Abstract
The transverse momentum properties of Drell-Yan pairs produced in hadronic collisions are analyzed in QCD by combining the soft gluon description at low p⊥ with hard parton effects at high p⊥. Soft gluon effects, implemented by exact kinematics considerations, play a very important role in the analysis and describe the main features of the data. Recently calculated α s 2 corrections to the annihilation terms improve the agreement with data at large p⊥ for π −N collisions. Predictions are also made for p p annihilation at collider energies.
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