J. Cosmol. Astropart. Phys. J. Cosmol. Astropart. Phys. Photon absorption in a doubly special relativity model with undeformed free propagation and total momentum conservation Carmona J. M. Universidad de Zaragoza Cortés J. L. Rescic F. Reyes M. A. Universidad de Zaragoza Terzic T. 2025 research-article