333 citations · 4.2k across the 122 of their papers we have counts for
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Bethe-Heitler emission in BL Lacs: filling the gap between X-rays and -rays
M. Petropoulou, A. Mastichiadis
We present the spectral signatures of the Bethe-Heitler pair production () process on the spectral energy distribution (SED) of blazars, in scenarios where the hard -ray emi…
Time-dependent modelling of PKS 2155-304 in a low state
Maria Petropoulou
We apply both leptonic and leptohadronic emission scenarios for modelling the multiwavelength photon spectra and the observed variability in the optical, X-ray, and TeV gamma-ray e…
Hadronic supercriticality as a trigger for GRB emission
Maria Petropoulou, Stavros Dimitrakoudis, Apostolos Mastichiadis +1
We explore a one-zone hadronic model that may be able to reproduce -ray burst (GRB) prompt emission with a minimum of free parameters. Assuming only that GRBs are efficient high…
The role of hadronic cascades in GRB models of efficient neutrino production
Maria Petropoulou
We investigate the effects of hadronic cascades on the gamma-ray burst (GRB) prompt emission spectra in scenarios of efficient neutrino production. By assuming a fiducial GRB spect…
Implications of a PeV neutrino spectral cutoff in GRB models
Maria Petropoulou, Dimitrios Giannios, Stavros Dimitrakoudis
The recent discovery of extragalactic PeV neutrinos opens a new window to the exploration of cosmic-ray accelerators. The observed PeV neutrino flux is close to the Waxman-Bahcall…