Parity-violating decays of charmed baryons in a quark model

Journal Article · Mon Mar 31 23:00:00 EST 1980 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.21.1887· OSTI ID:5458870

Kanwar, S; Verma, R C; Khanna, M P

We study parity-violating nonleptonic decays of charmed baryons as arising through single-quark and two-quark transitions. We notice that single-quark transition acquires null contribution from the Glashow-Iliopoulos-Maiani (GIM) weak Hamiltonian (20''+84). 20'' dominance in the GIM model forbids B(3) ..-->.. B(8)+P(3*) and B(3) ..-->.. B(6)+P(8) decays in two-quark transitions. We also include 45, 45* components in the weak Hamiltonian, which may occur through unconventional currents. Only ..pi../sup +/-emitting decays then occur through single-quark transitions. Thus the weak decays of charmed baryons arise predominantly through two-quark transitions.

• Research Organization: Department of Physics, Panjab University, Chandigarh-160014, India
• OSTI ID: 5458870
• Journal Information: Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 21:7; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645302 -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
BARYON RESONANCES
BARYONS
BOUND STATE
CABIBBO ANGLE
CHARM PARTICLES
CHARMED BARYON RESONANCES
COMPOSITE MODELS
DECAY
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
HADRONS
HAMILTONIANS
INVARIANCE PRINCIPLES
LIE GROUPS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
P INVARIANCE
PARTICLE DECAY
PARTICLE MODELS
POSTULATED PARTICLES
QUANTUM OPERATORS
QUARK MODEL
RESONANCE PARTICLES
SU GROUPS
SU-4 GROUPS
SUM RULES
SYMMETRY BREAKING
SYMMETRY GROUPS
WEAK HADRONIC DECAY
WEAK PARTICLE DECAY