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Problems associated with the measurement of coherence parameters - Superelastic electron scattering by laser-excited Ba-138(...6s6p1P1) atomsMeasurements of superelastic scattering of electrons by laser-excited Ba-138(...6s6p1P1) atoms were carried out. An asymmetry observed has been explained using a model of scattering from a target with finite dimensions. This model employed coherence parameters which were calculated in the distorted-wave approximation. The results indicated that the interpretation of coherence experiments in terms of scattering from a pointlike target can lead to serious errors in the deduction of coherence parameters at low scattering angles.
Document ID
19890055791
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Zetner, P. W. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Trajmar, S. (California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Csanak, G. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Clark, R. E. H. (Los Alamos National Laboratory NM, United States)
Date Acquired
August 14, 2013
Publication Date
June 1, 1989
Publication Information
Publication: Physical Review A - General Physics, 3rd Series
Volume: 39
ISSN: 0556-2791
Subject Category
Atomic And Molecular Physics
Accession Number
89A43162
Distribution Limits
Public
Copyright
Other

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