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Photoelectron angular distributions in resonant multiphonon ionization of atoms

  • Lasers in Atomic Physics
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Journal of Soviet Laser Research Aims and scope

Conclusions

It has been demonstrated that photoelectron angular distributions in resonant multiphoton ionization depend critically on the angular momentum quantum numbers of the intermediate state. This should help to interpret the spectra of atoms more complex than alkalies. In addition, information about the matrix elements for the bound-free transition can be obtained which is not available if the angle-integrated ionization cross section is measured. Reliable cross sections for photoionization out of excited atomic states are very important for astrophysics, but so far only a few laboratory data are available. The interpretation of some of these data is not straightforward, however, because of lack of knowledge about the degree of alignment of the atoms in the excited state. This problem can be solved either by optically pumping the atom into only one magnetic sublevel [24] or by measuring the photoelectron angular distribution in addition to the absolute cross section.

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Authors
  1. G. Leuchs
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  2. S. J. Smith
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Additional information

Sektion Physik der Universitat München, D-8046 Garching, FRG. JILA Visiting Fellow, 1980–1981. Joint Institute for Laboratory Astrophysics, National Bureau of Standards and University of Colorado, Boulder, Colorado 80309. Published in Primenenie Lazerov v Atomnoi, Molekulyarnoi i Yadernoi Fiziki-Trudy II Vsesoyuznoi Shkoly, pp. 12–23, 1981.

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Leuchs, G., Smith, S.J. Photoelectron angular distributions in resonant multiphonon ionization of atoms. J Russ Laser Res 6, 296–303 (1985). https://doi.org/10.1007/BF01125056

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  • DOI: https://doi.org/10.1007/BF01125056

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