XTUBE_W
Function
To calculate the spectrum of a tungsten x-ray tube for voltages in the
30-140 kV interval.
Documentation
Reference:
JM Boone
and JA Seibert (1997) "An accurate method for computer- generating
tunsten anode x-ray spectra from 30 to 140 kV", Medical Physics 24(11)
pp.1661-1670