Color gauge invariance in the Drell-Yan process

Details Color gauge invariance in the Drell-Yan process Color gauge invariance in the Drell-Yan process

1999-06-02

arxiv.org/abs/hep-ph/9906223v3

Nucl.Phys. B569 (2000) 505-526

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, Revtex, 2 Postscript figures, uses aps.sty, epsf.sty; error in revision removed

Scientific paper

10.1016/S0550-3213(99)00719-1

We consider the color gauge invariance of a factorized description of the Drell-Yan process cross section. In particular, we focus on the next-to-leading twist contributions for polarized scattering and on the cross section differential in the transverse momentum of the lepton pair in the region where the transverse momentum is small compared to the hard scale. The hadron tensor is expressed in terms of manifestly color gauge invariant, nonlocal operator matrix elements and a color gauge invariant treatment of soft gluon poles is given. Also, we clarify the discrepancy between two published results for a single spin asymmetry in the Drell-Yan cross section. This asymmetry arises if such a soft gluon pole is present in a specific twist-three hadronic matrix element.

Affiliated with

Also associated with

No associations

Rating

Color gauge invariance in the Drell-Yan process does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Color gauge invariance in the Drell-Yan process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color gauge invariance in the Drell-Yan process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-710751