Fano line shapes in predissociation

Abstract
The absorption line shapes for C+ predissociations are examined in the case of an optically active continuum which gives rise to Fano profiles. Using the model of linear potentials at the crossing point, all relevant parameters are obtained analytically from the appropriate Green’s function. It is shown that the energy dependence of linewidths and energy shifts has important effects on these profiles, introducing sometimes new zeros or peaks in the classical Fano profile.

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