Research in Nuclear Physics. Progress Report No. 8

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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/ ... continued below

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Pages: 64

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Creator: Unknown. June 15, 1958.

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Description

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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Pages: 64

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  • Other Information: Orig. Receipt Date: 31-DEC-58

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  • Report No.: AECU-3696
  • Grant Number: AT(11-1)-122
  • DOI: 10.2172/4335250 | External Link
  • Office of Scientific & Technical Information Report Number: 4335250
  • Archival Resource Key: ark:/67531/metadc1019757

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  • June 15, 1958

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  • Oct. 15, 2017, 10:09 p.m.

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  • Jan. 10, 2018, 3:13 p.m.

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Research in Nuclear Physics. Progress Report No. 8, report, June 15, 1958; Lafayette, Indiana. (digital.library.unt.edu/ark:/67531/metadc1019757/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.