Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Hiroyuki Kyushima"'
Autor:
M. H. Tanaka, Motohiro Suyama, Hiroyuki Kyushima, Yoshihiko Kawai, H. Kakuno, Hiroaki Aihara, M. Iwasaki, H. Nakayama, T. Abe, Masato Shiozawa, Akito Kusaka
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 579:42-45
We have developed the first complete large-aperture (13-inch diameter) hybrid photo-detector (HPD). The withstanding voltage problem has been overcome and we were able to attain an HPD operating voltage of +20 kV. Adoption of our newly developed back
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8445d08851ef45a2f5902f2f89f1ca61
https://doi.org/10.1016/j.nima.2007.04.010
https://doi.org/10.1016/j.nima.2007.04.010
Autor:
H. Kakuno, Masato Shiozawa, Hiroaki Aihara, Hiroyuki Kyushima, Akito Kusaka, Motohiro Suyama, M. Iwasaki, M. H. Tanaka, Yoshihiko Kawai, H. Nakayama, T. Abe
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 567:172-175
We have developed a 13-in. Hybrid Avalanche Photo-Detector (HAPD) for photosensors in next generation water Cherenkov type detectors. We study the performance of the HAPD and the results show good time resolution better than σ = 1 ns , good sensitiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6328239321af3b783a70e6de22bf345c
https://doi.org/10.1016/j.nima.2006.05.219
https://doi.org/10.1016/j.nima.2006.05.219
Autor:
Hiroaki Aihara, Motohiro Suyama, Yoshihiko Kawai, M. Iwasaki, Hiroyuki Kyushima, T. Abe, Masato Shiozawa, Keizo Kasimura, Hiroki Fujimori, Sogo Mineo, Manobu Tanaka, T. Uchida
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 623:279-281
This paper reports on the R&D status of a large-aperture Hybrid Avalanche Photo-Detector (HAPD). We have developed a 13-inch aperture HAPD and its readout system. The HAPD is a photo-detector expected to replace the photomultiplier tube (PMT) in next
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ce594d54c9ae2f398025e4708498df0
https://doi.org/10.1016/j.nima.2010.02.221
https://doi.org/10.1016/j.nima.2010.02.221
Autor:
Hiroyuki Kyushima, Kimitsugu Nakamura
Publikováno v:
RADIOISOTOPES. 45:26-37
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6f05517b45a3508113bcb5e4107bfb7
https://doi.org/10.3769/radioisotopes.45.26
https://doi.org/10.3769/radioisotopes.45.26
Autor:
Emiko Chino, Kimitsugu Nakamura, Keisuke Akiyama, Itaru Mizuno, Yoshihiro Ishigami, Hiroyuki Kyushima, Kazumasa Kato, Tsuneo Ihara, Takaaki Nagata, Tetsuji Matsuo
Publikováno v:
SPIE Proceedings.
We developed a high-sensitivity GaN photocathode that works in transmission mode. It has 40.9 % quantum efficiency at 310 nm wavelength. Conventional GaN photocathodes, both transmission mode and reflection mode, are made on a sapphire substrate usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0522478614cd1fb5232bd11f2c4571c1
https://doi.org/10.1117/12.918396
https://doi.org/10.1117/12.918396
Autor:
J. Takeuchi, Masaki Mori, A. Suzuki, Hiroyuki Kyushima, Y. Ohashi, Toru Tanimori, K. Kaneyuki
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 329:299-313
The quality of the 20 in. photomultiplier tubes (Hamamatsu R1449) has been greatly improved over the required specifications for using them in the 50 000 ton imaging water Cherenkov detector, Super-Kamiokande. In particular, the resolution of the tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7a9d84beb7f0aeb20d33523e39591c5
https://doi.org/10.1016/0168-9002(93)90949-i
https://doi.org/10.1016/0168-9002(93)90949-i
Publikováno v:
2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC).
This paper reports on the R&D status of a large-aperture Hybrid Avalanche Photo-Detector (HAPD). We have developed a 13-inch aperture HAPD and its readout system. The HAPD is a photo detector expected to replace the photomultiplier tube (PMT) in next
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c35611fc1bb735f439085c086bbdae1
https://doi.org/10.1109/nssmic.2009.5402086
https://doi.org/10.1109/nssmic.2009.5402086
Autor:
M. Iwasaki, M. H. Tanaka, Y. Kawai, Masato Shiozawa, H. Nakayama, H. Kakuno, Motohiro Suyama, T. Abe, Akito Kusaka, Hiroyuki Kyushima, H. Aihara
Publikováno v:
IEEE Nuclear Science Symposium Conference Record, 2005.
We have undertaken the development of a large scale hybrid photo-detector (HPD) and new readout system comprising an ASIC preamplifier, an analog memory cell (AMC) and an FPGA (DSP) which, together, are intended to be the next generation water Cheren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c273317d7a46f67d98d23f0bd93e5ed6
https://doi.org/10.1109/nssmic.2005.1596371
https://doi.org/10.1109/nssmic.2005.1596371
Autor:
S. Suzuki, H. Matsuura, Hiroyuki Kyushima, Michihiro Ito, Akira Atsumi, Y. Hasegawa, Koichiro Oba, H. Yokota, Junichi Takeuchi, Koji Nagura
Publikováno v:
1993 IEEE Conference Record Nuclear Science Symposium and Medical Imaging Conference.
In spectroscopic analysis, radiation detection, and medical application fields, portable instruments requiring high accuracy and high sensitivity are being developed. Since conventional photomultiplier tube (PMT) envelopes are made of glass and are l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e118d4110e823f5b800e5ed6a44f7f6
https://doi.org/10.1109/nssmic.1993.701744
https://doi.org/10.1109/nssmic.1993.701744
Autor:
Y. Watase, Y. Hasegama, H. Matsuura, Y. Yokota, Michihiro Ito, Koichiro Oba, Hiroyuki Kyushima, Akira Atsumi, Junichi Takeuchi
Publikováno v:
Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9).
The Metal Package PMT R5600U series, a size of 15 mm diameter and 10 mm height, has been developed. Its appearance is the same as TO-8 type solid state device and it has as high sensitivity and speed as a conventional PMT. There are two important key
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e8ebb0ae69595ea59136c36ccb0a95f
https://doi.org/10.1109/imtc.1994.352082
https://doi.org/10.1109/imtc.1994.352082