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ASTRA Proceedings An open-access journal for refereed proceedings in extraterrestrial research
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Recent measurements of solar energetic particles (SEPs) by multi-spacecraft fleet at 1 AU in various energy ranges are compatible with a not-vanishing first-order anisotropy in pitch-angle of the particles phase-space distribution. By using an analytic model for the time-dependent perpendicular transport, we calculate the effect of an inhomogeneous magnetic turbulence on pitch-angle anisotropy. We find that the transport coefficient scales differently from previous transport models.
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Articles | Volume 2
Articles | Volume 2
https://doi.org/10.5194/ap-2-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/ap-2-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 2
15 Jan 2016
 | 15 Jan 2016

Cross-field transport and pitch-angle anisotropy of solar energetic particles in MHD turbulence

F. Fraschetti

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Short summary
Recent measurements of solar energetic particles (SEPs) by multi-spacecraft fleet at 1 AU in various energy ranges are compatible with a not-vanishing first-order anisotropy in pitch-angle of the particles phase-space distribution. By using an analytic model for the time-dependent perpendicular transport, we calculate the effect of an inhomogeneous magnetic turbulence on pitch-angle anisotropy. We find that the transport coefficient scales differently from previous transport models.
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ASTRA Proceedings

An open-access journal for refereed proceedings in extraterrestrial research

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