2 papers
physics.atom-ph2018
Effective Collision Strengths for Allowed Transitions Among the 5 Degenerate Levels of Atomic Hydrogen
K. M. Aggarwal, R. Owada, A. Igarashi
We report calculations of collision strengths and effective collision strengths for 26 allowed transitions among the 5 degenerate levels of atomic hydrogen for which the cl…
astro-ph.SR2017
Radiative rates and electron impact excitation rates for transitions in He II
K. M. Aggarwal, A. Igarashi, F. P. Keenan +1
We report calculations of energy levels, radiative rates, collision strengths, and effective collision strengths for transitions among the lowest 25 levels of the n <= 5 configurat…