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Scintillator Pixel Detectors for Measurement of Compton Scattering
- Source :
- Condensed Matter, Volume 4, Issue 1, Condensed Matter, Vol 4, Iss 1, p 24 (2019)
- Publication Year :
- 2019
-
Abstract
- The Compton scattering of gamma rays is commonly detected using two detector layers, the first for detection of the recoil electron and the second for the scattered gamma. We have assembled detector modules consisting of scintillation pixels, which are able to detect and reconstruct the Compton scattering of gammas with only one readout layer. This substantially reduces the number of electronic channels and opens the possibility to construct cost-efficient Compton scattering detectors for various applications such as medical imaging, environment monitoring, or fundamental research. A module consists of a 4 &times<br />4 matrix of lutetium fine silicate scintillators and is read out by a matching silicon photomultiplier array. Two modules have been tested with a 22 Na source in coincidence mode, and the performance in the detection of 511 keV gamma Compton scattering has been evaluated. The results show that Compton events can be clearly distinguished with a mean energy resolution of 12.2% &plusmn<br />0.7% in a module and a coincidence time resolution of 0 . 56 &plusmn<br />0 . 02 ns between the two modules.
- Subjects :
- positron emission tomography
Physics::Instrumentation and Detectors
Astrophysics::High Energy Astrophysical Phenomena
scintillation detector
Scintillator
01 natural sciences
Compton camera
Compton scattering
silicon photomultiplier
medical applications
Coincidence
030218 nuclear medicine & medical imaging
03 medical and health sciences
0302 clinical medicine
Silicon photomultiplier
Optics
0103 physical sciences
Physics
Scintillation
Pixel
010308 nuclear & particles physics
business.industry
Detector
Gamma ray
Condensed Matter Physics
lcsh:QC1-999
NATURAL SCIENCES. Physics
Electronic, Optical and Magnetic Materials
PRIRODNE ZNANOSTI. Fizika
Computer Science::Programming Languages
business
lcsh:Physics
Subjects
Details
- Language :
- English
- ISSN :
- 24103896
- Database :
- OpenAIRE
- Journal :
- Condensed Matter, Volume 4, Issue 1, Condensed Matter, Vol 4, Iss 1, p 24 (2019)
- Accession number :
- edsair.doi.dedup.....42101547093853255df196adabbd6ed3