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SUMMARY:Covariance-map imaging: a new tool for chemical dynamics studies -
  Prof Claire Vallance\, Department of Chemistry\, University of Oxford
DTSTART:20210126T140000Z
DTEND:20210126T150000Z
UID:TALK156127@talks.cam.ac.uk
CONTACT:David Madden
DESCRIPTION:Over the past twenty years or so\, velocity-map imaging has re
 volutionised experimental work in the field of chemical reaction dynamics 
 by allowing the complete scattering distribution for a chosen reaction pro
 duct to be imaged directly in the gas phase in a single measurement. The t
 echnique has provided fascinating and often quantum-state resolved insight
 s into the mechanisms of a wide variety of photochemical and bimolecular r
 eactions.\n\nThe development of universal ionization methods and ultrafast
  time-of-flight imaging sensors has ushered in the era of multi-mass veloc
 ity-map imaging\, in which multiple reaction products can be imaged in a s
 ingle experiment. As well as offering a vast reduction in data acquisition
  time\, multi-\nmass imaging data sets can be analysed using a statistical
  data processing technique known as covariance analysis or covariance mapp
 ing to reveal correlations amongst the reaction products.\n\nThis talk wil
 l provide an introduction velocity-map imaging and covariance mapping\, an
 d will show how these techniques can be used to unravel complex multi-step
  reaction mechanisms and to provide information on gas-phase molecular str
 uctures.
LOCATION:via zoom - please contact David Madden for the zoom link
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