35-plet baryons from chiral soliton models
- Department of Physics, Peking University, Beijing 100871 (China)
We investigate the 35-plet baryons from the chiral soliton models. We find that the coupling constant for the decay of 35-plet baryons with spin 3/2 to the decuplet baryons is surprisingly small, but that for the decay to 27-plet baryons with spin 3/2 is larger. We give all the masses and widths of 35-plet baryons with spin 5/2 and suggest candidates for all nonexotic members from the available particle listings. We also focus on {delta}{sub 5/2} and {theta}{sub 2}, which are the lightest two baryons of 35-plet with spin 5/2 and with simplest minimal pentaquark configurations. Calculations show that {gamma}{sub {delta}{sub 5/2}}<380 MeV, compared with the results from the SU(2) Skyrme model ({gamma}{sub {delta}{sub 5/2}}>800 MeV), and {gamma}{sub {theta}{sub 2}}<100 MeV if we assume that their widths are dominated by two-body decay and that {theta}{sup +} has a width {gamma}{sub {theta}{sup +}}<25 MeV.
- OSTI ID:
- 20705636
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 70, Issue 9; Other Information: DOI: 10.1103/PhysRevD.70.094042; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BAG MODEL
CHIRAL SYMMETRY
CHIRALITY
COUPLING CONSTANTS
DELTA BARYONS
HADRONIC PARTICLE DECAY
HYPERONS
MEV RANGE
NONLINEAR PROBLEMS
PARTICLE MULTIPLETS
PARTICLE WIDTHS
QUANTUM FIELD THEORY
RESONANCE PARTICLES
REST MASS
SKYRME POTENTIAL
SOLITONS
SPIN
SU-2 GROUPS
TWO-BODY PROBLEM