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Journal Articles Journal of Instrumentation Year : 2016

Importance of energy and angular resolutions in top-hat electrostatic analysers for solar wind proton measurements

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1
R. de Marco
  • Function : Author
M. F. Marcucci
  • Function : Author
R. Bruno
  • Function : Author
R. d'Amicis
  • Function : Author
S. Servidio
  • Function : Author
F. Valentini
M. Salatti
  • Function : Author

Abstract

We use a numerical code which reproduces the angular/energy response of a typical top-hat electrostatic analyser starting from solar wind proton velocity distribution functions (VDFs) generated by numerical simulations. The simulations are based on the Hybrid Vlasov-Maxwell numerical algorithm which integrates the Vlasov equation for the ion distribution function, while the electrons are treated as a fluid. A virtual satellite launched through the simulation box measures the particle VDFs. Such VDFs are moved from the simulation Cartesian grid to energy-angular coordinates to mimic the response of a real sensor in the solar wind. Different energy-angular resolutions of the analyser are investigated in order to understand the influence of the phase-space resolution in existing and upcoming space missions, with regards to determining the key parameters of plasma dynamics.
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Dates and versions

insu-03675405 , version 1 (23-05-2022)

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R. de Marco, M. F. Marcucci, R. Bruno, R. d'Amicis, S. Servidio, et al.. Importance of energy and angular resolutions in top-hat electrostatic analysers for solar wind proton measurements. Journal of Instrumentation, 2016, 11, pp.C08010. ⟨10.1088/1748-0221/11/08/C08010⟩. ⟨insu-03675405⟩
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