Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Keisuke, Maehata"'
Autor:
Kazuhisa Mitsuda, Tetsuya Tsuruta, Keisuke Maehata, Naoko Iyomoto, Tasuku Hayashi, Yoshiki Nishida, Yukino Hamamura, Shinya Asagawa
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-4
We developed a transition edge sensor (TES) microcalorimeter to measure high-energy gamma-rays in the range of up to several MeV. We performed gamma-ray irradiation experiments using this TES microcalorimeter fabricated with a cubic bismuth cut out (
Autor:
Keisuke, Maehata
Publikováno v:
Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics. 42(2)
Neutrons are uncharged particles and exhibit strong ability to penetrate matter. Various charged particles and gamma rays are emitted from nuclear reactions induced by neutrons passing through the matter. It is important to consider contributions of
Autor:
Yusuke Koba, Weishan Chang, Yuki Mitsuya, Ryuta Tatsumoto, Keisuke Maehata, Shuto Kawahara, Takeshi Fujiwara, Riichiro Nakamura
Publikováno v:
Journal of Nuclear Science and Technology. 58:933-940
An optically read-out glass gas electron multiplier (G-GEM) detector is expected to simplify complicated quality assurance measurements for hadron therapies by imaging the dose distribution of the ...
Autor:
Riichiro, Nakamura, Takeshi, Fujiwara, Yusuke, Koba, Yuki, Mitsuya, Chang, Weishan, Ryuta, Tatsumoto, Shuto, Kawahara, Keisuke, Maehata
Publikováno v:
Journal of Nuclear Science and Technology. 58(8):933-940
An optically read-out glass gas electron multiplier (G-GEM) detector is expected to simplify complicated quality assurance measurements for hadron therapies by imaging the dose distribution of the incident beam. However, the effect of secondary parti
Autor:
Haruka Muramatsu, Tetsuya Tsuruta, Takehiro Kuroiwa, Yoshiki Nishida, Yukino Hamamura, Kazuhisa Mitsuda, Naoko Iyomoto, Tasuku Hayashi, Shinya Asagawa, Yuta Kurume, Keisuke Maehata
Publikováno v:
Journal of Low Temperature Physics. 200:233-238
We are developing position-sensitive transition-edge sensor (TES) microcalorimeters (PoSTs) to detect gamma rays up to a few MeV. Each gamma-ray PoST consists of a long absorber with a TES on each end and works as a 1D imaging spectrometer. We fabric
Autor:
Kazuhisa Mitsuda, Akira Takano, Noriko Y. Yamasaki, Ryohei Konno, Keisuke Maehata, Haruka Muramatsu, Tasuku Hayashi, Toru Hara
Publikováno v:
Journal of Low Temperature Physics. 199:908-915
We herein report a concept study of a transition edge sensor (TES) X-ray microcalorimeter array with two different thickness absorbers. We developed an energy-dispersive X-ray spectroscope (EDS) with a 64-pixel TES array and installed it on a scannin
Autor:
Noriko Y. Yamasaki, Mikiko Saito, R. Sato, K. Maehisa, Kazuhisa Mitsuda, M. Sugie, Ryo Yamamoto, Takayuki Homma, Keisuke Maehata, H. Muramatsu, Tasuku Hayashi, R. Konno, Yuki Nakashima
Publikováno v:
Journal of Low Temperature Physics. 199:654-662
Several issues in developing transition edge sensor (TES) microcalorimeters for the search of monochromatic solar axions expected at 14.4 keV are studied. The potential problem of developing TES’s of this purpose is in that an axion absorber of $$^
Autor:
Naoko Iyomoto, Kazuhisa Mitsuda, Haruka Muramatsu, Kenji Ishibashi, Kenichiro Nagayoshi, Keisuke Maehata, Takehiro Kuroiwa, Akira Takano, Ikumi Yoshimine, Tasuku Hayashi, Yuki Shuto, Yuta Kurume, Shota Yoshimoto
Publikováno v:
Journal of Low Temperature Physics. 194(5-6):412-417
著者人数: 13名
Accepted: 2018-11-23
資料番号: SA1180407000
Accepted: 2018-11-23
資料番号: SA1180407000
Autor:
Kazuhisa Mitsuda, Yuki Morishita, Keisuke Maehata, Keisuke Nakamura, Tetsuya Sugimoto, Naoko Iyomoto, Yu Kiguchi, Koji Takasaki
Publikováno v:
Progress in Nuclear Science and Technology. 6:8-12
Autor:
Takeshi Fujiwara, Hiroyuki Takahashi, Weishan Chang, Ryuta Tatsumoto, Hidetoshi Yamaguchi, Keisuke Maehata, Shuto Kawahara, Yuki Mitsuya, Naruhiro Matsufuji, Yusuke Koba, Riichiro Nakamura
Publikováno v:
Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB). 82
The use of carbon ion beams in cancer therapy (also known as hadron therapy) is steadily growing worldwide; therefore, the demand for more efficient dosimetry systems is also increasing because daily quality assurance (QA) measurements of hadron radi