A method and apparatus is described for separating gas molecules containing one isotope of {TAIL ~ an element} from gas molecules containing other isotopes of {HEAD ~ the same element} in which all of the molecules of the gas are at the same electronic state in their ground state 
A method and apparatus is described for separating gas molecules containing one isotope of { TAIL ~ an element } from gas molecules containing other isotopes of { HEAD ~ the same element } in which all of the molecules of the gas are at the same electronic state in their ground state
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH