Novel Azimuthal Asymmetries in Drell Yan and Semi-inclusive Deep Inelastic Scattering
Abstract
We consider the leading and sub-leading twist T-odd and even contributions to the 2φ azimuthal asymmetry in unpolarized dilepton production in Drell-Yan Scattering. We estimate the contributions' effects at 500 GeV, 50 GeV, and 25 GeV energies in the framework of the parton model using a quark diquark-spectator model of the nucleon to approximate the soft contributions.
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