Oct 3 – 7, 2022
Science Culture Center, IBS
Asia/Seoul timezone

Magnetic resonance imaging (MRI) by β-ray tracking using scintillation-fiber detectors

Oct 4, 2022, 11:04 PM
S236 (Science Culture Center, IBS)


Science Culture Center, IBS

55 EXPO-ro, Yuseong-gu, Daejeon
Poster Session Poster Session


Ms Yoko Kimura (Dept. Phys. Osaka Univ.)


We are currently studying the nuclear physics and material science using β-NMR technique, that is to observe the nuclear magnetic resonance (NMR) by using the asymmetry of the β-ray angular distribution emitted from spin-polarized nuclei. In this research, we are developing a β-MRI technique that applies the β-NMR method to magnetic resonance imaging (MRI), which is already widely used in the medical and other fields. This new technique is expected to enable MRI using many nuclides, including carbon and oxygen, which have been unavailable by conventional MRI using nuclei. The β-MRI device to be developed will be capable of identifying the source of β-ray emission in three dimensions by tracking β-rays in two dimensions with a position detector manufactured using scintillation fibers and narrowing the z-axis size of the beam to irradiate the sample. In January 2022, we developed a position detector that counts β-rays using a MPPC (multi-pixel photon counter) with scintillation fibers aligned parallel to the beam axis and its orthogonal axis and tested its performance using a spin-polarized 12B beam at HIMAC in National Institutes for Quantum Science and Technology. As a result of the performance test, the position detectors were able to identify the trajectory of β-rays in two dimensions.

Primary author

Ms Yoko Kimura (Dept. Phys. Osaka Univ.)


Prof. Mototsugu Mihara (Dept. Phys. Osaka Univ.) Mr Takato Sugisaki (Dept. Phys. Osaka Univ.) Mr Gen Takayama (Dept. Phys. Osaka Univ.) Dr Masaomi Tanaka (RIKEN) Prof. Yutaka Mizoi (OECU) Ms Yurika Otani (Dept. Phys. Osaka Univ.) Prof. Mitsunori Fukuda (Dept. Phys. Osaka Univ.) Ms Miki Fukutome (Dept. Phys. Osaka Univ.) Mr Soshi Ishitani (Dept. Phys. Osaka Univ.) Mr Shitan Chen (Dept. Phys. Osaka Univ.) Ms Rina Miyahara (Dept. Phys. Osaka Univ.) Mr Kaoru Watanabe (Dept. Phys. Osaka Univ.) Mr Ryo Taguchi (Dept. Phys. Osaka Univ.) Prof. Takushi Izumikawa (IRP Niigata Univ. ) Prof. Daiki Nishimura (Tokyo City Univ.) Mr Norihide Noguchi (Dept. Fundamental Sciences Niigata Univ.) Prof. Takashi Ohtsubo (Dept. Fundamental Sciences Niigata Univ.) Ms Hibiki Seki (Saitama Univ.) Mr Kazuya Takatsu (Dept. Fundamental Sciences Niigata Univ.) Mr Asahi Yano (Univ. of Tsukuba) Prof. Kensaku Matsuta (Dept. Phys. Osaka Univ.) Prof. Atsushi Kitagawa (QST) Mr Shinji Sato (QST)

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