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MULTI-ANGLE MEASUREMENT OF EC EMISSION BY FAST ELECTRONS: SENSITIVITY STUDY

    https://doi.org/10.1142/9789814340274_0024Cited by:0 (Source: Crossref)
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    Abstract:

    Multiple angle (0, 10, 20 degrees with respect to the radial direction) and polarization (X, O modes) ECE spectra of JET plasmas with significant Lower Hybrid additional power were obtained with the Oblique ECE diagnostics. Such data have been analyzed with the emission code SPECE that encompasses a multi-Maxwellian model of the fast electron tail driven by Lower Hybrid waves. The model has been used to fit, varying the control parameters, the five experimental signals of the ECE diagnostic aiming to characterize the LH power absorption and driven current.