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Triply differential photoelectron studies of resonances in molecular photoionization

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
 [1];  [1];  [2]
  1. Argonne National Laboratory (ANL), Argonne, IL (United States)
  2. National Bureau of Standards, Gaithersburg, MD (United States), Synchrotron Ultraviolet Radiation Facility

Shape and autoionizing resonances are central to the study of molecular photoionization for various reasons, the most obvious one being that they are usually displayed prominently against nonresonant behavior in such observables as the total photoionization cross section, photoionization branching ratios, and photoelectron angular distributions. More importantly, the study of resonant features has repeatedly led to a deeper physical insight into the mechanisms of excitation, resonant trapping of the photoelectron, and decay of the excited complex that occur during the photoionization process. A major impetus has been provided in this area by the ability to freely probe resonances throughout the ionization continuum with synchrotron radiation and to perform angle-resolved photoelectron spectrometry on the ejected electrons. Selected examples will serve to illustrate the recent progress and the prospects of this stream of work.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; Office of Naval Research
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
1169915
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms, Journal Name: Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms Vol. 10-11; ISSN 0168-583X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English