T. Grimm-Bosbach, H.T. Thümmel, et al.
Journal of Physics B
Variational calculations locate and identify resonances and new threshold structures in electron impact excitation of He metastable states, in the region of the 33S and 31S excitation thresholds. A virtual state is found at the 33S threshold.
T. Grimm-Bosbach, H.T. Thümmel, et al.
Journal of Physics B
R.K. Nesbet
Journal of Physics B: Atomic and Molecular Physics
R.K. Nesbet
Physical Review A
R.K. Nesbet
Physical Review A