RESEARCH IN NUCLEAR PHYSICS. Progress Report No. 8 [electronic resource].
- West Lafayette, Ind. : Purdue Research Foundation, 1958.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
- Physical Description:
- Pages: 64 : digital, PDF file
- Additional Creators:
- Purdue Research Foundation
United States. Department of Energy. Office of Scientific and Technical Information
- A second set of quadrupole magnets was installed in the cyclotron close to the vacuum chamber in order to increase the beam intensity. The pole pieces of the 20in. analyzing magnet were trimmed. Scattering of 19Mev alpha particles by C/sup 12/, 0/sup 16/, and S/sup 32/ was investigated at various angles. Beta- gamma directional correlations of allowed as well as forbidden beta transitions in the decay of Na/sup 24/, Co/sup 60/, and Sc/sup 46/ were investigated. Results of an experimental investigation of the beta-gamma directional correlation and the spectral shape of the first-forbidden spectra of K/sup 42/ and Au/sup 198/ are presented. Polarization-directional correlation measurements were performed on the Ar/sup 38/ cascade gamma rays following Cl/sup 38/ decay in order to determine the parities of the levels and to remove some of the ambiguity of the directional correlation spin assignments. Nonconservation of parity in beta decay, circular polarization of gamma rays following beta decay, and polarization of conversion electrons following beta decay are considered. The transverse polarization of beta particles in the first-forbidden beta decay of Au/ sup 198/ was measured. A 4 pi beta spectrometer for the study of beta and gamma radiations associated with the decay of short-lived radio-nuclides has been constructed. The study of the 119-kev transition in the decay of the 4.9 hr In/ sup 110m/ has been continued. (For preceding period see AECU-3515.) (W.D.M.)
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