Transverse-Spin and Transverse-Momentum Effects in High-Energy Processes

Abstract

The state of the art concerning transverse-spin and transverse-momentum phenomena in hard hadronic reactions is reviewed. An account is given of single-spin and azimuthal asymmetries in semiinclusive deep inelastic scattering, e^+ e^- annihilation, Drell-Yan production, and hadroproduction. The ongoing experiments and the main theoretical frameworks are described in the first part of the paper. The second part is devoted to the experimental findings and their phenomenological interpretations. A brief discussion of the perspectives of future measurements is finally presented.

95 pages

Cited by in corpus (10)

• An Observation Concerning the Process Dependence of the Sivers Functions
• Azimuthal asymmetries for hadron distributions inside a jet in hadronic collisions
• A phenomenological study of single transverse-spin asymmetry for inclusive light-hadron productions at RHIC
• Naive time-reversal odd phenomena in semi-inclusive deep-inelastic scattering from light-cone constituent quark models
• SIDIS in the target fragmentation region: polarized and transverse momentum dependent fracture functions
• Azimuthal asymmetries in unpolarized Drell-Yan processes and the Boer-Mulders distributions of antiquarks
• QCD evolution of naive-time-reversal-odd fragmentation functions
• Proposal for measuring new transverse momentum dependent parton distributions $g_{1T}$ and $h_{1L}^{\perp }$ through semi-inclusive deep inelastic scattering
• Hard- and soft-fermion-pole contributions to single transverse-spin asymmetry for Drell-Yan process
• Single spin asymmetry in $\pi p$ Drell-Yan process