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Theory of two-photon ionization of cesium

M. R. TeaguePhysics Department, University of Southern California, University Park, Los Angeles, California 90007P. LambropoulosPhysics Department, University of Southern California, University Park, Los Angeles, California 90007D. GoodmansonPhysics Department, University of Southern California, University Park, Los Angeles, California 90007D. W. NorcrossPhysics Department, University of Southern California, University Park, Los Angeles, California 90007

1976en

ABI

Annotatsiya

We present a systematic theoretical analysis of two-photon ionization of cesium in the perturbation-theory regime. Matrix elements from diverse sources, such as quantum-defect theory and model potentials, as well as from experimental oscillator strengths, have been used in the calculation. The results are discussed in the context of recent measurements. In addition to total generalized cross sections (gcs) for linearly polarized light, ratios of gcs for linear to circular polarization, as well as photoelectron spin polarization, have been calculated. The various sets of matrix elements give results which are consistent, given variations that should be expected from the diversity of the sources. The disagreement with experiment, however, persists.

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Identifikatorlar

DOI: 10.1103/physreva.14.1057

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