الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
his thesis consists of three parts: The first
includes a model of time resolution in scintillation dete- ctors; the second is an application of this model to Semi- conductor detectors and the last deals with prompt timing response using scintillation detectors and semi-conductor detectors.
Part I contains theoretical foundation of a model of the over-all resolution of a scintillator-multiplier system of non-fixed zero point of time-which succeeds in giving a good representation of an actual scintillation detector coincidence system. In this model of the system, the scin- tillation detector process is represented by two consecutive exponential decays whose lifetimes and T2 represent the rise time and the decay time of the single electron res- ponse function. The method of finding the F.V.H. is accom- plished by direct integration of the probability density function defining a normal distribution.
The time resolution is expressed in the form:
→
-35 {2(1-0) } # (-4)”
= 2.35
where
z =
T2,t) = 1-(n/N)
2’
-1
N the total number of
photoelectrons generated by one event in the scintillator.