Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Atsushi Kimura"'
Autor:
Shoji Nakamura, Yosuke Toh, Makoto Maeda, Atsushi Kimura, Osamu Iwamoto, Masayuki Tsuneyama, Gerard Rovira, Shin-ichiro Meigo, Shunsuke Endo, Nobuyuki Iwamoto, Kazushi Terada, Mariko Segawa
Publikováno v:
Journal of Nuclear Science and Technology. 59:318-333
Neutron capture yields and transmission ratios of 93Nb were measured by applying the time-of-flight method using the Accurate Neutron-Nucleus Reaction measurement Instrument of the Materials and Li...
Autor:
Shoji Nakamura, Shunsuke Endo, Osamu Iwamoto, Yuji Shibahara, Hideto Nakano, Kazushi Terada, Jun-ichi Hori, Nobuyuki Iwamoto, Yu Kodama, Tatsuya Katabuchi, Yaoki Sato, Gerard Rovira, Atsushi Kimura
Publikováno v:
Journal of Nuclear Science and Technology. 58:1159-1164
The neutron capture cross section of 243Am was measured by the time-of-flight method with a pulsed neutron beam from a spallation neutron source of the Japan Proton Accelerator Research Complex. An...
Publikováno v:
Journal of Nuclear Science and Technology. 58:1061-1070
Using an activation method with a well-thermalized neutron field, it is principally possible to drive a thermal-neutron capture cross-section without considering an epithermal neutron component. We...
Autor:
Nobuyuki Iwamoto, Hideo Harada, Shoji Nakamura, Yosuke Toh, Atsushi Kimura, Osamu Iwamoto, Shoichiro Kawase, Mariko Segawa
Publikováno v:
Journal of Nuclear Science and Technology. 58:764-786
The neutron capture cross sections of 244Cm and 246Cm were measured for the neutron energy range of 1–1000 eV via the neutron time-of-flight method with Accurate Neutron-Nucleus Reaction measurem...
Autor:
Mariko Segawa, Tatsuya Katabuchi, Shota Matsuura, Nobuyuki Iwamoto, Kenichi Tosaka, Kazushi Terada, Atsushi Kimura, Shoji Nakamura, Makoto Maeda, Osamu Iwamoto, Gerard Rovira
Publikováno v:
Journal of Nuclear Science and Technology. 57:24-39
The neutron capture cross-section of 237Np has been measured in the neutron energy region from 10 meV to 500 eV. A neutron time-of-flight method was employed using the NaI(Tl) spectrometer in the A...
Autor:
Nobuyuki Iwamoto, Atsushi Kimura, Shoji Nakamura, Yosuke Toh, Toshitaka Kajino, Takehito Hayakawa, Toshiyuki Shizuma, Satoshi Chiba
Publikováno v:
Physical Review C. 103
A $\ensuremath{\beta}$-decay unstable isomer with a half-life of 14.1 yr at 264 keV in $^{113}\mathrm{Cd}$ is a branching point in the $s$ process, from which a weak branch reaches to a rare tin isotope $^{115}\mathrm{Sn}$ whose astrophysical origin
Autor:
Jun-ichi Hori, Kazuhito Mizuyama, Atsushi Kimura, Nobuyuki Iwamoto, Yoshiyuki Takahashi, Tatsuya Katabuchi, Hideo Harada, Cheol Ho Pyeon, Satoshi Fukutani, Toshiyuki Fujii, Masayuki Igashira, Shoji Nakamura, Takahiro Yagi, Tadafumi Sano, Kazushi Terada, Osamu Iwamoto, Taro Nakao, Koichi Takamiya
Publikováno v:
Journal of Nuclear Science and Technology. 56:479-492
Neutron total and capture cross sections of 243Am have been measured in Accurate Neutron Nucleus Reaction measurement Instrument at Materials and Life Science Experimental Facility of Japan Proton ...
Autor:
Koichi Takamiya, Atsushi Kimura, Shoji Nakamura, Kazushi Terada, Taro Nakao, Hideo Harada, Toshiyuki Fujii, Osamu Iwamoto, Akihiro Uehara
Publikováno v:
Journal of Nuclear Science and Technology. 56:123-129
Accurate data of gamma-ray emission probabilities are frequently needed when one quantitatively determines the amount of isotope by gamma-ray measurements or obtains neutron capture cross-sections ...
Autor:
Kenichi Oikawa, Yosuke Toh, Yujiro Ikeda, Atsushi Kimura, Makoto Teshigawara, E. B. Klinkby, Masahide Harada, Konstantin Batkov, L. Zanini, Motoki Ohi
Publikováno v:
Harada, M, Teshigawara, M, Ohi, M, Klinkby, E B, Zanini, L, Batkov, K, Oikawa, K, Toh, Y, Kimura, A & Ikeda, Y 2018, ' Experimental validation of the brightness distribution on the surfaces of coupled and decoupled moderators composed of 99.8% parahydrogen at the J-PARC pulsed spallation neutron source ', Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 903, pp. 38-45 . https://doi.org/10.1016/j.nima.2018.06.011
Liquid hydrogen moderators composed of 99.8% parahydrogen associated with light-water premoderator at the J-PARC pulsed spallation neutron source have demonstrated high performance in the extraction of high intensity cold and thermal neutron beams. I
Autor:
Gerard Rovira, Tatsuhiro Saito, Huang Minghui, Shoji Nakamura, Yosuke Toh, Tatsuya Katabuchi, Kazushi Terada, Atsushi Kimura, Masayuki Igashira, Motoharu Mizumoto
Publikováno v:
The European Physical Journal A. 57
A new neutron resonance of $$^{89}$$ Y was discovered by time-of-flight (TOF) neutron capture experiments using a pulsed neutron beam from a spallation neutron source of the Japan Proton Accelerator Research Complex. The observed resonance energy was