Non-thermal energy release in the post-impulsive phase of the May 9, 2021 eventMinghui Zhang, Nicole Vilmer, Karl-Ludwig Klein, Abdallah Hamini, David Paipa-Leon, Yin Zhang and Yihua YanA&A, 697 (2025) A216DOI: https://doi.org/10.1051/0004-6361/202453514