Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Yoshihiro Asano"'
Autor:
Hiroshi Nakashima, Yoshihiro Asano, Masashi Yamaguchi, Shuji Miyamoto, Yoichi Kirihara, Toshiro Itoga, Toshiya Sanami, Yoshihito Namito, Akinori Takemoto
Publikováno v:
Journal of Nuclear Science and Technology. 57:444-456
The neutron-emission spectrum from a 197Au target excited with a 16.6 ±0.2 MeV, monoenergetic, linearly polarized photon beam was measured using the time-of-flight method at the NewSUBARU-BL01. Two...
Autor:
Yoshihiro Asano, Akihiro Takeuchi, Toshiro Itoga, Hirohito Yamazaki, Yoshihito Namito, Tran Kim Tuyet, Shuji Miyamoto, Toshiya Sanami
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 989:164965
The energy spectra as well as the angular distribution of photo-neutrons, called the double differential cross sections (DDXs) of the ( γ , xn) reaction were measured for 16.6 MeV linearly polarized photons on Pb, Au, Sn, Cu, Fe, and Ti targets. Pol
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 673:32-45
A fiber-based Cherenkov beam loss monitor (CBLM) consisting of large core (400 μm), long (≥150 m) multimode fibers, has been developed as an online long-range detection tool with high sensitivity and good position resolution for the 8 GeV SPring-8
Publikováno v:
Nuclear Technology. 168:387-390
The characteristics of radiation were investigated for a prototype X-ray free electron laser machine with 250-MeV electrons and 49-nm-wavelength light. The doses both inside and outside the shield tunnel including the maze were measured in relation t
Publikováno v:
Journal of Synchrotron Radiation. 16:317-324
Demagnetization owing to high-energy electron irradiation has been analyzed for permanent magnets used in insertion devices of synchrotron radiation sources, using the Monte Carlo code FLUKA. The experimental data of a thermally treated Nd(2)Fe(14)B
Autor:
Yasuhisa Tajima, T. Hashimoto, T. Matsumura, Hiroshi Yoshida, Akira Miura, R. Chiba, Yoshihiro Asano, Hajime Shimizu
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 582:489-496
A sharp gas-bremsstrahlung beam with an energy up to 8 GeV is available at insertion device (ID) beamlines at SPring-8. As a practical use of the beam, a test experiment for a 3 × 3 PWO calorimeter has been performed at an ID beamline, BL11XU, to me
Autor:
Toru Hara, Naoyasu Hosoda, H. Yonehara, X. Marechal, T. Bizen, Takashi Tanaka, Hideo Kitamura, Yoshihiro Asano, T. Seike, Tsuyoshi Aoki, Tetsuya Takagi, Kenji Fukami
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 574:401-406
High-energy electron-beam bombardment of Nd 2 Fe 14 B-type permanent magnets induces radiation damage characterized by a drop in the magnetic field. Experiments carried out at the SPring-8 booster synchrotron, with 4, 6, and 8 GeV electrons, show tha
Autor:
Yoshihiro Asano, J.S. Bak, Hee-Seock Lee, Dong Eon Kim, Takashi Tanaka, Hideo Kitamura, T. Bizen
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. :185-189
The magnetic field change of undulator magnets when exposed to a 2.0 GeV electron beam has been measured. We study the effect of (1) stacking magnets, of (2) magnet shape, of (3) magnetized direction, of (4) target materials, of (5) magnet materials,
Autor:
T. Ishikawa, Shunji Goto, Naoto Yagi, Hidekazu Kimura, Tomohiro Matsushita, Hiroshi Yamazaki, Kunikazu Takeshita, Yoshio Suzuki, M. Isshiki, Yoshihiro Asano, Y. Yoneda, Haruhiko Ohashi, K. Umetani
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. :682-685
The 215-m-long beamline has been constructed as the first medium-length beamline of SPring-8 for the purpose of R&D of imaging techniques, development of X-ray optics, computed tomography for mineral science, medical imaging, and X-ray topography. By
Autor:
Yasuhisa Tajima, H.Y. Yoshida, H. M. Shimizu, Akira Miura, T. Matsumura, R. Chiba, T. Hashimoto, Yoshihiro Asano
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 451:685-696
Gas bremsstrahlung, generated by the interaction of stored electrons with residual gas molecules in a storage ring vacuum chamber, was measured at the insertion device beamlines of SPring-8 by using a new-type scintillator PWO (PbWO 4 ). The fine ene