A comparison of radiative capture with decay gamma-ray method in bore hole logging for economic minerals
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Abstract
The recent availability of borehole logging sondes employing a source of neutrons and a Ge(Li) detector opens up the possibility of analyzing either decay or capture gamma rays. The most efficient method for a given element can be predicted by calculating the decay-to-capture count ratio for the most prominent peaks in the respective spectra. From a practical point of view such a calculation must be slanted toward short irradiation and count times at each station in a borehole. A simplified method of computation is shown, and the decay-to-capture count ratio has been calculated and tabulated for the optimum value in the decay mode irrespective of the irradiation time, and also for a ten minute irradiation time. Based on analysis of a single peak in each spectrum, the results indicate the preferred technique and the best decay or capture peak to observe for those elements of economic interest.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A comparison of radiative capture with decay gamma-ray method in bore hole logging for economic minerals |
| Series title | Nuclear Instruments and Methods |
| DOI | 10.1016/0029-554X(72)90601-5 |
| Volume | 104 |
| Issue | 3 |
| Year Published | 1972 |
| Language | English |
| Publisher | Elsevier |
| Description | 8 p. |
| First page | 485 |
| Last page | 492 |
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