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KA-TP-11-2011
SFB-CPP-11-30
MCNET-11-15
DCPT-11-68
IPPP-11-34
arXiv:1106.3939
JHEP 1202 (2012) 130

by: D'Errico, Luca (KIT, Karlsruhe, TP) et al.

Abstract:
We present a method, based on the positive weight next-to-leading-order matching formalism (POWHEG), to simulate photon production processes at next-to-leading-order (NLO). This technique is applied to the simulation of diphoton production in hadron-hadron collisions. The algorithm consistently combines the parton shower and NLO calculation, producing only positive weight events. The simulation includes both the photon fragmentation contribution and a full implementation of the truncated shower required to correctly describe soft emissions in an angular-ordered parton shower.
Link: 
http://inspirehep.net/record/914215
Publ date: 
Sunday, June 19, 2011 - 23:00