Assessment of the particle radiation environment at L1 and near-Earth space

Laurenza, M. and Alberti, T. and Marcucci, M. F. and Consolini, G. and Jacquey, C. (2019) Assessment of the particle radiation environment at L1 and near-Earth space. Il nuovo cimento C, 42 (1). pp. 1-3. ISSN 1826-9885

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Abstract

We investigated the particle radiation environment at the Lagrangian point L1 and in the near-Earth space by performing a systematic analysis of the proton flux data recorded by the EPAM and CPME particle instruments, aboard ACE and IMP-8 in the energy range ∼0.05-5 MeV and 0.29-440 MeV, respectively. We computed the cumulative distribution functions for all the energy channels of each instrument and studied the radiation variation with respect to solar activity. We obtained energetic proton spectra at 90% cumulative probability for different time periods and determined the worst case scenario, which can be used for operational purposes of the ATHENA mission and for Space Weather related hazards.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 27 Nov 2020 14:19
Last Modified: 27 Nov 2020 14:19
URI: http://eprints.bice.rm.cnr.it/id/eprint/20408

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