SEARCH FOR SPIN-ZERO STATES IN EVEN-EVEN NUCLEI. Final Report, November 1, 1959-October 31, 1962
Technical Report
·
OSTI ID:4759961
Inelastic neutron scattering near threshold, used to determine selectively 0/sup +/ excited states, is useful to distinguish between nuclear models currently used to describe the properties of even-even nuclei. During the course of the work it was found that not only inelastic, but also elastic neutron scattering might serve to determine spins of inelastically excited states. The reason for this is that the possibility of inelastic excitation affects the wave function for the elastic scattering process. The effect on the elastic scattering cross section can have under certain conditions, the shape of a cusp, and is called Wigner cusp.'' A theoretical analysis of the Wigner cusp phenomenon showed that, in principle, Wigner cusps can also determine the reaction mechanism, that is whether it proceeds via compound nucleus formation or direct interaction or partially via both. (auth)
- Research Organization:
- Stanford Univ., Calif.
- NSA Number:
- NSA-17-007075
- OSTI ID:
- 4759961
- Report Number(s):
- AROD-2577:2; AD-290359
- Country of Publication:
- United States
- Language:
- English
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