Generalization of the peripheral model with inclusion of rescattering for (. cap alpha. , 2. cap alpha. ) reactions
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5539504
A peripheral model is proposed for calculations of the quasielastic knockout (..cap alpha.., 2..cap alpha..) in which one includes explicitly the contributions to the reaction amplitude from the pole and triangle Feynman diagrams corresponding to rescattering in the final state. The peripheral character of the (..cap alpha.., 2..cap alpha..) reaction in the vicinity of the quasielastic peak is taken into account phenomenologically by suppressing the contribution to the reaction amplitude from the internal region of the target nucleus. The model proposed is applied to the description of the reaction /sup 6/Li(..cap alpha.., 2..cap alpha..)/sup 2/H at ..cap alpha..-particle energies E/sub 0/ = 40--80 MeV. The differential cross sections calculated are in good agreement with the measured values. The importance of the inclusion of rescattering effects even in the peripheral region of the reaction amplitude is shown. The nuclear vertex constants for /sup 6/Li ..-->.. ..cap alpha..+d are extracted from the analysis of experimental data.
- Research Organization:
- Nuclear Physics Institute, Moscow State University
- OSTI ID:
- 5539504
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 37:2; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651315* -- Nuclear Properties & Reactions
A=6-19
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
CHARGED-PARTICLE REACTIONS
DEUTERIUM
DIAGRAMS
DIRECT REACTIONS
ENERGY RANGE
FEYNMAN DIAGRAM
HYDROGEN ISOTOPES
ISOTOPES
KNOCK-OUT REACTIONS
LIGHT NUCLEI
LITHIUM 6 TARGET
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
PARTICLE MODELS
PERIPHERAL MODELS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RESCATTERING
SCATTERING
STABLE ISOTOPES
TARGETS
A=6-19
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
CHARGED-PARTICLE REACTIONS
DEUTERIUM
DIAGRAMS
DIRECT REACTIONS
ENERGY RANGE
FEYNMAN DIAGRAM
HYDROGEN ISOTOPES
ISOTOPES
KNOCK-OUT REACTIONS
LIGHT NUCLEI
LITHIUM 6 TARGET
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
PARTICLE MODELS
PERIPHERAL MODELS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RESCATTERING
SCATTERING
STABLE ISOTOPES
TARGETS