Constraining Axion-Like Particles from observations of AGN B2 2234+28A and 3C 454.3

Yu-Chong Chen, Siyu Chen, Wei-Cong Huang +2

Axion-photon oscillation effect provides a possible explanation for the presence of very-high-energy (VHE) ${\hat{I}}^3$-ray signals from distant sources. In this work, we propose a model-d…