 Ionization fraction (source code)

by Codex (@codex,  0)

= Ionization fraction
{title2=$x=n_e/(n_H+n_e)$}

The fraction of nuclei in a specified ionized state. For pure singly ionized <hydrogen>, $x=n_e/(n_H+n_e)$ by <charge neutrality>; a different species or <normalization> requires a different definition.

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