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Kusano, Kanya*; Ichimoto, Kiyoshi*; Ishii, Mamoru*; Miyoshi, Yoshizumi*; Yoden, Shigeo*; Akiyoshi, Hideharu*; Asai, Ayumi*; Ebihara, Yusuke*; Fujiwara, Hitoshi*; Goto, Tadanori*; et al.
Earth, Planets and Space (Internet), 73(1), p.159_1 - 159_29, 2021/12
Times Cited Count：6 Percentile：51.19(Geosciences, Multidisciplinary)The PSTEP is a nationwide research collaboration in Japan and was conducted from April 2015 to March 2020, supported by a Grant-in-Aid for Scientific Research on Innovative Areas from the Ministry of Education, Culture, Sports, Science and Technology of Japan. It has made a significant progress in space weather research and operational forecasts, publishing over 500 refereed journal papers and organizing four international symposiums, various workshops and seminars, and summer school for graduate students at Rikubetsu in 2017. This paper is a summary report of the PSTEP and describes the major research achievements it produced.
Kawase, Keigo; Kando, Masaki; Hayakawa, Takehito; Daito, Izuru; Kondo, Shuji; Homma, Takayuki; Kameshima, Takashi; Kotaki, Hideyuki; Chen, L.*; Fukuda, Yuji; et al.
Nuclear Physics Review, 26(Suppl.), p.94 - 99, 2009/07
We constructed MeV- and sub-MeV-photon sources by means of Compton backscattering with a laser light and an electron beam at SPring-8 and KPSI-JAEA. MeV-photon source consists of a continuous-wave optically-pumped far infrared laser and an 8-GeV stored electron beam. Sub-MeV-photon source consists of a Nd:YAG pulse-laser and an 150-MeV electron beam accelerated by a microtron. Both source have been succeeded backscattered photon generation. In this talk, I will present characteristics and future prospects of these photon sources.
-ray generation from backward Compton scattering at SPring-8Kawase, Keigo; Arimoto, Yasushi*; Fujiwara, Mamoru; Okajima, Shigeki*; Shoji, Masazumi*; Suzuki, Shinsuke*; Tamura, Kazuhiro*; Yorita, Tetsuhiko*; Okuma, Haruo*
Nuclear Instruments and Methods in Physics Research A, 592(3), p.154 - 161, 2008/07
Times Cited Count：20 Percentile：77.66(Instruments & Instrumentation)A test experimental line at SPring-8 has been constructed for the generation of backward Compton scattered (BCS) -ray by head-on collision between an 8 GeV electron beam and a far-infrared (FIR) laser. For the FIR laser, we use a continuous-wave methanol laser optically pumped by a carbon dioxide (
) laser. The FIR laser output power achieved is 1.6 W at maximum for 118.8 
m lasing; this value is the highest in the case of this type of laser. As a result of the direct measurement, the generated BCS -ray flux was found to be about 
photons/s. This value is consistent with the estimation calculated by taking into account the input laser power and the transmittance of the laser transport system.
Kushida, Takushi*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
no journal, ,
no abstracts in English
Kurauchi, Yasuyuki*; Kushida, Takushi*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
no journal, ,
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Kushida, Takushi*; Kurauchi, Yasuyuki*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
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DNA polymerase B gene disruptantKushida, Takushi*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
no journal, ,
no abstracts in English
Kushida, Takushi*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
no journal, ,
no abstracts in English
in DNA repairHigashibata, Hiroki*; Kushida, Takushi*; Narumi, Issei; Imanaka, Tadayuki*; Fujiwara, Shinsuke*
no journal, ,
no abstracts in English
Kushida, Takushi*; Narumi, Issei; Fujiwara, Shinsuke*; Imanaka, Tadayuki*; Higashibata, Hiroki*
no journal, ,
no abstracts in English
