Solar proton events at the end of the 23rd and start of the 24th solar cycle recorded in the PAMELA experiment

G. A. Bazilevskaya, A. G. Mayorov, V. V. Malakhov, V. V. Mikhailov, O. Adriani, G. C. Barbarino, R. Belotti, M. Boezio, E. A. Bogomolov, V. Bonvicini, M. Bongi, L. Bonechi, S. V. Borisov, S. Bottai, A. Bruno, A. Vacci, E. Vanuccini, G. I. Vasilyev, S. A. Voronov, J. WuA. M. Galper, L. A. Grishantseva, I. A. Danilchenko, W. Gillard, G. Jerse, G. Zampa, N. Zampa, V. G. Zverev, M. Casolino, D. Campana, R. Carbone, A. V. Karelin, P. Carlson, G. Castellini, F. Cafagna, A. N. Kvashnin, S. V. Koldashov, S. A. Koldobskiy, S. Yu Krutkov, L. Consiglio, A. A. Leonov, V. Malvezzi, L. Marcelli, W. Menn, E. Mocchiutti, A. Monaco, N. Mori, N. N. Nikonov, G. Osteria, F. Palma, P. Papini, C. Pizzolotto, M. P. De Pascale, P. Picozza, M. Pearce, M. Ricci, S. B. Ricciarini, L. Rossetto, M. F. Runtso, C. De Santis, R. Sarkar, M. Simon, N. De Simone, R. Sparvoli, P. Spillantini, Yu I. Stozhkov, V. Di Felice, M. D. Kheymits, Yu T. Yurkin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The PAMELA magnetic spectrometer was launched into a near-Earth orbit on board the Resurs-DK1 satellite in June 2006; in December 2006, it recorded the last strong solar high-energy particle event of the 23rd solar cycle. A deficit was thereafter observed in solar energetic particle events because of the lengthy solar activity minimum and the weak evolution of the next (24th) solar cycle. As a result, only a few solar events involving protons with energies of more than 100 MeV were recorded between 2010 and 1012. This work presents the preliminary results from measurements of charged particle fluxes in these events, recorded by the Pamela spectrometer.

Original languageEnglish
Pages (from-to)493-496
Number of pages4
JournalBulletin of the Russian Academy of Sciences: Physics
Volume77
Issue number5
DOIs
StatePublished - May 2013
Externally publishedYes

Bibliographical note

Funding Information:
ACKNOWLEDGMENTS The authors are grateful to the Space Council of the Russian Academy of Sciences, the Roskosmos Federal Space Agency, the TsSKB Progress Federal Space Center, the Research Center for Earth Opera tive Monitoring, the Italian Space Agency (Agenzia Spaziale Italiana), the German Aerospace Center (DLR), the Swedish National Space Board, and the Swedish Research Council.

Funding

ACKNOWLEDGMENTS The authors are grateful to the Space Council of the Russian Academy of Sciences, the Roskosmos Federal Space Agency, the TsSKB Progress Federal Space Center, the Research Center for Earth Opera tive Monitoring, the Italian Space Agency (Agenzia Spaziale Italiana), the German Aerospace Center (DLR), the Swedish National Space Board, and the Swedish Research Council.

FundersFunder number
Roskosmos Federal Space Agency
Space Council of the Russian Academy of Sciences
Swedish National Space Agency
Deutsches Zentrum für Luft- und Raumfahrt
Agenzia Spaziale Italiana
Vetenskapsrådet

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