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


M. Armano, H. Audley, J. Baird, M. Bassan, S. Benella, P. Binetruy, M. Born, D. Bortoluzzi, A. Cavalleri, A. Cesarini, A. M. Cruise, K. Danzmann, K. de Deus Silva, I. Diepholz, G. Dixon, R. Dolesi, M. Fabi, L. Ferraioli, V. Ferroni, N. Finetti, E. D. Fitzsimons, M. Freschi, L. Gesa, F. Gibert, D. Giardini, R. Giusteri, C. Grimani, J. Grzymisch, I. Harrison, G. Heinzel, M. Hewitson, D. Hollington, D. Hoyland, M. Hueller, H. Inchauspé, O. Jennrich, P. Jetzer, N. Karnesis, B. Kaune, N. Korsakova, C. J. Killow, M. Laurenza, J. A. Lobo, I. Lloro, L. Liu, J. P. López-Zaragoza, R. Maarschalkerweerd, D. Mance, V. Martín, L. Martin-Polo, J. Martino, F. Martin-Porqueras, I. Mateos, P. W. McNamara, J. Mendes, L. Mendes, M. Nofrarias, S. Paczkowski, M. Perreur-Lloyd, A. Petiteau, P. Pivato, E. Plagnol, J. Ramos-Castro, J. Reiche, D. I. Robertson, F. Rivas, G. Russano, Federico Sabbatini, J. Slutsky, C. F. Sopuerta, T. Sumner, D. Tellon, D. Texier, J. I. Thorpe, D. Vetrugno, S. Vitale, G. Wanner, H. Ward, P. Wass, W. J. Weber, L. Wissel, A. Wittchen, A. Zambotti, C. Zanoni, P. Zweifel

The Astrophysical Journal 854(2), pages 113, February 2018
American Astronomical Society

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.

 @article{Armano_2018,
doi = {10.3847/1538-4357/aaa774},
url = {https://doi.org/10.3847/1538-4357/aaa774},
year = 2018,
month = {feb},
publisher = {American Astronomical Society},
volume = {854},
number = {2},
pages = {113},
author = {Armano, M. and Audley, H. and Baird, J. and Bassan, M. and Benella, S. and Binetruy, P. and Born, M. and Bortoluzzi, D. and Cavalleri, A. and Cesarini, A. and Cruise, A. M. and Danzmann, K. and de Deus Silva, K. and Diepholz, I. and Dixon, G. and Dolesi, R. and Fabi, M. and Ferraioli, L. and Ferroni, V. and Finetti, N. and Fitzsimons, E. D. and Freschi, M. and Gesa, L. and Gibert, F. and Giardini, D. and Giusteri, R. and Grimani, C. and Grzymisch, J. and Harrison, I. and Heinzel, G. and Hewitson, M. and Hollington, D. and Hoyland, D. and Hueller, M. and Inchausp{\'{e}}, H. and Jennrich, O. and Jetzer, P. and Karnesis, N. and Kaune, B. and Korsakova, N. and Killow, C. J. and Laurenza, M. and Lobo, J. A. and Lloro, I. and Liu, L. and L{\'{o}}pez-Zaragoza, J. P. and Maarschalkerweerd, R. and Mance, D. and Mart{\'{\i}}n, V. and Martin-Polo, L. and Martino, J. and Martin-Porqueras, F. and Mateos, I. and McNamara, P. W. and Mendes, J. and Mendes, L. and Nofrarias, M. and Paczkowski, S. and Perreur-Lloyd, M. and Petiteau, A. and Pivato, P. and Plagnol, E. and Ramos-Castro, J. and Reiche, J. and Robertson, D. I. and Rivas, F. and Russano, G. and Sabbatini, Federico and Slutsky, J. and Sopuerta, C. F. and Sumner, T. and Tellon, D. and Texier, D. and Thorpe, J. I. and Vetrugno, D. and Vitale, S. and Wanner, G. and Ward, H. and Wass, P. and Weber, W. J. and Wissel, L. and Wittchen, A. and Zambotti, A. and Zanoni, C. and Zweifel, P.},
title = {Characteristics and Energy Dependence of Recurrent Galactic Cosmic-Ray Flux Depressions and of a Forbush Decrease with {LISA} Pathfinder},
journal = {The Astrophysical Journal},
abstract = {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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— authors

M. Armano, H. Audley, J. Baird, M. Bassan, S. Benella, P. Binetruy, M. Born, D. Bortoluzzi, A. Cavalleri, A. Cesarini, A. M. Cruise, K. Danzmann, K. de Deus Silva, I. Diepholz, G. Dixon, R. Dolesi, M. Fabi, L. Ferraioli, V. Ferroni, N. Finetti, E. D. Fitzsimons, M. Freschi, L. Gesa, F. Gibert, D. Giardini, R. Giusteri, C. Grimani, J. Grzymisch, I. Harrison, G. Heinzel, M. Hewitson, D. Hollington, D. Hoyland, M. Hueller, H. Inchauspé, O. Jennrich, P. Jetzer, N. Karnesis, B. Kaune, N. Korsakova, C. J. Killow, M. Laurenza, J. A. Lobo, I. Lloro, L. Liu, J. P. López-Zaragoza, R. Maarschalkerweerd, D. Mance, V. Martín, L. Martin-Polo, J. Martino, F. Martin-Porqueras, I. Mateos, P. W. McNamara, J. Mendes, L. Mendes, M. Nofrarias, S. Paczkowski, M. Perreur-Lloyd, A. Petiteau, P. Pivato, E. Plagnol, J. Ramos-Castro, J. Reiche, D. I. Robertson, F. Rivas, G. Russano, Federico Sabbatini, J. Slutsky, C. F. Sopuerta, T. Sumner, D. Tellon, D. Texier, J. I. Thorpe, D. Vetrugno, S. Vitale, G. Wanner, H. Ward, P. Wass, W. J. Weber, L. Wissel, A. Wittchen, A. Zambotti, C. Zanoni, P. Zweifel

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published

— sort

article in journal

Venue

— journal

The Astrophysical Journal

— volume

854

— issue

2

— pages

113

— publication date

February 2018

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original page

Identifiers

— DOI

10.3847/1538-4357/aaa774

BibTeX

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Armano_2018
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article

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