resummation in direct photon production
English
Diana, Giovanni mailto [Universita di Milano > Dipartimento di Fisica]
2010
Nuclear physics B
Elsevier
824
1
154--167
Yes
International
[en] Perturbative QCD ; Factorization theorem ; resummation
[en] We present the computation of the direct photon production cross-section in
perturbative QCD to all orders in the limit of high partonic center-of-mass energy.
We show how the high-energy resummation can be performed consistently in the
presence of a collinear singularity in the final state, we compare our results to the
fixed order NLO cross-section in MS scheme, and we provide predictions at NNLO
and beyond.
http://hdl.handle.net/10993/9071
10.1016/j.nuclphysb.2009.09.001
http://dx.doi.org/10.1016/j.nuclphysb.2009.09.001

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