Published December 9, 2002
| Version v1
Journal article
Δ→Nγ in large-Nc QCD
- 1. University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0319 (United States)
- 2. Department of Physics, University of Maryland, College Park, Maryland 20742 (United States)
Description
The decay Δ+→pγ is studied in the 1/Nc expansion of QCD. The ratio of the helicity amplitudes is determined to be A3/2/A1/2=√(3)+O(1/Nc2). Equivalently, the ratio E2/M1 of the multipole amplitudes is predicted to be order 1/Nc2
Additional details
Identifiers
- DOI
- 10.1103/PhysRevLett.89.242001;
- arXiv
- arXiv:hep-ph/0207092v1;
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 89
- Journal Issue
- 24
- Journal Page Range
- p. 242001-242001.3
- ISSN
- 0031-9007
- CODEN
- PRLTAO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 35030307
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- DELTA BARYONS; GAMMA RADIATION; HELICITY; NUCLEONS; QUANTUM CHROMODYNAMICS; SPIN
- Descriptors DEC
- ANGULAR MOMENTUM; BARYONS; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; HADRONS; IONIZING RADIATIONS; N*BARYONS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY; RADIATIONS
Optional Information
- Notes
- (c) 2002 The American Physical Society