Calculation of the s-wave final-state interactions in the N. pi pi. system

Journal Article · Fri Feb 01 04:00:00 EST 1980 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.21.718· OSTI ID:5459356

Brehm, J J

The coupled integral equations for the N..pi pi.. system are considered for s-wave isobars in S states. For phenomenological objectives the equations are made tractable and the subenergy dependence of the isobar amplitudes is organized according to a collection of resolvents. These quantities satisfy coupled integral equations which are solved by means of a basis-function method. Calculations of the resolvents as functions of the subenergy variable are made for total energy W=1.3, 1.4, and 1.5 GeV. All of the large number of results admit a useful physical parametrization in terms of a sort of complex scattering length. A remarkable sign regularity among the parameters is observed and interpreted.

• Research Organization: Department of Physics and Astronomy, University of Massachusetts, Amherst, Massachusetts 01003
• OSTI ID: 5459356
• Journal Information: Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 21:3; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645206* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. = 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
DALITZ PLOT
DIAGRAMS
ELASTIC SCATTERING
ENERGY DEPENDENCE
ENERGY LEVELS
EQUATIONS
HADRON-HADRON INTERACTIONS
INTEGRAL EQUATIONS
INTERACTIONS
ISOBAR MODEL
ISOSPIN
MANY-BODY PROBLEM
MATHEMATICAL MODELS
MESON-BARYON INTERACTIONS
MESON-MESON INTERACTIONS
MESON-NUCLEON INTERACTIONS
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PION-NUCLEON INTERACTIONS
PION-PION INTERACTIONS
S STATES
S WAVES
SCATTERING
SCATTERPLOTS
THREE-BODY PROBLEM