J//psi/ results from Mark III

Conference · Wed Jun 01 04:00:00 EDT 1988

OSTI ID:7022797

Mir, R

Measurements of the two body decays of the J//psi/ into vector and pseudoscalar meson pairs are presented. Using the measured branching ratios, a phenomenological model of J//psi/ decays indicates that the /eta/ and /eta/' are composed only of light and strange quarks, without a gluonium contribution in the /eta/' wavefunction. A measurement of J//psi/ ..-->.. ..gamma pi../sup +/..pi../sup /minus//..pi../sup +/..pi../sup /minus// is presented. The f/sub 1/ (1285) is observed and its spin and parity are investigated. The /eta//sub c/ is observed to decay to /rho//sup 0//rho//sup 0/, and first indications of /eta//sub c/ decays to f/sub 2/f/sub 2/ are presented. The spin and parity of the /eta//sub c/ are investigated. 5 figs., 3 figs., 1 tab.

• Research Organization: Stanford Linear Accelerator Center, Menlo Park, CA (USA); Washington Univ., Seattle (USA)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 7022797
• Report Number(s): SLAC-PUB-4651; CONF-8804147-2; UWSEA-88-01; ON: DE88012743
• Country of Publication: United States
• Language: English

Related Subjects

645100* -- High Energy Physics-- Particle Interactions & Properties-Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BOSONS
BRANCHING RATIO
CHARMONIUM
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
HADRONS
J PSI-3097 MESONS
MASS DISTRIBUTION
MESONS
PARTICLE DECAY
PSEUDOSCALAR MESONS
QUARKONIUM
SPATIAL DISTRIBUTION
VECTOR MESONS