Hirata Mafumi

Researcher's full information

Articles
  • TWO-POINT MEASUREMENT OF HIGH-FREQUENCY DENSITY FLUCTUATIONS BY REFLECTOMETRY IN GAMMA 10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • Edge Turbulence/Fluctuation Measurement using Fast Cameras at Various Conditions in GAMMA 10 Central Cell Plasma
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • ICRF Heating Experiments in Both East and West Anchor Cells on GAMMA10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • Axial transport of high-energy ions due to ICRF heating on GAMMA10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • ICRF experiment with phase-controlled antennas on GAMMA10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • ICRF Antenna loading in the minimum-B anchor configuration on GAMMA10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • Evaluation of the Axisymmetricity of the Central-cell Plasma Using a Segmented Limiter on GAMMA 10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • Recent ICRF heating experiments for a divertor simulation study on GAMMA 10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • FIRST RESULTS AND FUTURE RESEARCH PLAN OF DIVERTOR SIMULATION EXPERIMENTS USING D-MODULE IN THE END-CELL OF THE GAMMA 10/PDX TANDEM MIRROR
    Hirata Mafumi
    Joint Conference of OS2012 and PMIF 2012, 2012-08
  • TIME EVOLVING STRUCTURE OF ALFVÉN ION-CYCLOTRON WAVES IN GAMMA10
    Hirata Mafumi
    Joint Conference of the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF), 2012-08
  • GAMMA 10/PDX project status and future
    Hirata Mafumi
    the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF, 2012-08
  • Recent Results of Divertor Simulation Research Using an End-cell of a Large Tandem Mirror Device
    Hirata Mafumi
    20th Int. Conf. Plasma Surface Interactions, 2012-05
  • A new frequency-multiplied interrferometer system in the GAMMA 10 tandem mirror
    Hirata Mafumi
    19th Topical Conference High-Temperature Plasma Diagnostics, 2012-05
  • A new frequency-multiplied interrferometer system in the GAMMA 10 tandem mirror
    Hirata Mafumi
    Review of Scientific Instruments/83/p.10E310, 2012-10
  • Improvement of ICRF Antenna Loading in the Minimum-B Configuration on GAMMA 10
    YOKOYAMA Takuro; ICHIMURA Makoto; IKEZOE Ryuya; UGAJIN Yumet...
    Plasma and Fusion Research/7/pp.2402136-2402136, 2012-10
  • Electron Cyclotron Resonance Heating for Plug/Barrier Potential Formation in GAMMA 10
    Y.Kiwamoto; T.Cho; H.Gotoh; M.Hirata; T.Kariya; T.Kondoh; H.Mas...
    International Atomic Energy Agency Technical Committee Meeting on Mirror Fusion Research/p.20, 1985-07
  • Active control of internal transport barrier formation due to off-axis electron-cyclotron heating in GAMMA 10 experiments
    Cho T.; Pastukhov V. P.; Horton W.; Numakura T.; Hirata M.; Ko...
    PHYSICS OF PLASMAS/15(5)/pp.0-0, 2008-05
  • Recent Progress in the GAMMA 10 Tandem Mirror
    M. Hirata; and GAMMA 10 Group
    CURRENT TRENDS IN INTERNATIONAL FUSION RESEARCH: Proceedings of the 7th Symposium - Selected Presentations/1154/pp.73-74, 2009-01
  • Improvement of Plasma Performance by Strong ECH with High Power Gyrotron
    T. Imai; R. Minami; T.Kariya; T.Cho; M.Ichimura; M.Hirata; J....
    Annual Report of National Institute for Fusion Science/April 2007-March 2008/p.208, 2008-01
  • Operation Characteristics of Microwave Sources Based on Slow-Wave Interactions in Rectangular Corrugations
    TAKAMURA Yuki; KAZAHARI Yusuke; OE Hiroaki; OGURA Kazuo; ...
    Plasma and Fusion Research/3(0)/pp.0-0, 2008-01
  • Particle Separation of End Flux of GAMMA10 Tandem Mirror Using a Slanted Type CUSPDEC
    H. Takeno; Y. Yasaka; Y. Tomita; M. Ishikawa; Y. Nakashi...
    Annual Report of National Institute for Fusion Science/April 2006-March 2007/p.486, 2007-10
  • Improvement of Plasma Performance by Strong ECH with High Power Gyrotron
    T. Imai; R. Minami; T. Cho; Y. Tatematsu; M. Ichimura; M....
    Annual Report of National Institute for Fusion Science/April 2006-March 2007/p.215, 2007-10
  • X-ray Tomography Systems for Observations of Electron Cyclotron Heated Plasmas Using Novel Position-Sensitive X-ray Semiconductor-Detector Arrays
    T. Numakura; T. Cho; J. Kohagura; M. Hirata; Y. Tomii; S....
    Nuclear Instruments and Methods in Physics Research A/573(1-2)/pp.53-56, 2007-04
  • A novel position-sensitive ion-current detector array using a self-collection method for secondary-electron suppression
    Hirata M.; Miyake Y.; Shimizu K.; Cho T.; Numakura T.; It...
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT/573(1-2)/pp.34-37, 2007-04
  • A Novel Position-Sensitive Ion-Current Detector Array Using A Self-Collection Method for Secondary-Electron Suppression
    M. Hirata; Y. Miyake; K. Shimizu; T. Cho; T. Numakura; M. Ito; ...
    Nuclear Instruments and Methods in Physics Research A/573(1-2)/pp.34-37, 2007-04
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