6533b86efe1ef96bd12cc096
RESEARCH PRODUCT
Proton Spin in Chiral Quark Models
Xiaotong SongHans WeberMariana Kirchbachsubject
QuarkPhysicsNuclear and High Energy PhysicsParticle physicsNuclear TheoryProtonHigh Energy Physics::LatticeNuclear TheoryHigh Energy Physics::PhenomenologyFOS: Physical sciencesGeneral Physics and AstronomyAstronomy and AstrophysicsNuclear Theory (nucl-th)High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Goldstone bosonProton spin crisisHigh Energy Physics::ExperimentSymmetry breakingFlavorSpin-½description
The spin and flavor fractions of constituent quarks in the proton are obtained from their chiral fluctuations involving Goldstone bosons. SU(3) flavor symmetry breaking suggested by the mass difference between the strange and up, down quarks is included, and this improves the agreement with the data markedly.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1997-03-28 | Modern Physics Letters A |