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Monte Carlo energy spectrum matching method for SiPM-based EJ254 plastic scintillator detector calibration by JunYu Li; Peng Fan; ChengLin Zhu; MengMeng Wang; ZhiYong Wei; Yan Xia is a Physics and Astronomy article available to read on EtoBox.

What is Monte Carlo energy spectrum matching method for SiPM-based EJ254 plastic scintillator detector calibration about?

Accurate energy measurement is the precondition for the application of plastic scintillator-based spectrometers in space exploration missions, and appropriate energy calibration methods are very important for plastic scintillators. At the same time, the energy resolution is a key factor in evaluating the performance of spectrometers. In this paper, an energy calibration method that can be used for plastic scintillators is proposed, and the energy resolution calibration results were also obtained in the process. The key of the method is to focus on the accurate energy prediction of the reference points in the Compton Continuum by using the Monte Carlo energy spectrum matching method. In the calibration process, the experimental measurements and Monte Carlo simulations of 22Na and 137Cs were carried out, and the shapes of the obtained spectra were matched by a certain energy resolution model. By shape matching, the Monte Carlo simulations provided energies of reference points, and the experiments provided their corresponding channel numbers. Then the parameters of the energy calibration model were obtained by fitting with multiple reference points’ paired data. Moreover, the backscat

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Author

JunYu Li; Peng Fan; ChengLin Zhu; MengMeng Wang; ZhiYong Wei; Yan Xia

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Physics and Astronomy (Physical Sciences)