About MORI KAZUTERU
About 筑波大 物質工学系
About UEDONO AKIRA
About 筑波大 物質工学系
About TANIGAWA SHOICHIRO
About 筑波大 物質工学系
About NAKAI KATSUHIKO
About 新日本製鉄 先端技研
About Radioisotopes
About positron annihilation
About Radiation detection and detectors
About Positron annihilation
About 陽電子消滅
About γ線
About 拡がり
About 測定装置
About 製作