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Extrapolation procedures in Mott electron polarimetryIn standard Mott electron polarimetry using thin gold film targets, extrapolation procedures must be used to reduce the experimentally measured asymmetries A to the values they would have for scattering from single atoms. These extrapolations involve the dependent of A on either the gold film thickness or the maximum detected electron energy loss in the target. A concentric cylindrical-electrode Mott polarimeter, has been used to study and compare these two types of extrapolations over the electron energy range 20-100 keV. The potential systematic errors which can result from such procedures are analyzed in detail, particularly with regard to the use of various fitting functions in thickness extrapolations, and the failure of perfect energy-loss discrimination to yield accurate polarizations when thick foils are used.
Document ID
19920038617
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Gay, T. J.
(Missouri Univ. Rolla, MO, United States)
Khakoo, M. A.
(Missouri Univ. Rolla, MO, United States)
Brand, J. A.
(Missouri Univ. Rolla, MO, United States)
Furst, J. E.
(Missouri Univ. Rolla, MO, United States)
Wijayaratna, W. M. K. P.
(Missouri-Rolla, University Rolla, United States)
Meyer, W. V.
(NASA Lewis Research Center Cleveland, OH; Missouri-Rolla, University, Rolla, United States)
Dunning, F. B.
(Rice University Houston, TX, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1992
Publication Information
Publication: Review of Scientific Instruments
Volume: 63
ISSN: 0034-6748
Subject Category
Instrumentation And Photography
Accession Number
92A21241
Funding Number(s)
CONTRACT_GRANT: NSF PHY-90-0772
Distribution Limits
Public
Copyright
Other

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