Institution: | (1) Department of Physics, Osaka University, Toyonaka Osaka, 560-0043, Japan;(2) TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, Canada;(3) Department of Physics, Saitama University, Saitama 338-8570, Japan;(4) Present address: RIKEN, 2-1 Hirosawa, Wako Saitama, 351-0198, Japan;(5) Heaven Ion Nuclear Physics Lab., RIKEN, Hirosawa 2-1, Wako Saitama, 351-0198, Japan |