Galactic Center Gamma Ray Excess through a Dark Shower. Event Date: 2015-06-11 admin Particle/String/Cosmology Speaker: Dr. Yuhsin Tsai (Department of Physics, UC Davis) / Host: Prof. Kingman Cheung (NTHU) Place: Lecture Room A, 4F, 3rd General Building, Nat'l Tsing Hua Univ.