Physics
Scientific paper
Mar 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..dmp.x5002g&link_type=abstract
American Physical Society, 41st Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics Volume 55, Number 5,
Physics
Scientific paper
Charge-exchange collisions between highly charged solar wind ions and neutral hydrogen and helium present in heliosphere contribute a significant part of the diffuse X-ray background emissions detected by telescopes in space. The same process is responsible for X-ray emissions observed from comets, moons and planets in the solar system. Underlying physical mechanism is a two-species charge-exchange collision of type A^q+ + B ->A^(q-1)+* + B^+, followed by a cascading radiative decay with emission of energetic photons. We present our calculations of intensity distribution and polarization of heliospheric charge-exchange X-rays and discuss their implications on current models of the heliosphere and the boundary with the local interstellar medium.
Cote` Robin
Gacesa Marko
Kharchenko Vasili
Müller Hans-Reinhard
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