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NEMA count-rate evaluation of the first and second generation of the Ecat Exact and Ecat Exact HR family of scanners

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Wienhard,  Klaus
Wolf-Dieter Heiss, Emeriti, Max Planck Institute for Metabolism Research, Managing Director: Jens Brüning, Max Planck Society;

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Knoess,  Christof
Klinisches PET, Neurologische Abteilung, Max-Planck-Institut für neurologische Forschung, Managing Director: D. Yves von Cramon, Max Planck Institute for Metabolism Research, Managing Director: Jens Brüning, Max Planck Society;

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Vollmar,  Stefan
IT and Electronics Dev., Scientific Services and Development, Max Planck Institute for Metabolism Research, Managing Director: Jens Brüning, Max Planck Society;

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Heiss,  Wolf-Dieter
Wolf-Dieter Heiss, Emeriti, Max Planck Institute for Metabolism Research, Managing Director: Jens Brüning, Max Planck Society;

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Citation

Eriksson, L., Wienhard, K., Eriksson, M., Casey, M. E., Knoess, C., Bruckbauer, T., et al. (2002). NEMA count-rate evaluation of the first and second generation of the Ecat Exact and Ecat Exact HR family of scanners. IEEE Transactions on Nuclear Science, 49(3), 640-643.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0026-D743-8
Abstract
Copyright 2002 by The Institute of Electrical and Electronics Engineers, Inc.
The first and second generation of the Exact and Exact HR family of scanners has been evaluated in terms of noise equivalent count rate (NEC) and count-rate capabilities. The new National Electrical Manufacturers Association standard was used for the evaluation. In spite of improved electronics and improved count-rate capabilities, the peak NEC was found to be fairly constant between the generations. The results are discussed in terms of the different electronic solutions for the two generations and its implications on system dead time and NEC count-rate capability.