npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041


Research Paper

New Phys.: Sae Mulli 2021; 71: 21-28

Published online January 29, 2021

Copyright © New Physics: Sae Mulli.

Development of an Alcohol-based Liquid Scintillator and its Application

Byoung Chan KIM1,2, Seon Yeoung PARK2, Ye Sung SONG2, Hee Jin WOO2, Kyung Kwang JOO2*, Ji Young CHOI2

1Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Hwasun 58128, Korea

2Institute for Universe \& Elementary Particles, Department of Physics Chonnam National University, Gwangju 61186, Korea


Received: August 18, 2020; Revised: December 11, 2020; Accepted: December 17, 2020


Liquid scintillators are widely used in various fields because they give a high light yield. In addition, the development of stable liquid scintillator for particle detectors and medical applications is very important. This paper proposes a new base material, a mixture of alcohol and water, for a liquid scintillator. The development of this alcohol-based liquid scintillator and the experimental result for various physical and optical properties are described. Until now, R\&D studies on such detectors or no market products of this type have been available. Thus, room exists for improvement. Therefore, various possibilities for detection solutions were studied by varying the mixing ratio of each component constituting the liquid scintillator. Finally, as an example of usage in medical physics, a range (=beam-path-length) measurement using an electron beam is briefly described. The measurement results obtained by changing the energy of the incident electron beam were compared with Monte Carlo simulation, Novalis-Tx and the phantom results.

Keywords: Liquid scintillator, Alcohol, Electron beam, Range, Monte Carlo, Novalis-Tx, Phantom, Medical physics

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