Angular and Abundance Distribution of High-energy Gamma Rays and Neutrons Simulated by GEANT4 Code for Solar Flares
Tsukuba Space Center, JAXA, Tsukuba, 305-8505, Japan
2 ISEE, Nagoya University, Nagoya, 464-8601, Japan
3 Engineering Science Laboratory, Chubu University, Kasugai 487-0027, Japan
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Published online: 10 May 2019
In the solar flare observed on June 3, 2012, high energy gamma-rays and neutrons were observed. The event includes a remarkable feature of a high neutron/gamma-ratio in the secondary particles. We have examined whether this high n/γ-ratio can be explained by simulation. As a result of simulations using the GEANT4 program, the high n/γ-ratio may be reproduced for the case that helium and other heavy ions were dominantly accelerated in the flare.
© The Authors, published by EDP Sciences, 2019
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