Published March 17, 1980 | Version v1
Journal article Metadata-only

Decay J/π → 3γ and a search for the eta/sub c/

Creators

  • 1. Physics Department, California Institute of Technology, Pasadena, California 91125

Description

The decay J/psi into 3γ final states has been studied. No evidence is found for the existence of the X(2.83) or any heavy narrow state (e.g., the eta/sub c/) decaying into two photons. Upper limits are given on the branching ratio J/psi → eta/sub c/,eta/sub c/ → 2γ for eta/sub c/ masses in the 2.7--3.0-GeV region. In addition, the branching ratios J/psi → γeta,γeta' are measured. It is found that the eta' branching ratio is higher than previously reported

Additional details

Publishing Information

Journal Title
Phys. Rev. Lett.
Journal Volume
44
Journal Issue
11
Series
Phys. Rev. Lett.
Journal Page Range
712-716
ISSN
0031-9007

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
11554146
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
ANNIHILATION; BRANCHING RATIO; CHARMED MESON RESONANCES; DALITZ PLOT; ELECTRON-POSITRON INTERACTIONS; MONTE CARLO METHOD; PARTICLE PRODUCTION; PSI RESONANCES; QUANTUM ELECTRODYNAMICS; RADIATIVE DECAY; SPEAR
Descriptors DEC
BOSONS; DECAY; DIAGRAMS; ELECTRODYNAMICS; ELECTROMAGNETIC PARTICLE DECAY; ELEMENTARY PARTICLES; FIELD THEORIES; HADRONS; INFORMATION; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; MESON RESONANCES; MESONS; PARTICLE DECAY; PARTICLE INTERACTIONS; QUANTUM FIELD THEORY; RESONANCE PARTICLES; SCATTERPLOTS; STORAGE RINGS; WEAK PARTICLE DECAY