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/sup 206/Pb(. cap alpha. ,d)/sup 208/Bi at 48 MeV

Journal Article · · Phys. Rev. C; (United States)
;
The /sup 206/Pb(..cap alpha..,d)/sup 208/Bi reaction was investigated at 48.2 MeV with about 25 keV resolution. Angular distributions were obtained for 48 levels at excitation energies up to 5 MeV. Many previously unknown levels were seen and most seem to have two-particle--two-hole structure and spins above 6; however, the relatively structureless angular distributions permit only approximate L assignments. Transitions to six low-lying one-particle--one-hole states were analyzed in detail. Distorted-wave Born approximation predictions agreed with the observed angular distributions, but the absolute cross sections computed from published /sup 206/Pb and /sup 208/Bi wave functions are generally larger than observed, particularly those for the J/sub max/ states. Contributions of the dominant two-step sequential stripping channels to the one-step results were investigated. They were important and gave varying amounts of enhancement for all six levels. The observed quenching of the J/sub max/ cross sections was not reproduced.
Research Organization:
Nuclear Physics Laboratory, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
OSTI ID:
6528470
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 29:6; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

651923* -- Nuclear Properties & Reactions
A=190-219
Experimental-- Energy Levels & Transitions-- (-1987)
651925 -- Nuclear Properties & Reactions
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ANGULAR DISTRIBUTION
BETA DECAY RADIOISOTOPES
BISMUTH 208
BISMUTH ISOTOPES
BORN APPROXIMATION
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DEUTERON SPECTRA
DEUTERONS
DIRECT REACTIONS
DISTRIBUTION
DWBA
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
ENERGY RANGE
EXPERIMENTAL DATA
HEAVY NUCLEI
INFORMATION
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEAD 206 TARGET
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PARTICLE-HOLE MODEL
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SPECTRA
STRIPPING
TARGETS
TRANSFER REACTIONS
YEARS LIVING RADIOISOTOPES