Associated strangeness production in the pp{yields}pK{sup +}K{sup -}p and pp{yields}pK{sup +{pi}0{Sigma}0} reactions
Journal Article
·
· Physical Review. C, Nuclear Physics
- Instituto de Fisica Corpuscular (IFIC), Centro Mixto CSIC-Universidad de Valencia, Institutos de Investigacion de Paterna, Aptd. 22085, E-46071 Valencia (Spain)
- Physics and Astronomy Department, UCL, London WC1E 6BT (United Kingdom)
The total and differential cross sections for associated strangeness production in the pp{yields}pK{sup +}K{sup -}p and pp{yields}pK{sup +{pi}0{Sigma}0} reactions have been studied in a unified approach using an effective Lagrangian model. It is assumed that both the K{sup -}p and {pi}{sup 0{Sigma}0} final states originate from the decay of the {Lambda}(1405) that was formed in the production chain pp{yields}p(N*(1535){yields}K{sup +{Lambda}}(1405)). The available experimental data are well reproduced, especially the ratio of the two total cross sections, which is much less sensitive to the particular model of the entrance channel. The significant coupling of the N*(1535) to {Lambda}(1405)K is further evidence for large ss-bar components in the quark wave function of the N*(1535).
- OSTI ID:
- 21419466
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 2 Vol. 82; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
COUPLING
CROSS SECTIONS
DECAY
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
LAGRANGIAN FUNCTION
LAMBDA BARYONS
LAMBDA-1405 BARYONS
MESONS
N BARYONS
N*BARYONS
N-1535 BARYONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PIONS
PIONS NEUTRAL
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUARKS
SIGMA BARYONS
SIGMA NEUTRAL PARTICLES
SIGMA PARTICLES
STRANGE MESONS
STRANGE PARTICLES
STRANGENESS
TOTAL CROSS SECTIONS
WAVE FUNCTIONS
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
COUPLING
CROSS SECTIONS
DECAY
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
LAGRANGIAN FUNCTION
LAMBDA BARYONS
LAMBDA-1405 BARYONS
MESONS
N BARYONS
N*BARYONS
N-1535 BARYONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PIONS
PIONS NEUTRAL
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUARKS
SIGMA BARYONS
SIGMA NEUTRAL PARTICLES
SIGMA PARTICLES
STRANGE MESONS
STRANGE PARTICLES
STRANGENESS
TOTAL CROSS SECTIONS
WAVE FUNCTIONS