Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-10-02
Nucl.Phys.Proc.Suppl. 116 (2003) 198-201
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, LaTeX, 2 Postscript figures. Talk presented at the 6th International Symposium on Radiative Corrections "RADCOR 2002"
Scientific paper
10.1016/S0920-5632(03)80169-X
We present the full next-to-leading order (NLO) corrected inclusive cross section for massive lepton pair production in longitudinally polarized proton-proton collisions. All QCD partonic subprocesses have been included provided the lepton pair is created by a virtual photon, which is a valid approximation for $Q<50 {\rm GeV}$. Like in unpolarized proton-proton scattering the dominant subprocess is given by the $q(\bar q)g$-channel so that massive lepton pair production provides us with an excellent method to measure the spin density of the gluon. Using our calculations we give predictions for the longitudinal spin asymmetry measurements at the RHIC.
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