Baryon-baryon scattering in a one-boson-exchange-potential approach. II. Hyperon-nucleon scattering. [Schroedinger equation, coupling constants, SU(3) groups]

Journal Article · Sun May 01 00:00:00 EDT 1977 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.15.2547· OSTI ID:7310339

Nagels, M M; Rijken, T A; de Swart, J J

From a combined analysis of nucleon-nucleon and hyperon-nucleon scattering with a one-boson-exchange potential model the ..lambda..N and ..sigma..N results are presented. The model consists of local potentials due to exchanges of members of the pseudoscalar and vector-meson nonets and the scalar meson epsilon taken as a unitary singlet. The multichannel Schroedinger equation is solved in configuration space with phenomenological hard-core potentials at short distances. The coupling constants are calculated via SU(3) with the coupling constants of the NN analysis as input. Charge-symmetry breaking between the ..lambda..p and ..lambda..n channels is included. A least-squares fit to the low-energy ..lambda..p, ..sigma../sup +/p, and ..sigma../sup -/p data yields a very satisfactory result. Predictions up to the pion production threshold are given, and, whenever possible, compared to the experimental data.

• Research Organization: Institute for Theoretical Physics, University of Nijmegen, Nijmegen, The Netherlands
• OSTI ID: 7310339
• Journal Information: Phys. Rev., D; (United States), Vol. 15:9
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
NUCLEON-HYPERON INTERACTIONS
SCATTERING LENGTHS
OBE MODEL
PIONS
PARTICLE PRODUCTION
COUPLING CONSTANTS
HARD-CORE POTENTIAL
LAMBDA PARTICLES
PSEUDOSCALAR MESONS
SCHROEDINGER EQUATION
SIGMA PARTICLES
SU-3 GROUPS
SYMMETRY BREAKING
VECTOR MESONS
BARYON-BARYON INTERACTIONS
BARYONS
BOSON-EXCHANGE MODELS
BOSONS
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INTERACTIONS
LIE GROUPS
MATHEMATICAL MODELS
MESON RESONANCES
MESONS
NUCLEAR POTENTIAL
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
RESONANCE PARTICLES
STRANGE PARTICLES
SU GROUPS
SYMMETRY GROUPS
WAVE EQUATIONS
645207* - High Energy Physics- Particle Interactions & Properties-Theoretical- Strong Interactions
Baryon No. Greater than 1- (-1987)