phi-meson production in the reaction p/sub arrow-up/p. -->. pK/sup -/K/sup +/p at 11. 75 GeV/c
Journal Article
·
· Phys. Rev. D; (United States)
15 000 events of the reaction p/sub arrow-up/p..-->..pK/sup +/K/sup -/p were obtained at 11.75 GeV/c using the Zero Gradient Synchrotron polarized proton beam and the Effective Mass Spectrometer. This event sample includes 1500 events of p/sub arrow-up/p..-->..pphip. The characteristics of phi production are examined. The t distribution is found to be quite shallow (exponential slope parameter 3.3 GeV/sup -2/). The cross section for phi production is compared to that for pp..-->..p..omega..p measured in the same apparatus. A ratio of phi/..omega.. cross sections of 0.010 +- 0.002 is found, substantially larger than the value of 0.002 predicted by the Okubo-Zweig-Iizuka rule. Upper limits are set for the production of narrow states, possibly of a qqqqq-bar quark composition, decaying into phip,K/sup +/K/sup -/p, or K/sup +/Y*(1520).
- Research Organization:
- Argonne National Laboratory, Argonne, Illinois 60439
- OSTI ID:
- 5195611
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 25:9; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYON-BARYON INTERACTIONS
BOSONS
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
ENERGY RANGE
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
MESON RESONANCES
MESONS
NUCLEON-NUCLEON INTERACTIONS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHI-1019 RESONANCES
POSTULATED PARTICLES
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUARKS
RESONANCE PARTICLES
STRANGE PARTICLES
SYNCHROTRONS
VECTOR MESONS
ZGS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYON-BARYON INTERACTIONS
BOSONS
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
ENERGY RANGE
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
MESON RESONANCES
MESONS
NUCLEON-NUCLEON INTERACTIONS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHI-1019 RESONANCES
POSTULATED PARTICLES
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUARKS
RESONANCE PARTICLES
STRANGE PARTICLES
SYNCHROTRONS
VECTOR MESONS
ZGS