Composition changes after the "Halloween" solar proton event: the High-Energy Particle Precipitation in the Atmosphere (HEPPA) model versus MIPAS data intercomparison study
B. Funke, A. Baumgaertner, M. Calisto, T. Egorova, C. H. Jackman, J. Kieser, A. Krivolutsky, M. López-Puertas, D. R. Marsh, T. Reddmann, E. Rozanov, S.-M. Salmi, M. Sinnhuber, G. P. Stiller, P. T. Verronen, S. Versick, T. von Clarmann, T. Y. Vyushkova, N. Wieters, and J. M. Wissing