Measurements and analysis of the /sup 208/Pb(/sup 12/C, /sup 13/C), (/sup 12/C, /sup 11/B), and (/sup 12/C, /sup 14/C) reactions. [97. 9 MeV; full-recoil, DWBA analysis of differential cross sections]

Journal Article · Fri Oct 01 04:00:00 EDT 1976 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.14.1471· OSTI ID:7147263

Toth, K S; Satchler, G R; Gross, E E; Hensley, D C; Thornton, S T; Schweizer, T C

A /sup 208/Pb target was bombarded with 97.9-MeV /sup 12/C ions accelerated in the Oak Ridge isochronous cyclotron, and the reaction products were detected with a 60-cm long position-sensitive proportional counter placed at the focal plane of an Elbek spectrograph. Differential cross sections were measured for the /sup 208/Pb(/sup 12/C, /sup 11/B), /sup 208/Pb(/sup 12/C, /sup 13/C), and /sup 208/Pb(/sup 12/C, /sup 14/C) reactions. The single-nucleon transfer data, together with previous measurements taken for the same two reactions at 77.4 and 116.4 MeV, were analyzed using exact finite-range, full-recoil, distorted-wave Born-approximation calculations. Elastic scattering for /sup 11/B + /sup 209/Bi at 74.6 MeV and /sup 13/C + /sup 207/Pb at 86.1 MeV was also measured, and optical potential fits were obtained to provide potentials for use in the distorted-wave Born-approximation calculations. Both Woods--Saxon and folded potentials were used in fitting the elastic data. The importance of the various interaction terms in the distorted-wave Born approximation was studied. Good agreement was found between theory and experiment for the (/sup 12/C, /sup 13/C) reactions, and the spectroscopic factors deduced were satisfactory. The data for the (/sup 12/C, /sup 11/B) reactions, although also yielding satisfactory spectroscopic factors, tend to peak at smaller angles than the predicted curves. This discrepancy increases as the Q value becomes more negative or the bombarding energy is reduced, that is, as the mismatch increases between the grazing angular momenta in the entrance and exit channels. (AIP)

• Research Organization: Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830
• OSTI ID: 7147263
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 14:4; ISSN PRVCA
• Country of Publication: United States
• Language: English

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651925* -- Nuclear Properties & Reactions
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BISMUTH 209
BISMUTH 209 TARGET
BISMUTH ISOTOPES
BORN APPROXIMATION
BORON 11
BORON 11 REACTIONS
BORON ISOTOPES
CARBON 12 REACTIONS
CARBON 13
CARBON 13 REACTIONS
CARBON 14
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
DWBA
ELASTIC SCATTERING
ENERGY RANGE
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FINITE-RANGE INTERACTIONS
HEAVY ION REACTIONS
HEAVY NUCLEI
INTERACTIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEAD 206
LEAD 207
LEAD 207 TARGET
LEAD 208 TARGET
LEAD ISOTOPES
LIGHT NUCLEI
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 10-100
MULTI-NUCLEON TRANSFER REACTIONS
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
ONE-NUCLEON TRANSFER REACTIONS
PICKUP REACTIONS
PROPORTIONAL COUNTERS
RADIATION DETECTORS
RADIOISOTOPES
RECOILS
SCATTERING
SECONDS LIVING RADIOISOTOPES
SPECTROSCOPIC FACTORS
SPECTROSCOPIC FACTORS CARBON 13
STABLE ISOTOPES
STRIPPING
TARGETS
TRANSFER REACTIONS
YEARS LIVING RADIOISOTOPES