[23a-F307-1~9] 2.2 Radiation physics fundamentals & applications, radiation generators, new technology

[23a-F307-1] Study on a Multi-photon gamma-ray coincidence imaging method 1 (Summary)

〇Hiroyuki Takahashi¹, Kenji Shimazoe¹, Kei Kamada², Hiromitsu Haba³, Toshimitsu Momose⁴ (1.Univ. of Tokyo, 2.Tohoku Univ., 3.RIKEN, 4.Int. Univ. Health Welfare)

Keywords:gamma ray, coincidence measurement, imaging

The multi-photon gamma-ray coincidence imaging method utilizes nuclides which emit two or more gamma-ray in series. This technique takes advantage of a coincidence method and can greatly reduce the background count rate. We introduce the current status of this technology in this presentation.