The pion structure function and scale breaking in Drell-Yan processes

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Abstract
By use of the formalism of QCD, the author extends the structure functions of the nucleon and the pion obtained at Q2=mpsi 2 to higher values of Q2. These structure functions are then used to obtain predictions of scale-breaking effects in Drell-Yan lepton-pair production for both nucleon-nucleon and pion-nucleon cases. A comparison with recent experimental data is also presented.

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