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Updated: Jun 21, 2026

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Published on: January 30, 2020
A position sensitive gamma-ray scintillator detector with enhanced spatial resolution, linearity, and field of view
César Domingo-Pardo1, Namita Goel, Tobias Engert
1Gamma-ray Spectroscopy Group, GSI Helmholtzzentrum für Schwerionenforschung mbH, 64291 Darmstadt, Germany.
Abstract:
The performance of a position sensitive gamma-ray scintillator detector (PSD) is described. This PSD is based on a lutetium yttrium oxyorthosilicate (LYSO) crystal read out by a crossed-wire anode position sensitive photomultiplier tube (PSPMT). The main difference with respect to similar existing devices is the individual multi-anode readout (IMAR) approach that is followed here. This method allows to exploit better the intrinsic characteristics of the PSPMT, thus yielding better linearity, improved spatial resolution, and a larger field of view. The new detector is intended for the characterization of 3-D position sensitive germanium detectors.
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