Light-induced collisional energy transfer

These light-induced collisional energy transfer (LICET) may occur when a col-  

The first experimental realization of light-induced collisional energy 

After the atoms have separated, a ground state Sr atom and an excited Ca atom 2 1 

This LICET process may be described in the potential curve diagram of the 

The theoretical treatment [12.38] shows that for dipole-dipole interaction the maximum cross section for light-induced energy transfer occurs at a laser wavelength Xj such that energy conservation is satisfied for the infinitely separated atoms. This implies for the situation in Fig.12.19 that 

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Ph. Cahuzac and P. E. Toschek, Observation of light-induced collisional energy transfer, Phys. Rev. Lett. 40 1087 (1978). 

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