Non-parametric reconstruction of the fine structure constant with galaxy clusters Marcelo Ferreira, Rodrigo F. L. Holanda, Javier E. Gonzalez, L. R. Colaço and Rafael C. Nunes Eur. Phys. J. C, 84 10 (2024) 1120 Published online: 28 October 2024 DOI: 10.1140/epjc/s10052-024-13468-0