Bremsstrahlung linear polarization
A general quantitative description is given of the bremsstrahlung linear polarization on the basis of experimental data and theoretical calculations. The results give the dependence of the polarization on: the initial electron kinetic energy at 10/sup -2/ to 10/sup 3/ Mev; the photon energy from 0.1 T/sup 0/ to T/ sup 0/; the photon emission angle at 0 to 180 degrees, and the atomic number of the target from 4 to 79. The experimental data were obtained for electron energies of 0.05 to 1.0 Mev with beryllium, aluminum, and gold targets. Theoretical estimates of the polarization were calculated from the SommerfeldKirkpatrick-Wiedmann results for the non-relativistic energy region, the Olson-Maximon results for the extreme relativistic energy region, and the GlucksternHull (Born approximation) results for the intermediate energy region. Results are expressed in terms of the peak polarization and the corresponding peak angle as a function of the electron and photon energies. Best estimates of the polarization are given on the basis of the combined experimental and theoretical data.
- Research Organization:
- National Bureau of Standards, Washington, D.C.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-14-013270
- OSTI ID:
- 4192279
- Journal Information:
- Nuovo Cimento, Journal Name: Nuovo Cimento Journal Issue: 4 Vol. 15; ISSN 0029-6341
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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