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http://hdl.handle.net/11375/30056
Title: | THE RELATIVE ABUNDANCES AND PILE NEUTRON CAPTURE CROSS SECTIONS OF THE ISOTOPES OF SAMARIUM, GADOLINIUM, DYSPROSIUM AND YTTERBIUM |
Authors: | WALKER, WILLIAM HERBERT |
Advisor: | Thode, H.G. |
Department: | Philosophy |
Publication Date: | May-1956 |
Abstract: | A double-focusing mass spectrometer has been used to determine the relative abundances of the isotopes of naturally- occurring platinum, samarium, gadolinium, dysprosium and ytterbium. The relative abundances of a portion of the four rare earth elements were also measured after bombardment in a high neutron flux for a period of six months. From a comparison of the results for the irradiated and unirradiated samples the neutron absorption cross sections of the individual isotopes have been calculated. |
URI: | http://hdl.handle.net/11375/30056 |
Appears in Collections: | Digitized Open Access Dissertations and Theses |
Files in This Item:
File | Description | Size | Format | |
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Walker_William_H_1956May_phd.pdf | 7.43 MB | Adobe PDF | View/Open |
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