Few body problems in nuclear and particle physics

Thesis/Dissertation · Sat Jan 01 00:00:00 EST 1983

OSTI ID:5409149

Carlson, J A

Interaction models are developed in nuclear and particle physics, and properties of few body systems are calculated in terms of these models. In nuclear physics, realistic three nucleon interaction (TNI) models are developed and applied to three and four body nuclei. In particle physics, a semi-relativistic quark model is developed and hadron spectra are calculated. First described is the interaction models and their theoretical basis. The NN interaction models are reviewed and then two pion exchange models of TNI are discussed. Additionally, a semi-relativistic quark model is presented based upon flux tubes and the one gluon exchange interaction. The techniques of solving the Schroedinger equation for few body systems are discussed. The variational Monte Carlo method, which is use for these calculations, is presented in some detail, and the Faddeev and GFMC methods are reviewed briefly. Results obtained for simple model interactions are compared with the various methods, and a technique which allows calculations of particle unstable states to be performed is also developed. Finally, the results are compared with experiment. In nuclear physics, the binding energy, rms radii, charge form factors, magnetic moments, and coulomb energy for the ground states of three and four body nuclei are calculated. Results of calculations of scattering states in /sup 4/He are presented. In particle physics, the spectra of baryons made up of up and down quarks, and mesons consisting of both light and heavy quarks are calculated.

• Research Organization: Illinois Univ., Urbana (USA)
• OSTI ID: 5409149
• Resource Relation: Other Information: Thesis (Ph. D.)
• Country of Publication: United States
• Language: English

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FORM FACTORS
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NUCLEI
NUMERICAL DATA
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