Intermediate-energy nuclear theory. [Physics Dept. , Texas A and M Univ]
Investigations on the nucleon-nucleon interaction at medium energies are reported. A major program to extract the experimental scattering amplitudes from the NN data over the 0 to 850 MeV energy range was begun. Special subprograms were set up to handle the large amount of data involved, and to estimate the total reaction cross sections. A program to project out partial-wave amplitudes of a tree-graph model for NN ..-->.. NN..pi.., in order to supplement the data in the higher angular momentum states, was completed. Work was also carried out on the three-body problem, particularly ..pi..-deuteron scattering, and on setting up an appropriate formalism for the two-to-three particle process NN ..-->.. NN..pi... In strong-interaction-related work, the pion-nucleon sigma term was investigated, and the dual-model prediction for factorizable three-hadron form factors was confirmed. Finally, a study of isospin as a dynamical operator in an extended space was continued. Individual summaries in this report are of only abstract length with no data. References are given.
- Research Organization:
- Texas A and M Univ., College Station (USA). Dept. of Physics
- DOE Contract Number:
- AS05-76ER05223
- OSTI ID:
- 6916528
- Report Number(s):
- DOE/ER/05223-35
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645207* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
653000 -- Nuclear Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
COMMUTATORS
CROSS SECTIONS
CURRENT COMMUTATORS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
FORM FACTORS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOSPIN
MANY-BODY PROBLEM
MATHEMATICAL OPERATORS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MEV RANGE
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PION-DEUTERON INTERACTIONS
PION-NUCLEON INTERACTIONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM OPERATORS
RESEARCH PROGRAMS
SCATTERING AMPLITUDES
SIGMA TERMS
THREE-BODY PROBLEM
TOTAL CROSS SECTIONS
Baryon No. Greater than 1-- (-1987)
653000 -- Nuclear Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON-BARYON INTERACTIONS
BARYONS
BOSONS
COMMUTATORS
CROSS SECTIONS
CURRENT COMMUTATORS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
FORM FACTORS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOSPIN
MANY-BODY PROBLEM
MATHEMATICAL OPERATORS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MEV RANGE
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PION-DEUTERON INTERACTIONS
PION-NUCLEON INTERACTIONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM OPERATORS
RESEARCH PROGRAMS
SCATTERING AMPLITUDES
SIGMA TERMS
THREE-BODY PROBLEM
TOTAL CROSS SECTIONS