Jiaqing Yan

Discrimination on the Origin of 30 PeV Gamma-ray Photons

At the end of July and early August 2026, the Large HighAltitude Airshower Observatory (LHAASO) announced the detection of ultrahighenergy gammaray photons up to 30 PeV from the binary system Cygnus X3, together with periodic variability of this highenergy emission. This marks th...