Characteristics and Energy Dependence of Recurrent Galactic Cosmic-Ray Flux Depressions and of a Forbush Decrease with LISA Pathfinder

Galactic cosmic-ray (GCR) energy spectra observed in the inner heliosphere are modulated by the solar activity, the solar polarity and structures of solar and interplanetary origin. A high counting rate particle detector (PD) aboard LISA Pathfinder, meant for subsystems diagnostics, was devoted to t...

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Detalles Bibliográficos
Autores: Armano, M., Baird, J., Bassan, M., Benella, S., Binetruy, P., Born, M., Bortoluzzi, D., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., de Deus Silva, M., Diepholz, I., Dixon, G., Dolesi, R., Fabi, M., Ferraioli, Luigi, Ferroni, V., Finetti, N., Fitzsimons, E. D., Freschi, M., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Laurenza, M., Lobo, J. A., Lloro, I., Liu, L., López Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martín, V., Martín Polo, L., Martino, J., Martín Porqueras, F., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Nofrarias, M., Paczkowski, S., Perreur Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Ramos Castro, J., Reiche, J., Robertson, D. I., Rivas García, Francisco, Russano, G., Sabbatini, F., Slutsky, J., Sopuerta, C. F., Sumner, T., Telloni, D., Texier, D., Thorpe, J. I., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Zweifel, P.
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad Loyola Andalucía
Repositorio:Brújula
OAI Identifier:oai:repositorio.uloyola.es:20.500.12412/4647
Acceso en línea:https://hdl.handle.net/20.500.12412/4647
Access Level:acceso abierto
Palabra clave:Cosmic rays
Instrumentation: interferometers
Interplanetary medium
Solar
Terrestrial relations
Sun: heliosphere
Sun: rotation
Descripción
Sumario:Galactic cosmic-ray (GCR) energy spectra observed in the inner heliosphere are modulated by the solar activity, the solar polarity and structures of solar and interplanetary origin. A high counting rate particle detector (PD) aboard LISA Pathfinder, meant for subsystems diagnostics, was devoted to the measurement of GCR and solar energetic particle integral fluxes above 70 MeV n−1 up to 6500 counts s−1. PD data were gathered with a sampling time of 15 s. Characteristics and energy dependence of GCR flux recurrent depressions and of a Forbush decrease dated 2016 August 2 are reported here. The capability of interplanetary missions, carrying PDs for instrument performance purposes, in monitoring the passage of interplanetary coronal mass ejections is also discussed.

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