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A Position Sensitive \gamma -Ray Scintillator Detector With Enhanced Spatial Resolution, Linearity, and Field of View

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7 Author(s)
Domingo-Pardo, C. ; Gamma-ray Spectrosc. Group, GSI Helmholtzzentrum fur Schwerionenforschung mbH, Darmstadt, Germany ; Goel, N. ; Engert, T. ; Gerl, J.
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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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Medical Imaging, IEEE Transactions on  (Volume:28 ,  Issue: 12 )