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Journal of Radioanalytical and Nuclear Chemistry

, Volume 278, Issue 3, pp 767–771 | Cite as

Measurement of coincidence timing resolution of scintillation detectors compared to semiconductor detectors to image three-photon positron annihilation

  • E. AbuelhiaEmail author
  • K. Alzimami
  • M. Alkhorayef
  • Z. Podolyák
  • N. M. Spyrou
Instrumentation

Abstract

The coincidence timing resolution is a critical parameter for triple coincidence to measure the three photon positron annihilation yield. The yield is inversely proportional to the concentration of oxygen which acts as a quenching agent within the tissue and, therefore, provides important information about the state of the cancerous tumor. A comparison between scintillation and semiconductor detectors with respect to their timing properties for triple coincidence measurements and imaging was carried out. The coincidence timing resolution for example for HPGe detectors was found to vary between 35.4±0.02 and 42.8±0.02 ns. A comparison of all detector characteristics with respect to HPGe is presented.

Keywords

Positron Emission Tomography Energy Resolution Scintillation Detector HPGe Detector Semiconductor Detector 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC. 2008

Authors and Affiliations

  • E. Abuelhia
    • 1
    Email author
  • K. Alzimami
    • 1
  • M. Alkhorayef
    • 1
  • Z. Podolyák
    • 1
  • N. M. Spyrou
    • 1
  1. 1.Department of PhysicsUniversity of SurreyGuildfordUK

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