Modularized NaI(Tl) detectors in a half barrel configuration

Masaaki Kobayashi, Shin'ichi Kurokawa, Minoru Takasaki, Takeo Fujitani, Hiroyuki Kusumoto, Tsunehiko Omori, Shojiro Sugimoto, Masahiko Ueda, Yoshitake Yamaguchi, Jun'ichiro Iwahori, Hajime Yoshida, Fujio Takeutchi, Masami Chiba