Peng Tang¹, Kohtaro Hatanaka¹, *Kazuyuki Kita¹, Yukihiko Satou², Takeshi Kinase³, Kouji Adachi³, Yuji Zaizen³, Kazuhiko Ninomiya⁴, SHINOHARA ATSUSHI⁴, Yasuhito Igarashi⁵ (1.Faculty of Science, Ibaraki University, 2.JAEA, 3.MRI, 4.Osaka University, 5.Institute for Integrated Radiation and Nuclear Science, Kyoto University)