Affiliation: | (1) Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia;(2) NASA Marshall Space Flight Center, Huntsville, AL, USA;(3) University of Maryland, College Park, MD, USA;(4) Purple Mountain Observatory, Nanjing, P.R. China;(5) Southern University, Baton Rouge, LA, USA;(6) Louisiana State University, Baton Rouge, LA, USA |