Published March 15, 2007
| Version v1
Journal article
Nucleon Form Factors and N-Δ Transitions in a Hypercentral Constituent Quark Model with Meson Cloud
Creators
- 1. Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing 100049 (China)
Description
We study the nucleon form factors and the nucleon-Δ(1232) transitions in a framework of hypercentral constituent quark model. The pion meson cloud effect is taken into account explicitly. Our results show that the pion cloud contributes substantially to the nucleon form factors as well as to the helicity amplitudes of Δ(1232), and it gives an improved agreement compared to the experimental measurement.
Availability note (English)
Available from http://dx.doi.org/10.1088/0253-6102/47/3/033Additional details
Identifiers
Publishing Information
- Journal Title
- Communications in Theoretical Physics
- Journal Volume
- 47
- Journal Issue
- 3
- Journal Page Range
- p. 539-546
- ISSN
- 0253-6102
INIS
- Country of Publication
- China
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 42059032
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- DELTA-1232 BARYONS; FORM FACTORS; HELICITY; PIONS; QUARK MODEL
- Descriptors DEC
- BARYONS; BOSONS; COMPOSITE MODELS; DELTA BARYONS; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; FERMIONS; HADRONS; MATHEMATICAL MODELS; MESONS; N*BARYONS; PARTICLE MODELS; PARTICLE PROPERTIES; PSEUDOSCALAR MESONS