NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions

Details NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions

2003-11-24

arxiv.org/abs/hep-ph/0311304v3

Nucl.Phys. B682 (2004) 421-456

Physics

High Energy Physics

High Energy Physics - Phenomenology

45 pages, 22 figures. Due to a bug in our program the mass factorization plots in fig. 8-11 are changed. All parton density se

Scientific paper

10.1016/j.nuclphysb.2004.01.001

We present the full next-to-next-to-leading order (NNLO) coefficient functions for the polarized cross section $d\Delta \sigma/dQ$ for the Drell-Yan process $p + p\to l^+l^- + 'X'$. Here $'X'$ denotes any inclusive hadronic state and $Q$ represents the invariant mass of the lepton pair. All QCD partonic subprocesses have been included provided the lepton pair is created by a virtual photon, which is a valid approximation for $Q<50$ GeV. Unlike the differential distribution w.r.t. transverse momentum the dominant subprocess for the integrated cross section is given by $q+\bar q \to \gamma^* + 'X'$ and its higher order corrections so that massive lepton pair production provides us with an excellent tool to measure the polarized anti-quark densities. Our calculations are carried out using the method of $n$-dimensional regularization by making a special choice for the $\gamma_5$ matrix. We give predictions for double longitudinal spin asymmetry measurements at the RHIC.

Affiliated with

Also associated with

No associations

Rating

NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions 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 NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and NNLO corrections to massive lepton-pair production in longitudinally polarized proton-proton collisions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-19975