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Title:Transverse polarization of conversion electrons following beta-decay
Author(s):Bobone, Renato
Department / Program:Physics
Subject(s):transverse polarization
Abstract:The transverse polarization of K-shell conversion electrons following beta-decay in Hg203 was measured by a beta-conversion electron correlation experiment. Transversely polarized K-electrons were energy selected by a double lens magnetic spectrometer with opposite fields for compensation of spin rotation. The focussed beam was scattered at 90° by a gold target oriented at 45° to the spectrometer axis. Coincidence measurements were taken between the right and left scattered electrons and the betas detected normally to the Mott scattering plane. The right/left asymmetry so obtained was first corrected for instrumental asymmetry by a second correlation measurement in which betas in the direction of the spectrometer axis were detected. The right/left coincidence ratio, thus normalized for instrumental asymmetry, was used to calculate the transverse polarization by introducing corrections for depolarization in the source and in the target, and for averaging over solid angles and v/c. The resulting transverse polarization was P (.50 _ .10) (v/c) sin θ.
Issue Date:1960
Genre:Dissertation / Thesis
Other Identifier(s):6248049
Rights Information:© 1960 Renato Bobone
Date Available in IDEALS:2010-08-02

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