Shell effects in Pb(p,xn) preequilibrium neutron emission
Journal Article
·
· Phys. Rev. C; (United States)
The /sup 204/, 206, 207, 208Pb(p,xn) reactions have been investigated at E/sub p/ = 25.5 MeV. The hard energy spectra and the structures observed in the preequilibrium continuum are attributed to the nearby double shell closure. Application of semiclassical preequilibrium models requires the reduction of the state density g and/or the use of (1p)(1n)/sup -1/ state densities based on realistic single particle level schemes.
- Research Organization:
- I. Institut fuer Experimentalphysik, Zyklotron, Universitaet Hamburg, D-2000 Hamburg 50, Federal Republic of Germany
- OSTI ID:
- 5959558
- Journal Information:
- Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 36:2; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651920* -- Nuclear Properties & Reactions
A=190-219
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
EMISSION
ENERGY LEVELS
ENERGY RANGE
ENERGY SPECTRA
HADRON REACTIONS
LEAD 204 TARGET
LEAD 206 TARGET
LEAD 207 TARGET
LEAD 208 TARGET
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NEUTRON EMISSION
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PARTICLE MODELS
PRECOMPOUND-NUCLEUS EMISSION
PROTON REACTIONS
SEMICLASSICAL APPROXIMATION
SHELL MODELS
SINGLE-PARTICLE MODEL
SPECTRA
TARGETS
TIME-OF-FLIGHT METHOD
A=190-219
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
EMISSION
ENERGY LEVELS
ENERGY RANGE
ENERGY SPECTRA
HADRON REACTIONS
LEAD 204 TARGET
LEAD 206 TARGET
LEAD 207 TARGET
LEAD 208 TARGET
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NEUTRON EMISSION
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PARTICLE MODELS
PRECOMPOUND-NUCLEUS EMISSION
PROTON REACTIONS
SEMICLASSICAL APPROXIMATION
SHELL MODELS
SINGLE-PARTICLE MODEL
SPECTRA
TARGETS
TIME-OF-FLIGHT METHOD