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Status of the Regge-pole model for KN scattering

Journal Article · · Phys. Rev., D; (United States)
; ;
We compare the data on K/sup +/-p elastic, KN charge-exchange, and ..pi../sup -/p ..-->.. eta/sup 0/n scattering with several classes of models. We show that the simple Regge-pole model is surprisingly good except for certain discrepancies with the data in and near the forward direction. It is found that if we add high-energy terms of a quadratic form in logs to all exchanges while at the same time imposing certain desirable restrictions (for example exchange degeneracy) on the Regge-pole parameters, an accurate description of the data can be obtained. Polarization predictions at high energy clearly distinguish between the different types of model, and KN charge-exchange and eta/sup 0/ production are shown to offer the best test of the existence of these unconventional effects near t = 0.
Research Organization:
Department of Physics and Astronomy, University College, London, England
OSTI ID:
7320966
Journal Information:
Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 15:11; ISSN PRVDA
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)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
BARYONS
BASIC INTERACTIONS
BOSONS
CHARGE-EXCHANGE INTERACTIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ETA MESONS
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
KAON MINUS-NEUTRON INTERACTIONS
KAON MINUS-PROTON INTERACTIONS
KAON PLUS-NEUTRON INTERACTIONS
KAON PLUS-PROTON INTERACTIONS
KAON-NEUTRON INTERACTIONS
KAON-NUCLEON INTERACTIONS
KAON-PROTON INTERACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NEUTRONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
POLARIZATION
PSEUDOSCALAR MESONS
REGGE POLES
SCATTERING
SCATTERING AMPLITUDES
STRONG INTERACTIONS
T CHANNEL
TOTAL CROSS SECTIONS
TOTAL CROSS SECTIONS CHARGE-EXCHANGE INTERACTIONS