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Volume 352 - XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019) - Working Group 6: Spin and 3D Structure
Off-shell initial state effects and gauge invariance in the Drell-Yan process
M. Nefedov,* V.A. Saleev
*corresponding author
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Pre-published on: 2019 June 20
Published on: 2019 October 04
The Helicity Structure Functions in the Drell-Yan process are discussed in a framework of Parton Reggeization Approach, which includes the transverse momentum of initial-state partons in a way compatible with QED gauge-invariance. Relationships with conventional Transverse Momentum Dependent Parton Model formalism are clarified.
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