[MOS] Ed Grant, Purdue University, April 6

[Vinnie Russo]

Dear Colleagues,

The G.R. Harrison Spectroscopy Laboratory and the Department of Electrical 
Engineering and Computer Science would like to invite you to the next 
seminar in our series on Modern Optics and Spectroscopy.

Date & Time:    Tuesday, April 6, 12 noon  1 PM

Location:               Grier Room (34-401)

Speaker:                Ed Grant, Purdue University

Title:          Frequency Domain Observations of Electron Orbital - 
Rovibrational Coupling

Refreshments will be served following the talk.


Abstract:

Ed Grant, Purdue University
Frequency Domain Observations of Electron Orbital - Rovibrational Coupling
Electronic relaxation encountered in molecules excited to levels near and 
above their first ionization thresholds presents a particularly 
well-defined problem in non-Born-Oppenheimer dynamics.  Here, 
intramolecular energy transfer that leads to electron ejection or electron 
capture can be conveniently framed in terms of coupling between 
approximately separable orbital-electronic and cation-core internal degrees 
of freedom.  These dynamics are important because they are universal; all 
molecules ionize.  Specific interactions encountered in this regime relate 
to the elementary dynamics of electron transfer, and connect directly with 
theories of electron-cation inelastic scattering.  This talk will present 
the results of new experiments in the frequency domain that use double- and 
triple-resonance spectroscopy to measure line shapes and positions which 
have been altered by the coupling of electron orbital motion with vibration 
and rotation in the simple molecules, BH, HCO and NO2.


Vinnie Russo * vrusso at mit.edu  *  Office Manager
MIT; G.R. Harrison  Spectroscopy Laboratory
77 Mass. Ave., 6-014  *  Cambridge, MA  02139
(v) 617-253-9774  *  (f) 617-253-4513
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