Non-thermal energy release in the post-impulsive phase of the May 9, 2021 event Minghui Zhang, Nicole Vilmer, Karl-Ludwig Klein, Abdallah Hamini, David Paipa-Leon, Yin Zhang and Yihua Yan A&A, 697 (2025) A216 Published online: 28 May 2025 DOI: 10.1051/0004-6361/202453514