Record Details
Field | Value |
---|---|
Title | The decay of ⁶¹Cu and ⁵⁹Cu--energy levels of ⁶¹Ni and ⁵⁹Ni |
Names |
Walker, Donald Arthur
(creator) Easterday, Harry T. (advisor) |
Date Issued | 1968-05-08 (iso8601) |
Note | Graduation date: 1968 |
Abstract | The decay of ⁶¹Cu and ⁵⁹Cu produced by (d, n) reactions on natural nickel has been investigated. Gamma-ray energies and relative intensities were measured with a high resolution Ge(Li) spectrometer. The gamma-gamma coincidence spectrum of ⁶¹Cu was studied with a Ge(Li)-NaI(T1) system. From these data decay schemes of ⁶¹Cu and ⁵⁹Cu are constructed. Inferred log ft values together with the results of previous studies are used to make spin and parity assignments for the levels of ⁶¹Ni and ⁵⁹Ni. Some previously reported ambiguities in spin assignments have been removed. The results of this study are compared with recent theoretical shell-model calculations. An efficiency curve is also given for a 2 cm² x 6 mm Ge(Li) detector as well as curves for escape peak yield. The half life of ⁶¹Cu was measured as 3.32 ± 0.01 hours. |
Genre | Thesis/Dissertation |
Topic | Copper -- Isotopes -- Half-life |
Identifier | http://hdl.handle.net/1957/46979 |