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Study of the Okubo-Zweig-Iizuka--rule--violating reactions. pi. /sup +/n. -->. phip and. pi. /sup +/p. -->. phi. delta. /sup + +/ at 10 GeV/c

Journal Article · · Phys. Rev. D; (United States)
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We have measured the cross sections for the Okubo-Zweig-Iizuka--rule--violating reactions ..pi../sup +/n..-->..phip and ..pi../sup +/p..-->..phi..delta../sup + +/ at 10 GeV/c using the large-aperture-solenoid spectrometer at the Stanford Linear Accelerator Center. We measure the total cross sections for these two reactions to be 179 +- 72 nb for the phip reaction and 172 +- 75 nb for the phi..delta../sup + +/ reaction. Both of these cross sections are consistent with the hypothesis of the phi being produced solely by its nonstrange-quark component as determined from the octet-singlet mixing angle resulting from application of the Gell-Mann--Okubo mass formula to the vector-meson nonet. These data are thus inconsistent with an ideally mixed phi meson.

Research Organization:
Department of Physics and Ames Laboratory, Iowa State University, Ames, Iowa 50011
OSTI ID:
6071666
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 24:9; ISSN PRVDA
Country of Publication:
United States
Language:
English

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Related Subjects

645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BOSONS
CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
MASS FORMULAE
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHI-1019 RESONANCES
PION PLUS-NEUTRON INTERACTIONS
PION PLUS-PROTON INTERACTIONS
PION-NEUTRON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
POSTULATED PARTICLES
PROTONS
QUARKS
RESONANCE PARTICLES
TOTAL CROSS SECTIONS
VECTOR MESONS