Some developments in the Cox-Isham theory of coincidence corrections, including the extension to the computer-discrimination method
✍ Scribed by David Smith
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 635 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0883-2889
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✦ Synopsis
Exact and high-order approximate formulae to correct P-y coincidence-counting data were derived by Smith based on the theory of Cox and Isham, and in this paper the approximation is generalised to allow unequal resolving times, and also exact explicit formulae are given for the cases of equal dead times and for one dead time being twice the other. The approach is further developed to cover the case of computer discrimination in either a single channel or simultaneously in both p and y channels. The single p-channel case requires the accumulation of @ spectra in coincidence and anticoincidence with y pulses. Simultaneous discrimination requires accumulation of such spectra as a function of both p and y energy.