Four-body calculation of the four-nucleon system: Binding energies and scattering results
Journal Article
·
· Phys. Rev. C; (United States)
Using a two-body separable t matrix between pairs, we solve the resulting four-body equations for four spinless bosons in the form that the 2+2 subsystem contribution is treated exactly by the convolution method. The 3+1 subamplitudes are represented as finite rank operators. We compare the utility of these methods both in four-body bound state and scattering calculations. We also develop an approximation that neglects four-body intermediate states in the 2+2 subsystem contribution and compare it with exact results. Finally, we present the results for a four-nucleon calculation with spin dependent s-wave separable interactions between pairs. These formally exact four-body equations are subsequently used to develop one parameter models to describe low energy phase shifts and cross sections for the reactions n /sup 3/H..-->..n /sup 3/H, dd..-->..dd, and dd..-->..p /sup 3/H.
- Research Organization:
- Centro de Fisica Nuclear, Av. Gama Pinto 2, 1699 Lisboa Codex, Portugal
- OSTI ID:
- 6235132
- Journal Information:
- Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 30:1; ISSN PRVCA
- 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)
651215 -- Nuclear Properties & Reactions
A=1-5
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON REACTIONS
BARYONS
BINDING ENERGY
BOUND STATE
CROSS SECTIONS
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ENERGY
FERMIONS
FIELD THEORIES
FOUR-BODY PROBLEM
HADRON REACTIONS
HADRONS
MANY-BODY PROBLEM
MATRICES
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
PARTIAL WAVES
PHASE SHIFT
S MATRIX
S WAVES
SCATTERING
SCATTERING AMPLITUDES
TARGETS
TRITIUM TARGET
Baryon No. Greater than 1-- (-1987)
651215 -- Nuclear Properties & Reactions
A=1-5
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON REACTIONS
BARYONS
BINDING ENERGY
BOUND STATE
CROSS SECTIONS
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ENERGY
FERMIONS
FIELD THEORIES
FOUR-BODY PROBLEM
HADRON REACTIONS
HADRONS
MANY-BODY PROBLEM
MATRICES
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
PARTIAL WAVES
PHASE SHIFT
S MATRIX
S WAVES
SCATTERING
SCATTERING AMPLITUDES
TARGETS
TRITIUM TARGET