On Friday 24 April 2009 11:28:16 Jacob Keller wrote: > Dear Dr. Holton and CCP4BBers, > > Are you saying that a resonant event is always accompanied by a fluorescence > event? If that were true, wouldn't the resonant event end up manifesting as > *negative* scattering component from the resonant atom, due to the > elimination of an otherwise-scattered photon, this making the resonant atom > "darker" than would be expected?
Yes. That is why the real component of the scattering factor, f', is negative. -- Ethan A Merritt Biomolecular Structure Center University of Washington, Seattle 98195-7742
