Chao, S. D.S. D.ChaoLin, S. H.S. H.Lin2010-10-202018-06-292010-10-202018-06-291999-04http://ntur.lib.ntu.edu.tw//handle/246246/218042en-USCalculation of the cross sections for the (n, l) changing collisions of Rydberg Hydrogen atoms with helium ions.