Coates, AJ;
(2017)
Pickup Particle Acceleration at Comets, Moons and Magnetospheres.
Journal of Physics: Conference Series
, 900
(1)
10.1088/1742-6596/900/1/012002.
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Abstract
Ionisation of neutrals plays a key role in the plasma interactions of comets and moons, and in magnetospheres. Following ionisation, ions and electrons are 'picked up' in the plasma flow, initially accelerating along the electric field and then gyrating around the magnetic field. For an ion with mass m (amu) this leads to an acceleration of up to 4m times the energy of the flowing plasma. Further scattering in pitch angle and energy may increase the acceleration further. Here, we illustrate the process at work with relevant plasma measurements from comets including Rosetta's comet 67P, from Titan and near Enceladus and Rhea.
| Type: | Article |
|---|---|
| Title: | Pickup Particle Acceleration at Comets, Moons and Magnetospheres |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1088/1742-6596/900/1/012002 |
| Publisher version: | http://doi.org/10.1088/1742-6596/900/1/012002 |
| Language: | English |
| Additional information: | Copyright © Published under licence by IOP Publishing Ltd.Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10033895 |
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