Recent Developments in Particle Acceleration at Shocks: Theory and Observations.

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Title: Recent Developments in Particle Acceleration at Shocks: Theory and Observations.
Authors: Perri, Silvia1 (AUTHOR) silvia.perri@fis.unical.it, Bykov, Andrei2 (AUTHOR), Fahr, Hans3 (AUTHOR), Fichtner, Horst4 (AUTHOR), Giacalone, Joe5 (AUTHOR)
Source: Space Science Reviews. Jun2022, Vol. 218 Issue 4, p1-40. 40p.
Subjects: Particle acceleration, Interplanetary medium, Solar wind, Solar corona, Heliosphere, Computer simulation, Cosmic rays
Abstract: Energetic particles represent an important component of the plasma in the heliosphere. They range from particles accelerated at impulsive events in the solar corona and at large scale structures in the interplanetary medium, to anomalous cosmic rays accelerated at the boundaries of the heliosphere. In-situ satellite observations, numerical simulations and theoretical models have advanced, often in a cooperative way, our knowledge on the acceleration processes involved. In this paper we review recent developments on particle acceleration, with major emphasis on shock acceleration, giving an overview of recent observations at interplanetary shocks and at the termination shock of the solar wind. We discuss their interpretation in terms of analytical models and numerical simulations. The influence of the particle transport properties on the acceleration mechanism will also be addressed. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:Energetic particles represent an important component of the plasma in the heliosphere. They range from particles accelerated at impulsive events in the solar corona and at large scale structures in the interplanetary medium, to anomalous cosmic rays accelerated at the boundaries of the heliosphere. In-situ satellite observations, numerical simulations and theoretical models have advanced, often in a cooperative way, our knowledge on the acceleration processes involved. In this paper we review recent developments on particle acceleration, with major emphasis on shock acceleration, giving an overview of recent observations at interplanetary shocks and at the termination shock of the solar wind. We discuss their interpretation in terms of analytical models and numerical simulations. The influence of the particle transport properties on the acceleration mechanism will also be addressed. [ABSTRACT FROM AUTHOR]
ISSN:00386308
DOI:10.1007/s11214-022-00892-5