[1P14]Development of Rare-Gas Matrix-Isolation apparatus for -ray measurement of 229mTh
*Ryoutarou MASUDA1,2, Yuki Yasuda1, Kei Sawamura1, Yudai Shigekawa2, Yuki Miyamoto3, Koji Yoshimura3, Atsushi Shinohara4, Yoshitaka Kasamatsu1,2(1. Osaka Univ, 2. RIKEN, 3. Okayama Univ, 4. Osaka Aoyama Univ)
