Drell-Yan process at forward rapidity at the LHC

Details Drell-Yan process at forward rapidity at the LHC Drell-Yan process at forward rapidity at the LHC

2010-08-16

arxiv.org/abs/1008.2652v1

Phys.Rev.D82:094010,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 7 figures

Scientific paper

10.1103/PhysRevD.82.094010

We analyze the Drell-Yan lepton pair production at forward rapidity at the Large Hadron Collider. Using the dipole framework for the computation of the cross section we find a significant suppression in comparison to the collinear factorization formula due to saturation effects in the dipole cross section. We develop a twist expansion in powers of Q_s^2/M^2 where Q_s is the saturation scale and M the invariant mass of the produced lepton pair. For the nominal LHC energy the leading twist description is sufficient down to masses of 6 GeV. Below that value the higher twist terms give a significant contribution.

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