Abstract
view Abstract Citations (8) References (37) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Proton-Electron Bremsstrahlung Polarization: Solar Flare X-Ray and Gamma-Ray Polarization Heristchi, D. Abstract In this paper the polarization of proton-electron bremsstrahlung is studied. The differential cross sections for the emitted photon with linear polarization are obtained by Lorentz transformation of the well-known electron-proton bremsstrahlung. Appreciable polarization occurs near both the low- and high-energy ends of the photon spectrum. It is also shown that the maximum polarization is obtained in the direction perpendicular to the particle trajectory for low-energy photons, the bremsstrahlung in this case being like dipole emission. The resulting polarization from a proton spectrum in a thick target is also given. The degree and direction of the polarization of solar flare X-rays are predicted from the model (spiraling protons in the solar magnetic field). These results are discussed in connection with previously measured values. Publication: The Astrophysical Journal Pub Date: December 1987 DOI: 10.1086/165836 Bibcode: 1987ApJ...323..391H Keywords: Bremsstrahlung; Gamma Ray Astronomy; Solar Electrons; Solar Flares; Solar Protons; Solar X-Rays; Computational Astrophysics; Linear Polarization; Lorentz Transformations; Solar Physics; GAMMA RAYS: GENERAL; POLARIZATION; RADIATION MECHANISMS; SUN: FLARES; SUN: X-RAYS full text sources ADS |
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