astro-ph.HE astro-ph.GA hep-ph hep-th
Evidence for the Sombrero Galaxy as an Accelerator of the Highest-Energy Cosmic Rays
Hao-Ning He Eiji Kido Kai-Kai Duan Yang Yang Ryo Higuchi Yi-Zhong Fan Tao Wang Lu-Yao Jiang Rong-Lan Li Ben-Yang Zhu Xiang Li Zi-Qing Xia Shigehiro Nagataki Da-Ming Wei Alexander Kusenko