Publication: Gamma/Hadron Separation for a Ground Based IACT in Experiment TAIGA Using Random Forest Machine Learning Methods
Дата
2022
Авторы
Vasyutina, M.
Sveshnikova, L.
Bezyazeekov, P. A.
Blank, M.
Astapov, I. I.
Kindin, V. V.
Kokoulin, R. P.
Kompaniets, K. G.
Petrukhin, A. A.
Yashin, I. I.
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© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).In this paper we present the first attempt of adaptation the Random Forest (RF) machine learning algorithm to gamma/hadron separation in the TAIGA experiment (Tunka Advanced Instrument for cosmic ray physics and Gamma-ray Astronomy). The TAIGA experiment will include HiSCORE array with 120 wide-angle Cherenkov detectors on the area of 1 km2 and 5 Imaging Atmospheric Cherenkov Telescopes (IACT) on the same area. At the first stage of the analysis, only images obtained by one IACT were included in consideration. The training process occurs on samples of parameterized images obtained from Monte Carlo (MC) data for gammas and hadrons with a ‘Scaled Hillas Parameters’ standard technique. It was shown that the program effectively separates gamma-like showers, RF method does produce stable results and is robust with respect to input parameters and provides a simple control and setup of the procedure for extracting showers from gamma rays.
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Gamma/Hadron Separation for a Ground Based IACT in Experiment TAIGA Using Random Forest Machine Learning Methods / Vasyutina, M. [et al.] // Proceedings of Science. - 2022. - 410. - 10.22323/1.410.0008