Model dependence of unitary isobar model treatments of NN. -->. NN. pi. at intermediate energies

Journal Article · Mon Sep 01 04:00:00 EDT 1986 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.34.944· OSTI ID:5136819

Dubach, J; Kloet, W M; Silbar, R R; Tjon, J A; van Faassen, E

We compare two ''conventional'' relativistic unitary isobar models for the NN..-->..NN..pi.. reaction. One model, which preserves two- and three-body unitarity, contains only pion exchange, while the other, based on a two-body coupled-channels approach, includes heavier meson exchanges. Thus, we attempt to identify the model dependence of predictions for the NN..-->..NN..pi.. process over a large part of final state phase space. Differential cross sections and a variety of spin observables are examined. Implications for the identification of exotic dibaryon resonances are briefly discussed.

• Research Organization: Department of Physics and Astronomy, University of Massachusetts, Amherst, Massachusetts 01003
• OSTI ID: 5136819
• Journal Information: Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 34:3; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

645207* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BOSONS
COUPLED CHANNEL THEORY
CROSS SECTIONS
DIBARYON RESONANCES
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOBAR MODEL
MANY-BODY PROBLEM
MATHEMATICAL MODELS
MATHEMATICAL SPACE
MESONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PHASE SPACE
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
RELATIVISTIC RANGE
SCATTERING
SPACE
SPIN
THREE-BODY PROBLEM
UNITARITY