KOHAGURA Junko

Researcher's full information

Articles
  • Relation of the Spatial Profile of Ion Confining Potentials with the Improvement in Plasma Confinement Using Novel Ion-Energy Spectrometer Arrays in GAMMA 10
    M. Yoshida; T. Cho; M. Hirata; S. Nagashima; H. Ito; J. ...
    Transactions of Fusion Science and Technology/43(1T)/p.289-291, 2003-01
  • A Proposal for both Plasma Ion- and Electron-Temperature Diagnostics under simultaneous Incidence of Particles and X-rays into a Semiconductor on the Basis of a Proposed Model for a Semiconductor Detector Response
    T. Numakura; T. Cho; J. Kohagura; M. Hirata; R. Minami; M...
    Plasma Physics and Controlled Fusion/45(5)/p.807-821, 2003-01
  • Review of Experiments on the GAMMA 10 Tandem Mirror
    K. Yatsu; T. Cho; H. Higaki; M. Hirata; H. Hojo; M. Ichi...
    Transactions of Fusion Science and Technology/43(1T)/p.10-15, 2003-01
  • Recent Results of High Density Experiments in the GAMMA 10 Tandem Mirror
    Y. Nakashima; T. Cho; T. Fukasawa; H. Higaki; M. Hirata; ...
    Transactions of Fusion Science and Technology/43(1T)/p.135-141, 2003-01
  • Ultra-Short Pulse Refrectometry in the GAMMA 10 Device
    A. Itakura; T. Hirai; H. Hojo; J. Kohagura; Y. Shima; S. ...
    Transacions of Fusion Science and Technology/43(1T)/p.243-247, 2003-01
  • Production of High Density Plasmas with High Harmonic Fast Waves in the GAMMA 10 Tandem Mirror
    M. Ichimura; T. Cho; H. Higaki; M. Hirata; H. Hojo; K. Horinou...
    IEEE Transactions on Plasma Science/32(1)/p.161-166, 2004-01
  • Study of Impurity Ion radiation intensities using collisional-radiative model in the GAMMA 10 plasma
    M. Yoshikawa; K. Sedo; Y. Kubota; T. Kobayashi; A. Itakura; J....
    Journal of Plasma and Fusion Research SERIES/6/pp.685-688, 2004-01
  • A Scaling Law of Plasma Confining Potential Formation with Electron Cyclotron Heating Powers in GAMMA 10
    T. Numakura; T. Cho; J. Kohagura; M. Hirata; T. Fukai; M. Yosh...
    Transactions of Fusion Science and Technology/47(1T)/pp.100-103, 2005-01
  • Ha MEASUREMENTS IN THE PLUG/BARRIER CELLS OF THE TANDEM MIRROR GAMMA 10
    M. Yoshikawa; M. Saito; Y. Kubota; T. Kobayashi; Y. Naka...
    Transactions of Fusion Science and Technology/47(1T)/p.339-341, 2005-01
  • Progress in Potential Formation and Findings in the Associated Radially Sheared Electric-Field Effects on the Suppression of Intermittent Turbulent Vortex-like Fluctuations and Transverse Losses
    T. Cho; GAMMA 10 Group; V. P. Pastukhov; 61 Collaborators fr...
    Annual Report of National Institute for Fusion Science/April 2004-March 2005/p.462, 2005-11
  • Evidence Against Existing X-ray-Energy Response Theories for Silicon-Surface-Barrier Semiconductor Detectors
    T.Cho; E.Takahashi; M.Hirata; N.Yamaguchi; T.Teraji; K.Matsuda...
    Physical Review/A46(6)/p.3024-3027, 1992-09
  • Development and Characterization of Silicon Semiconductor X-ray Detectors for Plasma Diagnostics
    T.Cho; M.Hirata; J.Kohagura; E.Takahashi; Y.Sakamoto; K.Yatsu; ...
    Review of Scientific Instruments/66(1)/p.543-545, 1995-01
  • Plasma Diagnostics Using Vacuum Ultraviolet Radiation and Soft X-rays in the GAMMA 10 Tandem Mirror Device
    M.Hirata; T.Cho; J.Kohagura; Y.Sakamoto; S.Kanke; K.Takahashi; ...
    Journal of Electron Spectroscopy and Related Phenomena/80/p.275-278, 1996-01
  • Study of Relations between the Spatial Structure of Potential-Trapped Electron Distribution Functions and the Physics Scaling Law of Plasma Confining Potentials
    M. Hirata; T. Cho; J. Kohagura; T. Numakura; T. Fukai; N. Yoko...
    Annual Report of National Institute for Fusion Science/April 2004-March 2005/p.463, 2005-11
  • Simultaneous Measurements of Ion and Electron Currents Using a Novel Compact Electrostatic End-Loss-Current Detector
    M. Hirata; Y. Miyake; T. Cho; J. Kohagura; T. Numakura; K. Shi...
    Review of Scientific Instruments/77(10)/p.10E719-1-3, 2006-10
  • Progress in Potential Formation and Radial-Transport-Barrier Production for Turbulence Suppression and Improved Confinement in GAMMA 10
    T. Cho; H. Higaki; M. Hirata; H. Hojo; M. Ichimura; K. Ishii; K...
    21st IAEA Fusion Energy Conference/pp.IAEA-CN--149/EX/P7-, 2006-10
  • Effects of Plasma Confining Potentials and the Associated Radially Sheared Electric Fields on the Plasma Energy Confinement
    T. Numakura; T. Cho; J. Kohagura; M. Hirata; Y. Miyata; R. Min...
    Transactions of Fusion Science and Technology/51(2T)/pp.343-345, 2007-02
  • Investigation of Electron Distribution Functions in the Plug Region of the GAMMA 10 Tandem Mirror
    J. Kohagura; T. Cho; M. Hirata; T. Numakura; Y. Tomii; S. Kimi...
    Transactions of Fusion Science and Technology/51(2T)/pp.204-207, 2007-02
  • Study of the Effects of Plasma-Confining Potentials Using End-Loss Analysing Systems
    M. Hirata; T. Cho; J. Kohagura; T. Numakura; K. Shimizu; M. It...
    Transactions of Fusion Science and Technology/51(2T)/pp.183-185, 2007-02
  • Overview of Recent Progress in the GAMMA 10 Tandem Mirror
    T. Cho; H. Higaki; M. Hirata; H. Hojo; M. Ichimura; K. Ishii; K...
    Transactions of Fusion Science and Technology/51(2T)/pp.11-16, 2007-02
  • 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
  • Potential formation and high density plasma production on the tandem mirror GAMMA 10
    K. Yatsu; T. Cho; H. Higaki; M. Ichimura; K. Ishii; Y. I...
    Czechoslovak J. Phys./52(10)/p.1143-1148, 2002-10
  • Plasma Confinement in the GAMMA 10 Tandem Mirror.
    K.Yatsu; L.G.Bruskin; T.Cho; M.Hamada; M.Hirata; H.Hojo; M.Ichi...
    Nuclear Fusion/39(11Y)/p.1707-1712, 1999-01
  • Progress in High Density Experiments with Potential Confinement on GAMMA10
    K.Yatsu; T.Cho; M.Hirata; H.Hojo; M.Ichimura; K.Ishii; A.Itakur...
    Transactions of Fusion Technology/39(1T)/p.3-9, 2001-01
  • Potential Confinement of a high density plasma in the GAMMA10 Tandem Mirror
    K.Yatsu; T.Cho; M.Ichimura; K.Ishii; A.Itakura; Y.Ishimoto; I.K...
    Czechoslovak Journal of Physics/51(10)/p.977-982, 2001-01
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