Cluster observations of electron acceleration in near-Earth reconnection events

Details Cluster observations of electron acceleration in near-Earth reconnection events Cluster observations of electron acceleration in near-Earth reconnection events

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsm51d..06a&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SM51D-06

Other

7807 Charged Particle Motion And Acceleration, 7835 Magnetic Reconnection (2723, 7526)

Scientific paper

Cluster observations of magnetic reconnection events in the near-Earth magnetotail are studied in detail, in an attempt to answer open questions regarding the acceleration of electrons in the reconnection region, such as the exact location of acceleration. We identify the Cluster positions relative to the X-line throughout the events, by investigation of plasma bulk flow and magnetic field. The events show a wide range of energetic electron flux intensities, both within individual events and between different events. Some of this variation might be understood in terms of spacecraft location relative to the X-line (Inflow region, Outflow region, earthward and tailward of X-line and separatrices). We will also investigate other possible factors such as local time (or YGSM) of observations, concurrent wave activity and overall geomagnetic activity. Both plasma sheet- and lobe-field line reconnection are studied, where differences can be expected. The intensities of energetic electrons (>40 keV) are put into context of those in the plasma sheet, before and after the events.

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