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  1. Article

    Open Access

    First measurements of p11B fusion in a magnetically confined plasma

    Proton-boron (p11B) fusion is an attractive potential energy source but technically challenging to implement. Develo** techniques to realize its potential requires first develo** the experimental capability t...

    R. M. Magee, K. Ogawa, T. Tajima, I. Allfrey, H. Gota in Nature Communications (2023)

  2. Article

    Open Access

    Observation of significant Doppler shift in deuterium-deuterium neutron energy caused by neutral beam injection in the large helical device

    The compact neutron emission spectrometer (CNES) having a tangential sightline was installed to observe a significant Doppler shift of the neutron energy due to the high-energy tangential neutral beam (NB) inj...

    S. Sangaroon, K. Ogawa, M. Isobe, M. I. Kobayashi, Y. Fujiwara, S. Kamio in AAPPS Bulletin (2022)

  3. No Access

    Article

    Explosive Events: Swirling Transition Region Jets

    In this paper, we extend our earlier work to provide additional evidence for an alternative scenario to explain the nature of events called ‘explosive events’. The bidirected, fast Doppler motion of explosive ...

    W. Curdt, H. Tian, S. Kamio in Solar Physics (2012)

  4. No Access

    Article

    Long-Term Variation of the Corona in Quiet Regions

    Using Hinode EUV Imaging Spectrometer (EIS) spectra recorded daily at Sun center from the end of 2006 to early 2011, we studied the long-term evolution of the quiet corona. The light curves of the higher temperat...

    S. Kamio, J. T. Mariska in Solar Physics (2012)

  5. No Access

    Article

    Modeling of EIS Spectrum Drift from Instrumental Temperatures

    An empirical model has been developed to reproduce the drift of the spectrum recorded by the EIS on Hinode using instrumental temperatures and relative motion of the spacecraft. The EIS spectrum shows an artifici...

    S. Kamio, H. Hara, T. Watanabe, T. Fredvik, V. H. Hansteen in Solar Physics (2010)