Selected Refereed Papers（主要な査読論文）
- Yuki Nakamura, Akira Okumura, Hiroyasu Tajima, Nobuhito Yamane, and Anatolii Zenin (2019)
“Characterization of SiPM Optical Crosstalk and its Dependence on the Protection-Window Thickness”
In the Proceedings of the 5th International Workshop on New Photon-Detectors (PD18), arXiv:1909.07529
- Akira Okumura, et al. (2019)
“Development of a UV-transparent Lens Array for Enlarging the Effective Area of Multichannel SiPMs”
In the Proceedings of the 5th International Workshop on New Photon-Detectors (PD18), arXiv:1908.05510
- A. Asano, et al. (2018)
“Evaluation of silicon photomultipliers for dual-mirror Small-Sized Telescopes of Cherenkov Telescope Array”
Nucl. Instrum. Methods Phys. Res. A 912 177–181
- J. Zorn, et al. (2018)
“Characterisation and testing of CHEC-M—A camera prototype for the small-sized telescopes of the Cherenkov telescope array”
Nucl. Instrum. Methods Phys. Res. A 904 44–63, arXiv:1711.02367
- Akira Okumura, Dang Viet Tan, Sakiya Ono, Syunya Tanaka, et al. (2017)
“Prototyping hexagonal light concentrators using high-reflectance specular films for the Large-Sized Telescopes of the Cherenkov Telescope Array”
JINST 12 P12008, arXiv:1711.02367, ADS:2017JInst..12P2008O
- A. Albert, S. Funk, T. Kawashima, M. Murphy, A. Okumura, R. Quagliani, L. Sapozhnikov, H. Tajima, L. Tibaldo, J. Vandenbroucke, G. Varner, T. Wu (2017)
“TARGET 5: a new multi-channel digitizer with triggering capabilities for gamma-ray atmospheric Cherenkov telescopes”
Astroparticle Physics 92 49–61, arXiv:1607.02443, ADS:2017APh....92...49A
- Cameron Rulten, Andreas Zech, Akira Okumura, Philippe Laporte, and Jürgen Schmoll (2016)
“Simulating the optical performance of a small-sized telescope with secondary optics for the Cherenkov Telescope Array”
Astroparticle Physics 82 36–48, ADS:2016APh....82...36R
- Akira Okumura, Koji Noda, Cameron Rulten (2016)
“ROBAST: Development of a ROOT-Based Ray-Tracing Library for Cosmic-Ray Telescopes and its Applications in the Cherenkov Telescope Array”
Astroparticle Physics 76 38–47, arXiv:1512.04369, ADS:2016APh....76...38O
- M. Sasano, H. Nishioka, S. Okuyama, K. Nakazawa, K. Makishima, S. Yamada, T. Yuasa, A. Okumura, J. Kataoka, Y. Fukazawa, Y. Hanabata, K. Hayashi (2013)
“Geometry dependence of the light collection efficiency of BGO crystal scintillators read out by avalanche photo diodes”
Nuclear Instruments and Methods in Physics Research A 715 105–111, ADS:2013NIMPA.715..105S
- Akira Okumura (2012)
“Optimization of the collection efficiency of a hexagonal light collector using quadratic and cubic Bézier curves”
Astroparticle Physics 38 18–24, arXiv:1205.3968, ADS:2012APh....38...18O
- M. Ackermann, et al. (2012)
“Gamma-ray observations of the Orion Molecular Clouds with the Fermi Large Area Telescope”
Astrophysical Journal 756 4, arXiv:1207.0616, ADS:2012ApJ...756....4A
- K. Bechtol, S. Funk, A. Okumura, L.L. Ruckman, A. Simons, H. Tajima, J. Vandenbroucke, G.S. Varner (2012)
“TARGET: A multi-channel digitizer chip for very-high-energy gamma-ray telescopes”
Astroparticle Physics 36 156–165, arXiv:1105.1832, ADS:2012APh....36..156B
Please see my ADS library for the full publication list.
他の論文一覧は ADS ライブラリを参照してください。
Conferences（国際会議）
Domestic Conferences（国内学会）
Theses（学位論文）
- "Gamma-Ray Observations of the Orion Molecular Clouds using the Fermi Large Area Telescope", Ph.D. Thesis, The University of Tokyo, July 2009 PDF
- "TeV-γ線観測を用いた Ashra 光電撮像系の開発的研究", Master Thesis, The University of Tokyo, March 2005