npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Research Paper

New Physics: Sae Mulli 2016; 66: 1415-1419

Published online November 30, 2016 https://doi.org/10.3938/NPSM.66.1415

Copyright © New Physics: Sae Mulli.

Development of a Radiation Detector Using a PET Bottle

Jin JEGAL, Minjeong KIM, Jeongmin PARK, Jooyoung LEE, Hongjoo KIM*

Department of Physics, Kyungpook National University, Daegu 41566, Korea

Correspondence to:hongjooknu@gmail.com

Received: June 30, 2016; Revised: August 30, 2016; Accepted: September 12, 2016

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Plastic scintillators can be easily fabricated at a low cost and applied to nuclear and high-energy physics. In this study, we fabricated 2 $\times$ 2 $\times$ 0.1 cm$^3$ and 2 $\times$ 2 $\times$ 1.2 cm$^3$ samples from a polyethylene terephthalate (PET) bottle and checked the possibility of using them as plastic scintillators. We obtained an emission peak similar to that of BC-400, a commercially-available plastic scintillator. We used $^{207}$Bi ($\gamma$–rays), $^{90}$Sr ($\beta$-ray) and $^{241}$Am ($\alpha$-particle) radioactive sources for excitation of the samples. The portable radiation detector based on a recyclable plastic scintillator was tested by using a homemade counterboard. From the obtained results, such as the emission spectrum and the pulse height spectra, we expect this plastic scintillator to be used on a portable detector for different excitation sources.

Keywords: PET, Plastic, Scintillator, Luminescence properties, Energy spectrum, Counter board

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