Radiative decays of 1/sup -/ quarkonia to )/sup +- /, 1/sup +/, 2/sup +- / states

Journal Article · Mon Sep 01 00:00:00 EDT 1986 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.34.1418· OSTI ID:5085073

Denham, S A; Sullivan, J D

We examine two-body radiative decays of quarkonium states O-italic-circumflex..--> gamma..+zeta in order to study the effects of the spin of the zeta on decay widths; zeta stands for any elementary particle or resonance. Using effective zeta couplings in a calculation which goes beyond the Wilczek approximation, we find that in all cases examined, J-italic/sub zeta/ = 0/sup +- /, 1/sup +/, 2/sup +- /, spin has little effect on the ratio GAMMA(O-italic-circumflex(2S-italic)..--> gamma..+zeta)/ GAMMA(O-italic-circumflex(1S-italic)..--> gamma..+zeta) except for zeta masses close to the phase-space limit.

• Research Organization: Department of Physics, University of Illinois at Urbana-Champaign, 1110 W. Green Street, Urbana, Illinois 61801
• OSTI ID: 5085073
• Journal Information: Phys. Rev. D; (United States), Vol. 34:5
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUARKONIUM
RADIATIVE DECAY
BRANCHING RATIO
ENERGY LEVELS
HIGGS BOSONS
MASS
PARITY
PHASE SPACE
PHOTONS
QUANTUM CHROMODYNAMICS
SPIN
SUPERSYMMETRY
TWO-BODY PROBLEM
WAVE FUNCTIONS
ANGULAR MOMENTUM
ELEMENTARY PARTICLES
FIELD THEORIES
FUNCTIONS
MANY-BODY PROBLEM
MASSLESS PARTICLES
MATHEMATICAL SPACE
PARTICLE PROPERTIES
POSTULATED PARTICLES
QUANTUM FIELD THEORY
SPACE
SYMMETRY
645202* - High Energy Physics- Particle Interactions & Properties-Theoretical- Electromagnetic Interactions & Properties