Entrance channel dependence of back angle yields: orbiting in /sup 24/Mg+/sup 16/O reaction
The back-angle yields of the oxygen and carbon particles from the /sup 24/Mg+/sup 16/O reaction have been measured at E/sub Lab/(/sup 24/Mg) = 79.5 MeV by using reverse kinematics. Comparison with data for the /sup 28/Si+/sup 12/C reaction forming the same compound nucleus at the same excitation energy and with very similar spin distribution, demonstrates a strong entrance channel effect which is favoring the break-up into the entrance channel with large excitation energy. This result qualitatively supports the picture of the formation of a long-lived orbiting complex whose structure and decay are dependent on the entrance channel. The compound nucleus contribution has been inferred to be less than 15% of the measured oxygen cross-section. 9 references.
- Research Organization:
- Washington Univ., Seattle (USA). Nuclear Physics Lab.
- DOE Contract Number:
- AC06-81ER40048
- OSTI ID:
- 6129486
- Report Number(s):
- DOE/ER/40048-120-L4; ON: DE85007847
- Country of Publication:
- United States
- Language:
- English
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Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ANGULAR DISTRIBUTION
BACKSCATTERING
CALCIUM 40
CALCIUM ISOTOPES
CARBON 12
CARBON 12 TARGET
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
CROSS SECTIONS
DATA
DISTRIBUTION
ENERGY
ENERGY RANGE
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
HEAVY ION REACTIONS
INELASTIC SCATTERING
INFORMATION
ISOTOPES
LIGHT NUCLEI
MAGNESIUM 24
MAGNESIUM 24 REACTIONS
MAGNESIUM ISOTOPES
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
OXYGEN 16
OXYGEN 16 TARGET
OXYGEN ISOTOPES
Q-VALUE
SCATTERING
SILICON 28
SILICON 28 REACTIONS
SILICON ISOTOPES
STABLE ISOTOPES
TARGETS