average_A_target#
- MCEq.misc.average_A_target(mat='auto')[source]#
Average target mass number.
For air <A> = 14.6568 (using mass fractions from https://en.wikipedia.org/wiki/Atmosphere_of_Earth) Other media supported are co2, rock, ice, water, and hydrogen.
- Parameters:
mat – str or float, optional Interaction medium or custom target mass number. Default is “auto”.
- Returns:
- float
Average target mass number.
- Raises:
ValueError – If mat is not a valid option.