name: Xe
formula: Xe
primary: M132
sigma_100eV	=	5.5	# from https://descanso.jpl.nasa.gov/SciTechBook/series1/Goebel_AppD_IonizationCross.pdf
sigma_70eV	=	5.1	# from https://descanso.jpl.nasa.gov/SciTechBook/series1/Goebel_AppD_IonizationCross.pdf
