Published April 4, 1994
| Version v1
Journal article
Nucleon form factors in a projected chiral soliton model with dynamical confinement
Creators
- 1. Dept. de Fisica, Univ. Coimbra (Portugal)
- 2. Inst. fuer Theoretische Physik 2, Ruhr-Univ., Bochum (Germany)
Description
We calculate nucleon form factors in the framework of a chiral chromodielectric model. The model state describing the nucleon is an angular momentum and isospin eigenstate with J = T = 1/2 obtained by means of Peierls-Yoccoz projection from the hedgehog. We present results for the electromagnetic form factors and also for the axial form factors of the nucleon. There is a fairly good agreement with the data for small momentum transfers. For high momentum transfers (i.e. q2 > 0.1 GeV2) the agreement becomes poorer. As a general rule the calculated form factors fall too rapidly. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Physics. A
- Journal Volume
- 570
- Journal Issue
- 3-4
- Journal Page Range
- p. 782-796.
- ISSN
- 0375-9474
- CODEN
- NUPABL
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 25060079
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR MOMENTUM OPERATORS; AXIAL-VECTOR CURRENTS; BAG MODEL; CHARGE DENSITY; CHIRALITY; COUPLING CONSTANTS; EIGENSTATES; ELECTROMAGNETIC FORM FACTORS; FORM FACTORS; ISOSPIN; LAGRANGIAN FIELD THEORY; MAGNETIC DIPOLE MOMENTS; NEUTRONS; NUCLEONS; PARTICLE RADII; PION-NUCLEON INTERACTIONS; PROTONS; REST MASS; SIGMA TERMS; SOLITONS; STEADY-STATE CONDITIONS; THEORETICAL DATA
- Descriptors DEC
- ALGEBRAIC CURRENTS; BARYONS; CATIONS; CHARGED PARTICLES; COMMUTATORS; CURRENT COMMUTATORS; CURRENTS; DATA; DIPOLE MOMENTS; ELEMENTARY PARTICLES; EXTENDED PARTICLE MODEL; FERMIONS; FIELD THEORIES; HADRON-HADRON INTERACTIONS; HADRONS; HYDROGEN IONS; HYDROGEN IONS 1 PLUS; INFORMATION; INTERACTIONS; IONS; MAGNETIC MOMENTS; MASS; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY; QUANTUM OPERATORS; QUASI PARTICLES