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10  G. ROBERTS






















































                               Figure 1.4. Experimental and theoretical femtosecond spectroscopy of IBr
                               dissociation. Experimental ionisation signals as a function of pump-probe time
                               delay for different pump wavelengths given in (a) and (b) show how the time
                               required for decay of the initally excited molecule varies dramatically according to
                               the initial vibrational energy that is deposited in the molecule by the pump laser.
                               The calculated ionisation trace shown in (c) mimics the experimental result
                               shown in (b).
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