Caught by its own light: Wimpzillas, the LHAASO knee and the diffuse $\gamma$-ray sky

D. Akl, A. J. Iovino, D. Kantzas +1

We use the proton spectrum resolved by LHAASO across the knee to test superheavy dark matter in the nucleon channel at PeV energies. Both the hardening at $0.34$ PeV and the knee a…