ABSOLUTECOUNTINGUSINGTHEZERO PROBABILITY ANALYSIS
G. I. Coats · 1966
A methodhasbeendevelopedtoautomatically correctforthedeadtimelossesina4TiP and47r1-ycoincidence calibration facility. tervalwheretheaverageism, accordingto thePoissondistribution, is P = (mn/n!)e . n (1) Sinceradioactive disintegrations occurat randomina mannerdescribed by thePoisson distribution, theprobability ofobserving exactlyOcountsinan intervalinwhich theaveragenumberofcountsis vT',is: P = e-vT 0