Published February 1990 | Version v1
Journal article Metadata-only

A quark model study of weak nonleptonic decays of baryons

Creators

  • 1. Panjab Univ., Chandigarh (India). Dept. of Physics

Description

We study weak radiative and pionic decays of strange baryons in the framework of constituent quark model. We find that W-exchange two quark transitions dominate the radiative decays and a small single quark transition is necessary for Ξ- and Ω- decays. For the pionic decays, we employ a semidynamical scheme by considering weak spurion - quark (diquark) scattering process and derive new decay amplitude relations. (orig.)

Additional details

Publishing Information

Journal Title
Nuclear Physics. B, Proceedings Supplements
Journal Volume
13
Series
Nucl. Phys., B Proc. Suppl.
Journal Page Range
452-454
ISSN
0920-5632
CODEN
NPBSE

Conference

Title
12. international workshop on weak interactions and neutrinos.
Dates
9-14 Apr 1989.
Place
Ginosar (Israel).

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
21060929
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Conference, Numerical Data
Descriptors DEI
BRANCHING RATIO; CHARGED-CURRENT INTERACTIONS; DECAY AMPLITUDES; FLAVOR MODEL; HELICITY; HYPERONS; INTERACTION RANGE; LAMBDA PARTICLES; OBE MODEL; OMEGA PARTICLES; P INVARIANCE; POLARIZATION-ASYMMETRY RATIO; QUANTUM CHROMODYNAMICS; QUARK-QUARK INTERACTIONS; RADIATIVE DECAY; SIGMA MINUS PARTICLES; SIGMA PLUS PARTICLES; SPIN FLIP; SPIN ORIENTATION; SYMMETRY BREAKING; THEORETICAL DATA; WEAK HADRONIC DECAY; WEINBERG LEPTON MODEL; XI MINUS PARTICLES; XI NEUTRAL PARTICLES
Descriptors DEC
AMPLITUDES; BARYONS; BOSON-EXCHANGE MODELS; COMPOSITE MODELS; DATA; DECAY; DISTANCE; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; HADRONS; INFORMATION; INTERACTIONS; INVARIANCE PRINCIPLES; LAMBDA BARYONS; MATHEMATICAL MODELS; NUMERICAL DATA; OMEGA BARYONS; ORIENTATION; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; PERIPHERAL MODELS; QUANTUM FIELD THEORY; QUARK MODEL; SIGMA BARYONS; SIGMA PARTICLES; STRANGE PARTICLES; TRANSITION AMPLITUDES; UNIFIED GAUGE MODELS; WEAK PARTICLE DECAY; XI BARYONS; XI PARTICLES