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Title: Photoelectron angular distributions for near-threshold two-photon ionization of cesium and rubidium atoms

Journal Article · · Phys. Rev. Lett.; (United States)

Photoelectron angular distributions have been measured for nonresonant two-photon ionization of cesium and rubidium atoms just above the ionization threshold. The photoelectron energies ranged from 25 to 100 meV. The results are compared with theoretical estimates based on nonrelativistic atomic wave functions. Initial results are also presented for above-threshold ionization in cesium.

Research Organization:
Physics Department, Auburn University, Auburn, Alabama 36849 and Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
DOE Contract Number:
AC05-84OR21400
OSTI ID:
5940456
Journal Information:
Phys. Rev. Lett.; (United States), Vol. 54:5
Country of Publication:
United States
Language:
English