Elastic and inelastic scattering of polarized protons from /sup 206/Pb near isobaric analog resonances

Technical Report · Thu Dec 31 23:00:00 EST 1981

OSTI ID:6181723

Back, N L; Cramer, J G

Excitation functions have been measured for the elastic and inelastic scattering of polarized proton from /sup 206/Pb at theta/sub lab/ = 120/sup 0/, 135/sup 0/, 150/sup 0/, and 165/sup 0/ in the energy range E/sub p/ = 14.25 to 18.00 MeV. Excellent fits to the elastic scattering data were obtained using a parametrized background and the isobaric analog resonances (IAR's) of 35 states in /sup 207/Pb (the parent states) with E/sub x/ = 2.3 to 5.7 MeV; spin-parity assignments and resonance parameters were determined for all of these IAR's. The data for inelastic scattering to the first excited state (2/sup +/, 0.803 MeV) were described using a DWBA background and the same IAR's; good fits to the data were obtained by varying only the inelastic partial width amplitudes. A set of spectroscopic amplitudes was then found, for both the single-particle and the particle-core components of the parent states, by comparing the best-fit resonance parameters with those given by model calculations. The internal consistency of this set was verified by using sum rules. The spectroscopic amplitudes are compared with those given by simple weak-coupling model predictions; there is considerable disagreement, probably because too few configurations were used in the theoretical calculations.

• Research Organization: Washington Univ., Seattle (USA). Nuclear Physics Lab.
• DOE Contract Number: AC06-81ER40048
• OSTI ID: 6181723
• Report Number(s): DOE/ER/40048-38-L2; ON: DE83011485
• Country of Publication: United States
• Language: English

Related Subjects

651923 -- Nuclear Properties & Reactions
A=190-219
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651925* -- Nuclear Properties & Reactions
A=190-219
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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BARYON REACTIONS
BEAMS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELASTIC SCATTERING
ENERGY LEVELS
ENERGY RANGE
EVEN-ODD NUCLEI
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
HADRON REACTIONS
HEAVY NUCLEI
INELASTIC SCATTERING
INFORMATION
ISOBARIC ANALOGS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEAD 206 TARGET
LEAD 207
LEAD ISOTOPES
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUMERICAL DATA
PARITY
PARTICLE PROPERTIES
POLARIZED BEAMS
PROTON REACTIONS
RADIOISOTOPES
RESONANCE
SCATTERING
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
TARGETS