SU(3)-symmetry breaking and nonleptonic decays in the quark-density model
- 1 October 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 18 (7), 2526-2529
- https://doi.org/10.1103/physrevd.18.2526
Abstract
The phenomenology of the -wave nonleptonic decays in the quark-density model is reviewed. We find that a good fit can be obtained by considering contributions arising due to SU(3) breaking either in the hadronic mass factors or at the strong vertices. However, when considered simultaneously, the two effects tend to cancel each other. It seems impossible to avoid the Coleman-Glashow theorem, in any consistent manner, if the symmetry-breaking tadpoles are introduced explicitly in the Hamiltonian.
Keywords
This publication has 10 references indexed in Scilit:
- Nonleptonic decays in a renormalizable gauge model of chiral symmetryPhysical Review D, 1977
- Difficulties with a quantum chromodynamic formulation of non-leptonic decaysPhysics Letters B, 1976
- A righthanded weak current and quantum chromodynamics as the origin of the dominant nonleptonic weak interactionPhysics Letters B, 1976
- Compilation of coupling constants and low-energy parametersNuclear Physics B, 1973
- Parity-conserving nonleptonic decays of hyperonsLettere al Nuovo Cimento (1971-1985), 1973
- Nonleptonic weak decays andSU 3 breaking of the strong-coupling constantsLettere al Nuovo Cimento (1971-1985), 1972
- Determination of the πΣΣ coupling constant and a possible I = 2 Σπ-resonanceNuclear Physics B, 1971
- Asymmetry Parameter and Branching Ratio ofPhysical Review B, 1969
- Determination ofandCoupling ConstantsPhysical Review Letters, 1967
- Coupling-Constant Sum RulesPhysical Review B, 1963