6533b854fe1ef96bd12afc41
RESEARCH PRODUCT
Effects of scintillation light collection on the time resolution of a time-of-flight detector for annihilation quanta
Walter J. LorenzHermann OstertagE.w. OttenW.k. KueblerS.i. Zieglersubject
PhysicsNuclear and High Energy PhysicsScintillationAnnihilationTime of flight detectorPhysics::Instrumentation and Detectorsbusiness.industryDetectorMonte Carlo methodRadiusNuclear physicsFull width at half maximumOpticsNuclear Energy and EngineeringScintillation counterElectrical and Electronic Engineeringbusinessdescription
Monte Carlo methods were used to simulate the production and collection of scintillation light in a BaF/sub 2/ crystal. The calculated results were compared to measured values for detectors with different heights. Based on this simulation, a TOF (time-of-flight) detector consisting of two conical BaF/sub 2/ crystals (base radius 18 mm, top radius 15 mm, height 25 mm) was assembled. The total time resolution of this system was (210+or-5) ps FWHM (full width at half maximum) for 511-keV annihilation quanta and was found to be independent of the source position between the detectors. Since the time resolution of the TOF detector system consisting of two conical BaF/sub 2/ crystals is sufficiently constant in the volume of interest and does not change during operation, this detector meets the requirements for application in a clinical routine. >
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1990-04-01 | IEEE Transactions on Nuclear Science |