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Reaction mechanism studies of heavy ion induced nuclear reactions. Annual progress report

Technical Report ·
OSTI ID:5512547
The research summarized in this report was performed during the period August 1, 1980 to June 30, 1981. The experimental emphasis in the heavy-ion-induced reaction studies continues to be discrete charge and mass resolution of all projectile-like fragments measured. In an experiment performed at the Argonne National Laboratory Superconducting LINAC, the /sup 37/Cl beam was used to bombard targets of /sup 40/Ca and /sup 209/Bi. This experiment is compared to results of our previous /sup 56/Fe-induced experiments. Attempts were made to extend the /sup 56/Fe reactions to lower energies at the Lawrence Berkeley Laboratory SuperHILAC. In a desire to improve the mass and charge resolution of previous experiments we tried a time-of-flight telescope employing both a channel-plate start and stop signal. This was backed by an ion chamber ..delta..E and silicon E detector. The operational difficulties encountered are being corrected and we hope to have a reliable system ready this fall. Studies of target fragmentation in /sup 4/He-induced reactions are continuing via experiments and model calculations. The program which began at the University of Maryland Cyclotron has been continued at the Indiana University Cyclotron with 120 and 200 MeV /sup 4/He incident on /sup 12/C and /sup 27/Al targets. While the Indiana data are currently being analyzed and no results are yet available, a summary of the Maryland work is given. Also presented in this section are the model calculations used to describe the data. 28 refs.
Research Organization:
Maryland Univ., College Park (USA). Dept. of Chemistry
DOE Contract Number:
AS05-76ER05172
OSTI ID:
5512547
Report Number(s):
DOE/ER/05172-0019; ORO-5172-0019; ON: DE85014729
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
ALPHA REACTIONS
ALUMINIUM 27 TARGET
ANGULAR DISTRIBUTION
BARYONS
BISMUTH 209 TARGET
CALCIUM 40 TARGET
CARBON 12 TARGET
CHARGE DISTRIBUTION
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CHLORINE 37 REACTIONS
DATA
DEUTERONS
DISTRIBUTION
ELEMENTARY PARTICLES
ENERGY SPECTRA
EXPERIMENTAL DATA
FERMIONS
FISSION FRAGMENTS
HADRONS
HEAVY ION ACCELERATORS
HEAVY ION REACTIONS
HILACS
HOLMIUM 165 TARGET
INFORMATION
IRON 56 REACTIONS
IRON 56 TARGET
LINEAR ACCELERATORS
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEONS
NUMERICAL DATA
PROTONS
RESEARCH PROGRAMS
SPECTRA
SUPERHILAC
TARGETS
TIME-OF-FLIGHT METHOD
TRITONS
URANIUM 238 TARGET