The galaxy group merger origin of the Cloverleaf odd radio circle system E. Bulbul, X. Zhang, M. Kluge, M. Brüggen, B. Koribalski, A. Liu, E. Artis, Y. E. Bahar, F. Balzer, C. Garrel et al. (7 more) A&A, 685 (2024) L2 Published online: 30 April 2024 DOI: 10.1051/0004-6361/202449900