A fast coincidence system for the measurement of short lifetimes

Abstract

Details are given of a fast coincidence system comparable to that developed by Bell, Graham and Petch but employing the scheme of Neilson and James in which the time separation of associated events is converted to pulse amplitude and sorted on a conventional kicksorter. In this manner the whole coincidence resolution curve is obtained at one time while retaining an inherent time resolution of about 2 × 10^-10 s.