Solar-cycle variations of South Atlantic anomaly proton intensities measured with the PAMELA mission

Bruno, A.; Martucci, M.; Cafagna, F. S.; Sparvoli, R.; Adriani, O.; Barbarino, G. C.; Bazilevskaya, G. A.; Bellotti, R.; Boezio, M.; Bogomolov, E. A.; Bongi, M.; Bonvicini, V; Campana, D.; Carlson, P.; Casolino, M.; Castellini, G.; De Santis, C.; Galper, A. M.; Koldashov, S., V; Koldobskiy, S.; Kvashnin, A. N.; Lenni, A.; Leonov, A. A.; Malakhov, V. V.; Marcelli, L.; Marcelli, N.; Mayorov, A. G.; Menn, W.; Merge, M.; Mocchiutti, E.; Monaco, A.; Mori, N.; Mikhailov, V. V.; Munini, R.; Osteria, G.; Panico, B.; Papini, P.; Pearce, M.; Picozza, P.; Ricci, M.; Ricciarini, S. B.; Simon, M.; Sotgiu, A.; Spillantini, P.; Stozhkov, Y., I; Vacchi, A.; Vannuccini, E.; Vasilyev, G., I; Voronov, S. A.; Yurkin, Y. T.; Zampa, G.; Zampa, N.; Zharaspayev, T. R. (2021-08-18)
 
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URL:
https://doi.org/10.3847/2041-8213/ac1a74

Bruno, A.
Martucci, M.
Cafagna, F. S.
Sparvoli, R.
Adriani, O.
Barbarino, G. C.
Bazilevskaya, G. A.
Bellotti, R.
Boezio, M.
Bogomolov, E. A.
Bongi, M.
Bonvicini, V
Campana, D.
Carlson, P.
Casolino, M.
Castellini, G.
De Santis, C.
Galper, A. M.
Koldashov, S., V
Koldobskiy, S.
Kvashnin, A. N.
Lenni, A.
Leonov, A. A.
Malakhov, V. V.
Marcelli, L.
Marcelli, N.
Mayorov, A. G.
Menn, W.
Merge, M.
Mocchiutti, E.
Monaco, A.
Mori, N.
Mikhailov, V. V.
Munini, R.
Osteria, G.
Panico, B.
Papini, P.
Pearce, M.
Picozza, P.
Ricci, M.
Ricciarini, S. B.
Simon, M.
Sotgiu, A.
Spillantini, P.
Stozhkov, Y., I
Vacchi, A.
Vannuccini, E.
Vasilyev, G., I
Voronov, S. A.
Yurkin, Y. T.
Zampa, G.
Zampa, N.
Zharaspayev, T. R.
IOP Publishing
18.08.2021

Bruno, A., Martucci, M., Cafagna, F. S., Sparvoli, R., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Santis, C., Galper, A. M., Koldashov, S. V., … Zharaspayev, T. R. (2021). Solar-cycle Variations of South Atlantic Anomaly Proton Intensities Measured with the PAMELA Mission. The Astrophysical Journal Letters, 917(2), L21. https://doi.org/10.3847/2041-8213/ac1a74

https://rightsstatements.org/vocab/InC/1.0/
© 2021. The American Astronomical Society. The final authenticated version is available online at https://doi.org/10.3847/2041-8213/ac1a74.
https://rightsstatements.org/vocab/InC/1.0/
doi:https://doi.org/10.3847/2041-8213/ac1a74
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https://urn.fi/URN:NBN:fi-fe2021082744489
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Abstract

We present a study of the solar-cycle variations of >80 MeV proton flux intensities in the lower edge of the inner radiation belt, based on the measurements of the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics (PAMELA) mission. The analyzed data sample covers an similar to 8 yr interval from 2006 July to 2014 September, thus spanning from the decaying phase of the 23rd solar cycle to the maximum of the 24th cycle. We explored the intensity temporal variations as a function of drift shell and proton energy, also providing an explicit investigation of the solar modulation effects at different equatorial pitch angles. PAMELA observations offer new important constraints for the modeling of low-altitude particle radiation environment at the highest trapping energies.

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