Nuclear physics research. Progress report, April 1, 1984-March 31, 1985
Reaction products arising from the interaction of /sup 11/B + /sup 12/C and /sup 10/B + /sup 13/C have been studied in the energy range 4 < E/sub lab/(B) < 9 MeV/nucleon. From the total fusion cross sections for the two entrance channels, the critical angular momenta have been extracted and then compared as a function of compound nucleus excitation energy. Even though a limitation in the fusion cross section was observed, no common limitation was found in the critical angular momenta for these two systems up to at least a /sup 23/Na excitation energy of 60 MeV. Above this excitation energy, the experimental uncertainties make this point less clear. Up to an excitation energy of 60 MeV in /sup 23/Na, a fusion limitation based on reaching a critical density of compound nucleus states like the yrast or statistical yrast line can not be responsible for the fusion cross section limitations observed for these entrance channels. The present data suggests that competing entrance channel processes are responsible for the observed fusion cross section limitations.
- Research Organization:
- Tennessee Technological Univ., Cookeville (USA). Dept. of Physics
- DOE Contract Number:
- AS05-80ER10714
- OSTI ID:
- 5995192
- Report Number(s):
- DOE/ER/10714-4; ON: DE85006393
- Country of Publication:
- United States
- Language:
- English
Similar Records
Nuclear physics research. Progress report, April 1, 1983-March 31, 1984
Fusion cross sections for four heavy-ion entrance channels leading to the /sup 23/Na compound nucleus
Related Subjects
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
BORON 10 REACTIONS
BORON 11 REACTIONS
CARBON 12 TARGET
CARBON 13 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELASTIC SCATTERING
ENERGY RANGE
FUSION REACTIONS
HEAVY ION REACTIONS
INFORMATION
ISOTOPES
LIGHT NUCLEI
MEV RANGE
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
SCATTERING
SODIUM ISOTOPES
SPECTRA
STABLE ISOTOPES
TARGETS
YIELDS