Yannick Schmidt
(Theoretical Physics IV, Plasma Astroparticle Physics, Faculty of Physics and As- tronomy, Ruhr-University Bochum, 44780 Bochum, Germany | Ruhr Astroparticle and Plasma Physics Center (RAPP Center), Germany)
In order to come closer to understanding extragalactic sources of cosmic rays and their intrinsic mechanisms, the analysis of various multi-messenger signals has proven to be extremely promising in recent decades. Typically, numerical simulations are undertaken to investigate the validity of various astrophysical scenarios. Predictions considering photonuclear interactions depend significantly on the modeling of extragalactic photon fields. Therefore, in the present work an updated model of the extragalactic background light was implemented in the open-source code CRPropa 3.2 to investigate its effects on $\gamma$-ray signals from blazar 3C279. In particular, the new model showed a higher prediction of produced photons by inverse Compton scattering when simulating electromagnetic cascades, while the opacity of the universe for gamma radiation was lower than in previous models.
Yannick Schmidt
(Theoretical Physics IV, Plasma Astroparticle Physics, Faculty of Physics and As- tronomy, Ruhr-University Bochum, 44780 Bochum, Germany | Ruhr Astroparticle and Plasma Physics Center (RAPP Center), Germany)
Prof.
Julia Becker Tjus
(Theoretical Physics IV, Plasma Astroparticle Physics, Faculty of Physics and As- tronomy, Ruhr-University Bochum, 44780 Bochum, Germany | Ruhr Astroparticle and Plasma Physics Center (RAPP Center), Germany | Department of Space, Earth and Environment, Chalmers University of Technology, 412 96 Gothenburg, Sweden)
Dr
Lukas Merten
(Theoretical Physics IV, Plasma Astroparticle Physics, Faculty of Physics and As- tronomy, Ruhr-University Bochum, 44780 Bochum, Germany | Ruhr Astroparticle and Plasma Physics Center (RAPP Center), Germany)
