Production of J/psi particles in. pi. p and pp collisions
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5866869
The production of J/psi mesons in pp collisions in the energy range from 70 GeV to ISR energies is considered in the framework of the pion-exchange model, taking into account the experimental data on J/psi production in ..pi..p collisions. A new parametrization is proposed for the inclusive cross section of the process ..pi..p..-->..J/psi+X over a wide energy region. It is shown that the pion exchange model, with parameters obtained from an analysis of the nucleon and ..delta.. isobar spectra, enables one to describe the energy dependence and the shape of the J/psi spectrum in pp collisions. The relation between the cross sections for the associated production of a J/psi particle with a nucleon, or with a ..delta.. isobar, is determined. A possible interpretation of the results is discussed in terms of the quark-parton approach.
- Research Organization:
- Institute of Theoretical and Experimental Physics, State Atomic Energy Commission
- OSTI ID:
- 5866869
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 29:3; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645206* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. = 1-- (-1987)
645207 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
BOSONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY DEPENDENCE
ENERGY RANGE
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INCLUSIVE INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PERIPHERAL MODELS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSI RESONANCES
PSI-3105 RESONANCES
QUARK MODEL
RESONANCE PARTICLES
VECTOR MESONS
Baryon No. = 1-- (-1987)
645207 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
BOSONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY DEPENDENCE
ENERGY RANGE
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INCLUSIVE INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PERIPHERAL MODELS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSI RESONANCES
PSI-3105 RESONANCES
QUARK MODEL
RESONANCE PARTICLES
VECTOR MESONS