Next Article in Journal
Engineering Topological Nodal Line Semimetals in Rashba Spin-Orbit Coupled Atomic Chains
Next Article in Special Issue
The Potential of [email protected]_LAB for Radiation Based Techniques
Previous Article in Journal
Temperature Effects on the HOPG Intercalation Process
Previous Article in Special Issue
Graphite Optics—Current Opportunities, Properties and Limits
Article Menu

Export Article

Open AccessArticle
Condens. Matter 2019, 4(1), 24; https://doi.org/10.3390/condmat4010024

Scintillator Pixel Detectors for Measurement of Compton Scattering

Department of Physics, Faculty of Science, University of Zagreb, Bijenička c. 32, 10000 Zagreb, Croatia
*
Author to whom correspondence should be addressed.
Current address: Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia.
Received: 31 January 2019 / Revised: 12 February 2019 / Accepted: 13 February 2019 / Published: 15 February 2019
(This article belongs to the Special Issue High Precision X-Ray Measurements)
Full-Text   |   PDF [2219 KB, uploaded 28 February 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 × 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% ± 0.7% in a module and a coincidence time resolution of 0.56 ± 0.02 ns between the two modules. View Full-Text
Keywords: Compton camera; positron emission tomography; Compton scattering; scintillation detector; silicon photomultiplier; medical applications Compton camera; positron emission tomography; Compton scattering; scintillation detector; silicon photomultiplier; medical applications
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Makek, M.; Bosnar, D.; Pavelić, L. Scintillator Pixel Detectors for Measurement of Compton Scattering. Condens. Matter 2019, 4, 24.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Condens. Matter EISSN 2410-3896 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top