Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Yuuki KAWARASAKI"'
Autor:
Masayoshi Sugimoto, N. Shikazono, J. Sasabe, Eisuke Minehara, M. Sawamura, Y. Suzuki, Masaru Takao, Makio Ohkubo, S. Sasaki, Ryoji Nagai, Yuuki Kawarasaki, Nobuhiro Kikuzawa
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 331:182-185
We have developed and constructed a prototype for a quasi-cw, and high-average power free electron laser driven by a superconducting rf linac at the Japan Atomic Energy Research Institute (JAERI), Tokai. We have successfully demonstrated expected per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e2a57ae6bdf428c6063d828747ff247
https://doi.org/10.1016/0168-9002(93)90039-k
https://doi.org/10.1016/0168-9002(93)90039-k
Autor:
Masayoshi Sugimoto, K. Sato, Nobuhiro Kikuzawa, H. Matsumoto, Yuuki Kawarasaki, Ryoji Nagai, Masaru Takao, Eisuke Minehara, M. Sawamura, K. Nagatsuka, Makio Ohkubo, A. Kashiwagi, Y. Suzuki
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 331:323-326
The JAERI FEL linac is energized with four kinds of all-solid-state amplifiers having 5, 1.5, 4, and 50 kW of peak power with a 1–2 ms pulse length. Amplitude and phase stabilities of the 50 kW amplifiers are ∼ 1% and ∼1°, respectively. A feed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f58330373ffe78887cb669b581875fab
https://doi.org/10.1016/0168-9002(93)90067-r
https://doi.org/10.1016/0168-9002(93)90067-r
Autor:
Y. Suzuki, N. Nagai, Masayoshi Sugimoto, Yuuki Kawarasaki, J. Sasabe, Nobuhiro Kikuzawa, Masaru Takao, Makio Ohkubo, M. Sawamura, Eisuke Minehara
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 331:276-281
The new cooling system of the JAERI superconducting accelerator module named “multi-refrigerators system” consists of a liquid He recondensor and a shield cooler utilizing a compact closed-loop He gas refrigerator, and their integration into each
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fda013950c2b96e4cd94be4bcad09e11
https://doi.org/10.1016/0168-9002(93)90058-p
https://doi.org/10.1016/0168-9002(93)90058-p
Autor:
Eisuke Minehara, M. Sawamura, Yuuki Kawarasaki, Ryoji Nagai, Makio Ohkubo, Y. Suzuki, Nobuhiro Kikuzawa, Masaru Takao, Masayoshi Sugimoto
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 331:218-222
We present a conceptual design of the second phase project of the JAERI FEL facility. The FEL project is planned with the electron beam accelerated by low-frequency superconducting cavities to accomplish high average output laser power. While in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::676047e11e21cda2a8e25aa7b31395d9
https://doi.org/10.1016/0168-9002(93)90046-k
https://doi.org/10.1016/0168-9002(93)90046-k
Autor:
Masayoshi Sugimoto, M. Sawamura, Eisuke Minehara, Nobuhiro Kikuzawa, Ken Sasaki, Yuuki Kawarasaki, Ryoji Nagai, Makio Ohkubo, Y. Suzuki, Masaru Takao
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 331:450-458
We have developed a versatile one-dimensional simulation code for short-pulse and multi-pass operation of the free-electron laser. This code runs on the main frame computer FACOM 780/20, while its vectorized version runs on the supercomputer FACOM VP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba106c40b9a20a2d5bbfc5c0b06815ed
https://doi.org/10.1016/0168-9002(93)90088-y
https://doi.org/10.1016/0168-9002(93)90088-y
Autor:
M. Sawamura, J. Sasabe, K. Mashiko, Masaru Takao, Makio Ohkubo, Eisuke Minehara, Yuuki Kawarasaki, Y. Suzuki, Ryoji Nagai, Nobuhiro Kikuzawa, Masayoshi Sugimoto
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 318:127-130
The injection system of the JAERI superconducting linac for far infrared FEL oscillation was installed and commissioned. The characteristics of the electron beam measured, so far, are as follows: an electron beam of 100 mA with 4 ns bunch length was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03622170fd4571dfccb7a04c956d5286
https://doi.org/10.1016/0168-9002(92)91037-a
https://doi.org/10.1016/0168-9002(92)91037-a
Publikováno v:
Annals of Nuclear Energy. 17:569-577
Neutron capture and neutron transmission measurements on 133Cs were made to obtain neutron resonance parameters. Neutron capture areas up to 2 keV and neutron widths up to 5.9 keV for each resonance were derived. Below 100 eV five neutron radiative c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dec49f4b20806eab1ec7986230afebc7
https://doi.org/10.1016/0306-4549(90)90047-h
https://doi.org/10.1016/0306-4549(90)90047-h
Autor:
Masayoshi Sugimoto, Yuuki Kawarasaki, Yutaka Furuta, Yutaka Nakajima, Makio Ohkubo, Motoharu Mizumoto
Publikováno v:
Annals of Nuclear Energy. 17:95-99
Neutron transmission measurements were carried out on a 122 Sn oxide sample enriched to 92.20% at a 190 m station of the Japan Atomic Energy Research Institute linac with the neutron time-of-flight method. Resonance energies and neutron widths were d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29f370c29fd1681748399d30fee33988
https://doi.org/10.1016/0306-4549(90)90012-3
https://doi.org/10.1016/0306-4549(90)90012-3
Autor:
Yuuki Kawarasaki
Publikováno v:
AIP Conference Proceedings.
New scheme of a nuclear fusion reactor system is proposed, the basic concept of which comes from ingenious combination of hitherto developed techniques and verified facts; 1) so‐called cold fusion (CF), 2) plasma of both magnetic confinement fusion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::951cf786010e74e8fa77bf2b6ef13996
https://doi.org/10.1063/1.50411
https://doi.org/10.1063/1.50411
Autor:
Yuuki Kawarasaki, Masaru Takao, Eisuke Minehara, Y. Suzuki, N. Shikazono, J. Sasabe, S. Sasaki, Nobuhiro Kikuzawa, Masaru Sawamura, Masayoshi Sugimoto, R. Nagai, Makio Ohkubo
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 358:ABS30-ABS31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0fb53de88ef83ec9653d6a280e8da82
https://doi.org/10.1016/0168-9002(94)01343-8
https://doi.org/10.1016/0168-9002(94)01343-8