Abstract

Our work concerning digital pulse shape analysis consisted of two steps. A setup of two customary HP-germanium detectors was used to collect samples of pulses with different energies and well defined specifications. Those libraries were the basis for the development of a new approach to distinguish between pointlike and multiple scattered events. The new method was tested first in the low—level laboratory in Heidelberg. Than it was applied to one detector of the HEIDELBERG—MOSCOW ββ experiment. It was found that by identifying the multiple scattered events the background in the 0 vββ region can be reduced by a factor of five.

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