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Untersuchung der Polarisationsebene von Photonen nach Compton-Streuung an polarisierten Elektronen

Investigation of the polarization plane of photons after Compton scattering by polarized electrons

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Zeitschrift für Physik A Hadrons and nuclei

Abstract

Two polarization phenomena in Compton scattering by polarized electrons were investigated.

In the first experiment, the rotation of the polarization plane of photons passing through magnetized iron and gadolinium was measured. This effect arises from a spin dependence of the Compton forward scattering amplitude. For 228 and 333 keV photons and iron absorbers, the observed rotation angles areφ 0=(3.90±0.57) ×10−3 rad · cm−2 and (4.75±0.58)×10−3 rad · cm−2, respectively.

Secondly, the orientation of the photon polarization plane after scattering of unpolarized photons by polarized electrons was measured.

This experiment tests time reversal invariance in quantum electrodynamics.

No dependence of the polarization plane on the direction of the electron spin was found within 2×10−3.

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Authors and Affiliations

  1. Institut für Experimentelle Kernphysik der Universität und des Kernforschungszentrums Karlsruhe, Deutschland

    P. Bock & P. Luksch

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  1. P. Bock
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  2. P. Luksch
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Bock, P., Luksch, P. Untersuchung der Polarisationsebene von Photonen nach Compton-Streuung an polarisierten Elektronen. Z. Physik 263, 147–168 (1973). https://doi.org/10.1007/BF01402164

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  • DOI: https://doi.org/10.1007/BF01402164

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