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Feasibility study of an avalanche photodiode readout for a high resolution PET with nsec time resolution

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6 Author(s)
Schmelz, C. ; Nuklearmedizinische Klinik, Tech. Univ. Munchen, Germany ; Bradbury, S.M. ; Holl, I. ; Lorenz, E.
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A feasibility study for a high resolution positron emission tomograph, based on 9.5×4×4 mm3 LSO crystals viewed by 3 mm diameter avalanche photodiodes, has been carried out. Using a Na22 source we determined a spatial resolution of 2.3±0.1 mm, an energy resolution around 15 % and a time resolution of 2.6 nsec. Possible configurations for larger scale tests and a tomograph are given

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Nuclear Science, IEEE Transactions on  (Volume:42 ,  Issue: 4 )