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Spatial and Temporal Structures in the Vicinity of the Earth’s Tail Magnetic Separatrix Cluster Observations

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The Cluster Active Archive

Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP))

Abstract

The processes of non-adiabatic particle acceleration occurring in the vicinity of magnetic neutral lines produce highly accelerated (up to 2,500 km/s) field-aligned ion beams. Ion beams are usually observed in the Plasma Sheet Boundary Layer (PSBL) i.e. in the vicinity of magnetic separatrix between open and closed magnetic field lines. These acceleration processes have different spatial and temporal scales depending on the topology of the magnetic field and local plasma conditions in the Current Sheet (CS) and their peculiarities produce distinct manifestations in various characteristics of accelerated PSBL ion structures. Multipoint Cluster observations have led to a new understanding of these phenomena since they give an opportunity to separate spatial and temporal effects in registration of accelerated plasma structures.

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Acknowledgements

The authors would like to thank Cluster CIS and FGM teams for providing data, Dr. C. Owen for providing electron data. This work was supported by INTAS grant Nr. 06–1000017–8943; RFBR grants Nr. 06–02–72561; 07–02–00319 and by grant of HIII-472.2008.2.

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Authors and Affiliations

  1. Space Research Institute of RAS, Moscow, Profsoyuznaya str, 84/32, Russia

    E. E. Grigorenko, L. M. Zelenyi & M. S. Dolgonosov

  2. Centre d’Etudie Spatial des Rayonnements, Toulouse cedex4, France

    J.-A. Sauvaud

Authors
  1. E. E. Grigorenko
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  2. L. M. Zelenyi
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  3. M. S. Dolgonosov
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  4. J.-A. Sauvaud
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Corresponding author

Correspondence to E. E. Grigorenko .

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Editors and Affiliations

  1. European Space Research &, European Space Agency, Keplerlaan 1, Noordwijk, 2200 AG, Netherlands

    Harri Laakso

  2. ESTEC/SRE-S, European Space Agency, Noordwijk, 2200 AG, Netherlands

    Matthew Taylor

  3. ESTEC/SRE-S, European Space Agency, Noordwijk, 2200 AG, Netherlands

    C. Philippe Escoubet

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Grigorenko, E.E., Zelenyi, L.M., Dolgonosov, M.S., Sauvaud, JA. (2010). Spatial and Temporal Structures in the Vicinity of the Earth’s Tail Magnetic Separatrix Cluster Observations. In: Laakso, H., Taylor, M., Escoubet, C. (eds) The Cluster Active Archive. Astrophysics and Space Science Proceedings. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3499-1_31

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  • DOI: https://doi.org/10.1007/978-90-481-3499-1_31

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