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arxiv: hep-ph/0406302 · v2 · submitted 2004-06-27 · ✦ hep-ph

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Collins-Soper Equation for the Energy Evolution of Transverse-Momentum and Spin Dependent Parton Distributions

Ahmad Idilbi , Xiangdong Ji , Jian-Ping Ma , Feng Yuan
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classification ✦ hep-ph
keywords spindependentdistributionsequationevolutionpartontransverse-momentumcollins
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The hadron-energy evolution (Collins and Soper) equation for all the leading-twist transverse-momentum and spin dependent parton distributions is derived in the impact parameter space. Based on the result, we present resummation formulas for the spin structure functions in the semi-inclusive deep inelastic scattering.

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Cited by 2 Pith papers

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