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  • Exploration of ion temperature profile measurements at JET using the upgraded neutron profile monitor
    Marocco, A. U. ...
    The neutron profile monitor (NPM), routinely used at the Joint European Torus for neutron emissivity profile measurements, consists of two fan-shaped arrays of collimators and each line of sight ... (LOS) is equipped with a NE213 liquid organic scintillator for simultaneous measurements of the 2.5 MeV and 14 MeV neutrons. A digital system developed in ENEA has replaced the analog acquisition electronics and now enables the NPM to perform spatially resolved neutron spectrometry by providing neutron pulse height spectra (PHS) for each LOS. However, the NPM was not originally designed as a spectrometer and, therefore, lacks several key features, such as detailed measurements of the detector response functions and the presence of detector stability monitors. We present a proof of principle of ion temperature profile measurements derived from the NPM PHS in high plasma current discharges using simulated detector response functions
    Source: Invited papers (Iss. 10, Vol. 83, 2012, 3 str.)
    Type of material - conference contribution
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 26855975
    DOI

source: Invited papers (Iss. 10, Vol. 83, 2012, 3 str.)
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