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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 26, issue 7
Ann. Geophys., 26, 1829–1836, 2008
https://doi.org/10.5194/angeo-26-1829-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 26, 1829–1836, 2008
https://doi.org/10.5194/angeo-26-1829-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.

  02 Jul 2008

02 Jul 2008

Radiation by energetic electrons accelerated by wave-particle interaction: a plausible mechanism for x-ray emission from the Venus mantle

R. Bingham1,2, K. B. Quest3, V. D. Shapiro4, and B. J. Kellett1 R. Bingham et al.
  • 1STFC Rutherford Appleton Lab., Space Science & Technology Dept., Didcot, Oxon., OX11 0QX, UK
  • 2The Physics Department, University of Strathclyde, Glasgow, G4 0NG, Scotland UK
  • 3ECE Department, Univ. of California, San Diego, La Jolla, CA 92093/0407, USA
  • 4Physics Department, Univ. of California, San Diego,La Jolla, CA 92093/0319, USA

Abstract. In this paper it is argued that recently observed x-ray emission from non-magnetic planets (Dennerl et al., 2002) can be explained as a combination of bremsstrahlung and line K-shell radiation produced by the interaction of energetic electrons with the neutral atmosphere. Numerical simulations show that the modified two stream instability can generate energetic 100 eV electrons that are observed and these electrons can produce x-ray emission.

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