5. The decaying source method can be used to determine the dead time of a counting system based on the known behavior of

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5 The Decaying Source Method Can Be Used To Determine The Dead Time Of A Counting System Based On The Known Behavior Of 1 (168.04 KiB) Viewed 36 times

5. The decaying source method can be used to determine the dead time of a counting system based on the known behavior of the true count rate n, assuming negligible background: n z n,e-At Furthermore, the equation for the non-paralyzable detector model that describes the relationship between true rate n, recorded rate m and dead time t is m n = 1-mt | 101100 101000 y = -7.4633x + 101074 100900 100800 100700 met (s-2) 100600 100500 100400 0 20 40 60 80 Plot Area nie Figure 1. The plot of melt as a function of recorded rate m for a non-paralyzable system. (a) (6) Find the equation that justifies the choice of plot in Figure 1. To help you start answering this question, just plug n into the dead time equation. (Hint: the equation will be in a linear form i.e. y = mx + b) (b) (2) What is the true initial count rate no? (c) (2) What is the dead time t in us if the non-paralyzable model is assumed?