Three-dimensional parton distribution functions $g_{1T}$ and $h_{1L}^{\perp }$ in the polarized proton-antiproton Drell-Yan process

Abstract

We present predictions of the unweighted and weighted double spin asymmetries related to the transversal helicity distribution $g_{1T}$ and the longitudinal transversity distribution $h_{1L}^{\perp }$, two of eight leading-twist transverse momentum dependent parton distributions (TMDs) or three-dimensional parton distribution functions (3dPDFs), in the polarized proton-antiproton Drell-Yan process at typical kinematics on the Facility for Antiproton and Ion Research (FAIR). We conclude that FAIR is ideal to access the new 3dPDFs towards a detailed picture of the nucleon structure.

6 latex pages, 5 figures, version for publication in EPJC

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Cited by in corpus (3)

• Azimuthal asymmetries in lepton-pair production at a fixed-target experiment using the LHC beams (AFTER)
• Generalized form factors of the nucleon in a light-cone spectator-diquark model
• TMD Relations: Insights from a Light-Front Quark-Diquark Model