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Artículo
A forward model for the helium plume effect and the interpretation of helium charge exchange measurements at ASDEX Upgrade
(IOP Science, 2018-03-23)
The analysis of the charge exchange measurements of helium is hindered by an additional emission contributing to the spectra, the helium ‘plume’ emission (Fonck et al 1984 Phys. Rev. A 29 3288), which complicates the ...
Artículo
Qualification and implementation of line ratio spectroscopy on helium as plasma edge diagnostic at ASDEX Upgrade
(IOP Publishing, 2018)
A new thermal helium beam diagnostic has been implemented as plasma edge diagnostic at the ASDEX Upgrade (AUG) tokamak. The helium beam is built to measure the electron density ne and temperature Te simultaneously with ...
Artículo
Experimental conditions to suppress edge localised modes by magnetic perturbations in the ASDEX Upgrade tokamak
(IOP Publishing, 2018)
Access conditions for full suppression of edge localised modes (ELMs) by magnetic perturbations (MP) in low density high confinement mode (H-mode) plasmas are studied in the ASDEX Upgrade tokamak. The main empirical ...