Habbal, S. Rifai; Druckmüller, M.; Morgan, H.; Daw, A.; Johnson, J.; Ding, A.; Arndt, M.; Esser, R.; Rušin, V.; Scholl, I.
(2010-01-01)
The inference of electron temperature from the ratio of the intensities of emission lines in the solar corona is valid only when the plasma is collisional. Once collisionless, thermodynamic ionization equilibrium no longer ...