Published April 1, 1994
| Version v1
Journal article
Axial baryonic charge and the spin content of the nucleon: A lattice investigation
Creators
- 1. Fakultaet fuer Physik, Universitaet Bielefeld, Postfach 100131, D-33501 Bielefeld (Germany)
- 2. Gruppe Theorie der Elementarteilchen, Hoechstleistungsrechenzentrum HLRZ, c/o KFA, Postfach 1913, D-52425 Juelich (Germany)
- 3. Institut fuer Theoretische Physik, RWTH Aachen, Sommerfeldstrasse, D-52056 Aachen (Germany)
- 4. Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg (Germany)
Description
The axial baryonic charge of the nucleon, ΔΣ, which measures the quark fraction of the nucleon spin, is computed in lattice QCD with dynamical staggered fermions. We obtain the value ΔΣ=0.18±0.02. This suggests that the quark spin is responsible for very little of the nucleon spin
Additional details
Publishing Information
- Journal Title
- Physical Review. D, Particles Fields
- Journal Volume
- 49
- Journal Issue
- 7
- Journal Page Range
- p. R3087-R3090.
- ISSN
- 0556-2821
- CODEN
- PRVDAQ
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 25048306
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- BARYON NUMBER; LATTICE FIELD THEORY; NUCLEONS; QUANTUM CHROMODYNAMICS; QUARKS; SPIN; STRUCTURE FUNCTIONS
- Descriptors DEC
- ANGULAR MOMENTUM; BARYONS; CONSTRUCTIVE FIELD THEORY; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; FUNCTIONS; HADRONS; PARTICLE PROPERTIES; POSTULATED PARTICLES; QUANTUM FIELD THEORY