Published August 25, 1988 | Version v1
Journal article Metadata-only

Comment on a recent critique of Hara's theorem for radiative hyperon decay

Creators

  • 1. California Univ., Berkeley (USA). Dept. of Physics
  • 2. Lawrence Berkeley Lab., CA (USA)

Description

Contrary to a recent assertion, infrared singularities arising from internal bremsstrahlung in radiative hyperon decays do not invalidate Hara's theorem which states that the asymmetry parameters in Σ+ → pγ and Ξ- → Σ-γ vanish in the exact flavor SU(3) limit. (orig.)

Additional details

Publishing Information

Journal Title
Phys. Lett., B
Journal Volume
211
Journal Issue
1/2
Series
Phys. Lett., B.
Journal Page Range
189-191
ISSN
0370-2693
CODEN
PYLBA

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
19102865
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
ASYMMETRY; CP INVARIANCE; DECAY AMPLITUDES; DIRAC EQUATION; E1-TRANSITIONS; FEYNMAN DIAGRAM; FLAVOR MODEL; HYPERONS; INFRARED DIVERGENCES; INTERNAL BREMSSTRAHLUNG; M1-TRANSITIONS; P INVARIANCE; POWER SERIES; QUARKS; RADIATIVE DECAY; REST MASS; SIGMA PLUS PARTICLES; SINGULARITY; SU-3 GROUPS; SYMMETRY BREAKING; XI MINUS PARTICLES
Descriptors DEC
AMPLITUDES; BARYONS; BREMSSTRAHLUNG; COMPOSITE MODELS; DECAY; DIAGRAMS; DIFFERENTIAL EQUATIONS; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; ENERGY-LEVEL TRANSITIONS; EQUATIONS; FERMIONS; FIELD EQUATIONS; HADRONS; INFORMATION; INVARIANCE PRINCIPLES; LIE GROUPS; MASS; MATHEMATICAL MODELS; MULTIPOLE TRANSITIONS; PARTIAL DIFFERENTIAL EQUATIONS; PARTICLE DECAY; PARTICLE MODELS; POSTULATED PARTICLES; QUARK MODEL; RADIATIONS; SERIES EXPANSION; SIGMA BARYONS; SIGMA PARTICLES; STRANGE PARTICLES; SU GROUPS; SYMMETRY GROUPS; TRANSITION AMPLITUDES; WAVE EQUATIONS; XI BARYONS; XI PARTICLES

Optional Information

Contract/Grant/Project number
Contract DE-AC03-76SF00098; Grant PHY-85-15857