A simulation to model position encoding multicrystal PET detectors
Journal Article
·
· IEEE Transactions on Nuclear Science
- TRIUMF, Vancouver, British Columbia (Canada)
The authors have developed a simulation to model position encoding multicrystal detectors for positron emission tomography. The simulation is designed to treat the interactions of energetic photons in a scintillator, the geometry of the multicrystal array, as well as the propagation and detection of individual scintillation photons. The simulation is tested with a model of the EXACT HR PLUS block detector manufactured by Siemens-CTI. Position and energy responses derived from the simulation are compared to measured ones. Line-spread-functions, for four columns of crystals, are reproduced with an accuracy of {+-} 0.5 mm. The crystal-by-crystal photopeak pulse heights and FWHM`s are also predicted within a range of {+-}14%, and {sub {minus}6}{sup +9}%, respectively.
- OSTI ID:
- 194787
- Journal Information:
- IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 6Pt2 Vol. 42; ISSN IETNAE; ISSN 0018-9499
- Country of Publication:
- United States
- Language:
- English
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