[15a-PA4-1~20] 2 Ionizing Radiation (Poster)

[15a-PA4-16] Development of a TOFPET2 ASIC-Based Positron-Emitting Tracer Imaging System

〇(B)Tomoyuki Ishiwatari¹, Yuto Nagao², Takuya Yabe², Michiko Tsuda², Tomihiro Kamiya², Mitsutaka Yamaguchi^1,2, Naoki Kawachi^1,2,3 (1.Gunma Univ, 2.QST Takasaki, 3.F-REI)

Keywords:

positron imaging,PETIS(Positron-Emitting Tracer Imaging System),plant RI imaging

This study aimed to realize a compact PETIS system capable of flexible measurements according to plant morphology by constructing a highly integrated, multi-channel detection system centered on the TOFPET2 ASIC, achieving both high spatial resolution and high count-rate performance. As a preliminary study, detector modules, which constitute the smallest units of the system, were fabricated. Energy calibration and simultaneous detection of annihilation γ-rays were performed, and image reconstruction based on Lines of Response (LOR) was conducted to verify the basic performance of the system.