EPJ

Testing extended theories of gravity via black hole photon rings

Qiao Yue, Zhaoyi Xu and Meirong Tang

Eur. Phys. J. C, 85 8 (2025) 906

Published online: 26 August 2025

DOI: 10.1140/epjc/s10052-025-14655-3

Qiao Yue

Zhaoyi Xu

Meirong Tang

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