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The huge amount of optical photons emitted in burst by Cerium doped Lanthanum bromide scintillators poses a severe constraint on the specifications of photomultipliers, namely they must operate at very large instantaneous current values with minimum saturation of output pulse signals. Acquisition in shape and processing of photomultipliers output pulses by means of high-speed free-running analog to...
The position sensitivity of two large volume (1?? ?? 1?? and 3?? ?? 3??) LaBr3:Ce crystals has been measured using collimated beams of 662 keV ??-rays. The crystals have been coupled to a Position Sensitive Photo Multiplier Tube (PSPMT) and/or shielded phototube. The results indicate that, in the case of 662 keV ?? -rays, both crystals should allow identification of the the position of the ??-ray...
We present two noticeable extensions to the applications of the DPLMS (digital penalized least mean squares) method for optimum energy filter synthesis that we introduced a few years ago. By using the DPLMS method, high performance digital filters with time constraints, e.g. flat-top, finite duration and also frequency constraint can be derived from easily acquired experimental signals. Now, we want...
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