Published July 15, 1979
| Version v1
Journal article
Renormalization of an SU(n) linear sigma model in the one-loop approximation for n > or = 4
Description
A linear SU(n) sigma model with spin-zero mesons is demonstrated to be renormalizable in the one-loop approximation for n > or = 4. The mesons are assigned to the (n,n*) direct-sum (n*,n) representation of SU(n) x SU(n). The model incorporates both Nambu-Goldstone symmetry breaking and explicit symmetry-breaking terms linear in the fields. The counterterms are evaluated. As an additional four-point coupling is available in the SU(4) case, the SU(4) model is considered separately. A number of useful relations among the SU(n) f and d tensors are presented
Additional details
Publishing Information
- Journal Title
- Phys. Rev., D
- Journal Volume
- 20
- Journal Issue
- 2
- Series
- Phys. Rev., D.
- Journal Page Range
- 531-539
- ISSN
- 0556-2821
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 11498506
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- AXIAL-VECTOR CURRENTS; CHIRAL SYMMETRY; MESONS; PCAC THEORY; QUARK MODEL; RENORMALIZATION; SIGMA-410 RESONANCES; SPIN; SU-4 GROUPS; SYMMETRY BREAKING
- Descriptors DEC
- ALGEBRAIC CURRENTS; ANGULAR MOMENTUM; BOSONS; COMPOSITE MODELS; CURRENTS; ELEMENTARY PARTICLES; HADRONS; LIE GROUPS; MATHEMATICAL MODELS; MESON RESONANCES; PARTICLE MODELS; PARTICLE PROPERTIES; RESONANCE PARTICLES; SU GROUPS; SYMMETRY; SYMMETRY GROUPS