Quark compound Bag model for NN scattering up to 1 GeV

Technical Report · Thu Jan 01 04:00:00 EST 1987

DOI:https://doi.org/10.2172/6342290· OSTI ID:6342290

Fasano, C; Lee, T S.H.

A Quark Compound Bag model has been constructed to describe NN s-wave scattering up to 1 GeV. The model contains a vertex interaction H/sub D/leftrightarrow/NN/ for describing the excitation of a confined six-quark Bag state, and a meson-exchange interaction obtained from modifying the phenomenological core of the Paris potential. Explicit formalisms and numerical results are presented to reveal the role of the Bag excitation mechanism in determining the relative wave function, P- and S-matrix of NN scattering. We explore the merit as well as the shortcoming of the Quark Compound Bag model developed by the ITEP group. It is shown that the parameters of the vertex interaction H/sub D/leftrightarrow/NN/ can be more rigorously determined from the data if the notation of the Chiral/Cloudy Bag model is used to allow the presence of the background meson-exchange interaction inside Bag excitation region. The application of the model in the study of quark degrees of freedom in nuclei is discussed. 41 refs., 6 figs., 3 tabs.

• Research Organization: Argonne National Lab., IL (USA)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6342290
• Report Number(s): ANL/PPRNT-89-158; ON: DE89008449
• Country of Publication: United States
• Language: English

Related Subjects

645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
657002 -- Theoretical & Mathematical Physics-- Classical & Quantum Mechanics
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BAG MODEL
BARYON-BARYON INTERACTIONS
COMPOSITE MODELS
DATA
DEGREES OF FREEDOM
DIFFERENTIAL EQUATIONS
EQUATIONS
EXTENDED PARTICLE MODEL
FUNCTIONS
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
MATHEMATICAL MODELS
MATRIX ELEMENTS
MATTER
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTIAL DIFFERENTIAL EQUATIONS
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE MODELS
PHASE SHIFT
QUARK MATTER
QUARK MODEL
S WAVES
SCATTERING
SCHROEDINGER EQUATION
THEORETICAL DATA
WAVE EQUATIONS
WAVE FUNCTIONS