Verification of Carbon Density Profile Measurements with Charge Exchange Spectroscopy Using Hydrogen and Deuterium Neutral Beams

Access this Article

Author(s)

    • IDA Katsumi
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)
    • YOSHINUMA Mikirou
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)
    • KOBAYASHI Tatsuya
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)
    • FUJIWARA Yutaka
    • National Institute for Fusion Science, National Institutes of Natural Sciences
    • CHEN Jun
    • School of Nuclear Science and Technology, University of Science and Technology of China
    • MURAKAMI Izumi
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)
    • KISAKI Masashi
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)
    • OSAKABE Masaki
    • National Institute for Fusion Science, National Institutes of Natural Sciences|SOKENDAI (The Graduate University for Advanced Studies)

Abstract

<p>Verification of carbon density profile measurements with charge exchange spectroscopy of CVI (Δ<i>n </i>= 8 - 7, <i>λ</i> = 529.2 nm) using hydrogen and deuterium neutral beams is described. This is a key issue in the study of the comparison of the carbon density profile between hydrogen and deuterium plasma, because the hydrogen neutral beams are injected in the hydrogen plasma and the deuterium neutral beams are injected in the deuterium plasma. By applying the precise beam attenuation calculation using precise atomic data, identical carbon density profile is obtained for the plasma with hydrogen beam and deuterium beam. A Verification of the measurement is performed by comparison of carbon density profile measured with charge exchange spectroscopy and increment of electron density profile just after the carbon pellet injection.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 14(0), 1402079-1402079, 2019

    The Japan Society of Plasma Science and Nuclear Fusion Research

Codes

Page Top