Creation of coherent states in molecules by incoherent electrons

http://ift.tt/eA8V8J Coherent states of negative ion resonances in electron-molecule interaction are observed in experiments on e -- H2 and e -- D2 reactions. A forward-backward asymmetry is observed in the ejection of H- ions from H2 in this reaction, whereas the asymmetry in D- from D2 is weaker, but changes direction with electron energy. These results arise from attachment of a single electron to a molecule forming coherent superposition of odd and even parity states of negative ions.

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