Review explores quark polarization in nucleons, indicating new insights into particle interactions.
Key Points
The study aims to enhance the understanding of transversely polarized quarks within longitudinally polarized nucleons by analyzing the relevant distribution functions.
Review current theories of quark polarization and associated distribution functions
Employ recently developed TMD evolution formalism
Analyze the ALLcos2ϕ asymmetry in the Drell–Yan process and AULsin2ϕh asymmetry in deep inelastic scattering.
Presented theoretical framework for relevant physical observables in quark polarization
Numerical phenomenological results highlighting the impact of TMD factorization on observables
Demonstrated existence of specific asymmetries that reveal quark dynamics within nucleons.