Research field (4):
Information networks
, Electronic devices and equipment
, Semiconductors, optical and atomic physics
, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Research theme for competitive and other funds (15):
2021 - 2024 Determination of scattering parameters in positronium-helium collisions
2015 - 2018 Application of spin conversion reactions of positronium for analyzing the atomic scatterings
2011 - 2014 Precision measurement of Hyperfine Splitting of Positronium using the Zeeman transition
2011 - 2012 Development of a new local-magnetic-field measurement systemutilizing positronium as the probe
2009 - 2010 Optimization of the Ultra-fast Scintillation Material for a Sub-nanosecond Timing X-ray Detector
2008 - 2010 Direct measurement of Ps Hyper Fine Structure using sub THz
2004 - 2006 Study of the interactions between positronium and atoms or molecules
2000 - 2001 Development of positron annihilation induced X-ray spectroscopy
1998 - 1999 陽電子消滅法とESR法を組み合わせた表面常磁性中心の研究
1996 - 1999 Study of Positronium in Insulating Crystals
1996 - 1998 Development of 2D-ACAR apparatus using a new type of position sensitive gamma-ray detectors
1995 - 1995 陽電子消滅によるアモルファスシリカ微粒子表面の常磁性中心の研究
1994 - 1995 Study of Surfaces of Ultra-fine Particles by Using Positronium
1993 - 1995 Development of a Two-dimensional Angular-correlation-of-annihilation-radiation Apparatus Using Position Sensitive Photomultiplier Tubes
1991 - 1993 STUDY OF POSITRONIUM IN MOLECULAR SOLIDS
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Papers (68):
Makoto Takeuchi, Haruo Saito. Absolute measurement of sampling jitter in audio equipment. The Journal of the Acoustical Society of America. 2023. 154. 1. 443-453
Kengo Shibuya, Haruo Saito, Hideaki Tashima, Taiga Yamaya. Using inverse Laplace transform in positronium lifetime imaging. Physics in Medicine & Biology. 2022. 67. 2. 025009-025009
Kengo Shibuya, Haruo Saito, Fumihiko Nishikido, Miwako Takahashi, Taiga Yamaya. Oxygen sensing ability of positronium atom for tumor hypoxia imaging. Communications Physics. 2020. 3. 1
Shibuya Kengo, Saito Haruo. Partial-wave analysis for positronium-xenon collisions in the ultralow-energy region. PHYSICAL REVIEW A. 2018. 97. 5
Shibuya K., Saito H. 7aAE-2 Development of a LaBr_3(Ce)-scintillation-detector-based AMOC spectrometer for analyzing Ps-Xe collisions. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 678-678
Saito Haruo, Shibuya Kengo. 28pEG-2 Wave Function and Time Correlation of Annihilation Gamma-rays. Meeting abstracts of the Physical Society of Japan. 2013. 68. 1. 235-235
Shibuya K., Kawamura Y., Saito H. 26aEG-2 New measurement of Ps thermalization utilizing spin-orbit interaction induced Ps spin conversion during Xe-Ps collisions. Meeting abstracts of the Physical Society of Japan. 2013. 68. 1. 190-190
Shibuya Kengo, Kawamura Yoshihiro, Saito Haruo. 21pEA-9 Z-dependence of positronium spin conversion during Ps-atom scattering. Meeting abstracts of the Physical Society of Japan. 2011. 66. 2. 130-130
Kawamura Yoshihiro, Shibuya Kengo, Saito Haruo. 21aJA-13 Development of positron age momentum correlation measurement system using digitizer. Meeting abstracts of the Physical Society of Japan. 2011. 66. 2. 971-971