Digital Pulse Height Recording for a Large Multiple Scintillation Detector Array Using an Analog Buffer Memory

This paper describes one of two methods employed to record the events from the large multiple scintillation detector array described in the preceeding paper. The detector itself and the other recording scheme are reported at this Symposium in two papers by M. F. Crouch, et. al. These should be referred to for a more complete understanding of the overall system. Some of the data and its significance are discussed in reference 1. The principle of the system is to store pulses, which occur simultaneously in up to 144 phototubes, in analog form as charges on individual capacitors. Subsequent to the actual detection of the event, the charges on the capacitors are measured and their values digitized in sequence. The resulting numbers which represent the original pulse heights are stored in serial fashion in the memory of a pulse height analyzer. The analyzer is then printed out and the system made ready for a new event.