Testing f(R) gravity models with quasar X-ray and UV fluxes

Leizerovich, M.; Kraiselburd, L.; Landau, S. J.; Scóccola, C. G.

Physical Review D 105, 103526, 2022

Constraints on f(R) modified gravity models using quasar X-ray and UV fluxes, comparing theoretical predictions with multiwavelength AGN observations.