Proton spin structure and the axial U(1) problem
arXiv:hep-ph/0111240 · doi:10.1016/S0920-5632(01)01951-X
Abstract
We emphasise the relation between the spin structure of the proton and the axial U(1) problem. New experiments motivated by the proton spin problem which could shed light on the nature of U(1) symmetry breaking in QCD are discussed.
Invited talk at the Workshop on the Spin Structure of the Proton and Polarized Collider Physics, Trento (July 23-28, 2001), 6 pages, 1 figure
References in corpus (5)
- Constituent Quarks and g_1
- Energy Dependence of the Near-Threshold Total Cross-Section for the pp --> pp eta' Reaction
- S-wave eta'-proton FSI; phenomenological analysis of near-threshold production of pi0, eta, and eta' mesons in proton-proton collisions
- Gluons and the eta' nucleon coupling constant
- The Gauge-Invariant Angular Momentum Sum-Rule for the Proton