Laser control of unimolecular decay yields in the presence of collisions

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Abstract
We show that coherent light can be used to control the relative product yield in unimolecular photodissociation, even in the presence of collisions. That is, coherence contributions to the photodissociation, which are responsible for control over the reaction, are sufficiently robust to survive inhomogeneous broadening effects over a substantial temperature range. A number of experimental implementations for control in the presence of collisions are proposed.