
%0 Journal Article
%A Hall, B. V. 
%A Shurgalin, M. 
%A Murray, A. J. 
%A MacGillivray, W. R. 
%A Standage, M. C. 
%T Transfer of Angular Momentum in Electron Collisions with Alkali Atoms
%J Australian Journal of Physics
%D 1999/07/15
%V 52
%N 3
%P 515-522
%K 
%R https://doi.org/10.1071/PH98097
%U https://www.publish.csiro.au/paper/PH98097 
%X Measurements of the transfer of angular momentum to rubidium and sodium atoms in collisions with electrons are reported. For excitation of the rubidium 52S1/2&#8211;52 P3/2 transition, it is found that existing first order distorted wave Born approximation calculations show poor agreement with the data and that a model which includes the relativistic interaction between the electrons and the atoms in the potential is needed. For the de-excitation of the sodium 42S1/2 &#8211;32 P3/2 transition, a long standing proposal relating to the sign of the transferred angular momentum is not supported except at small scattering angles. A convergent close coupling calculation displays excellent agreement with the measured data. 
