Branching-ratio predictions for the iota(1440)

Journal Article · Sun May 01 00:00:00 EDT 1983 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.27.2219· OSTI ID:5753832

Palmer, W F; Pinsky, S S

A simple pole model is used to predict iota..-->..delta..pi.., rho..gamma.., ..omega gamma.., phi..gamma.., rho..pi pi.., and eta..pi pi... The rates iota..-->..eta..pi pi.. and iota..-->..KK-bar..pi.. are examined in detail. In the pole model the rate iota..-->..eta..pi pi.. is compared to eta'..-->..eta..pi pi.. and we have the prediction B(iota..-->..eta..pi pi..)/B(iota..-->..KK-bar..pi..) = 10%. A direct calculation that takes into account the cancellation between iota..-->..delta..pi -->..(eta..pi..)..pi.. and iota..-->..etaepsilon..-->..eta(..pi pi..), the KK-bar threshold, and SU(3) violations seen in the decay of the delta, predicts 20%< or =B(iota..-->..eta..pi pi..)/B(iota..-->..KK-bar..pi..),< or =110%. Both calculations are consistent with the experimental limit of 50%.

• Research Organization: Department of Physics, The Ohio State University, Columbus, Ohio 43210
• OSTI ID: 5753832
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 27:9; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645203* -- High Energy Physics-- Particle Interactions &amp; Properties-Theoretical-- Weak Interactions &amp; Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
BRANCHING RATIO
DECAY
ELEMENTARY PARTICLES
ETA MESONS
GLUEBALLS
HADRONS
KAONS
LIE GROUPS
MESON RESONANCES
MESONS
PARTICLE DECAY
PIONS
PSEUDOSCALAR MESONS
REGGE POLES
RESONANCE PARTICLES
STRANGE PARTICLES
SU GROUPS
SU-3 GROUPS
SYMMETRY GROUPS
WEAK HADRONIC DECAY
WEAK PARTICLE DECAY