1 paper
Andreas E. Klinkmueller, Gunnar Haeffler, Dag Hanstorp +5
A Feshbach resonance associated with the 1s3s4s ^{4}S state of He^{-} has been observed in the He(1s2s ^{3}S) + e^- (εs) partial photodetachment cross section. The residual He(1s2s…