Author

J. Biteau

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Preprint Aug 2026

CtaAgnVar : a Pipeline for Variability Studies with the Cherenkov Telescope Array Observatory

Blazars are active galactic nuclei whose relativistic jet points toward the observer, accelerating particles that radiate across the electromagnetic spectrum. Characterizing their flux and spectral variability constrains the physics of the central black hole and its jet, making blazars a key science case for the Cheren...

G. Grolleron, J. Lenain, J. Biteau et al. · 0 citations

Preprint Aug 2026

Search for active-sterile neutrino transitions using Pierre Auger Observatory data

We investigate the sensitivity of the Pierre Auger Observatory to physics beyond the Standard Model arising from magnetic-moment-induced transitions between active and heavy sterile neutrinos. Such dipole portal interactions can enhance neutrino-nucleon cross sections above a kinematic threshold set by the sterile neut...

T. P. A. A. Halim, P. Abreu, M. Aglietta et al. · 0 citations