Abstract
The first results from measuring the spectra of solar neutrons with energies of ~10–1000 MeV in the solar flares of 2006–2015 observed by the PAMELA international space experiment are presented. The PAMELA neutron detector with 3He counters and a moderator with an area of 0.18 m2 allows us to estimate the flux of solar neutrons during solar flares. Solar neutrons with energies of ~10–1000 MeV likely occurred in 21 out of the 24 analyzed flares of 2006–2015.
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Original Russian Text © E.A. Bogomolov, O. Adriani, G.A. Bazilevskaya, G.C. Barbarino, R. Bellotti, M. Boezio, V. Bonvicini, M. Bongi, S. Bottai, A. Bruno, A. Vacchi, E. Vannuccini, G.I. Vasilyev, S.A. Voronov, A.M. Galper, C. De Santis, V. Di Felice, G. Zampa, N. Zampa, M. Casolino, D. Campana, A.V. Karelin, P. Carlson, G. Castellini, F. Cafagna, A.A. Kvashnin, A.N. Kvashnin, S.V. Koldashov, S.A. Koldobskiy, S.Y. Krutkov, A.A. Leonov, A.G. Mayorov, V.V. Malakhov, M. Martucci, L. Marcelli, W. Menn, M. Merge, V.V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, R. Munini, G. Osteria, B. Panico, P. Papini, P. Picozza, M. Pearce, M. Ricci, S.B. Ricciarini, M.F. Runtso, M. Simon, R. Sparvoli, P. Spillantini, Y.I. Stozhkov, Y.T. Yurkin, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 2, pp. 151–154.
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Bogomolov, E.A., Adriani, O., Bazilevskaya, G.A. et al. Spectra of solar neutrons with energies of ~10–1000 MeV in the PAMELA experiment in the flare events of 2006–2015. Bull. Russ. Acad. Sci. Phys. 81, 132–135 (2017). https://doi.org/10.3103/S1062873817020113
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DOI: https://doi.org/10.3103/S1062873817020113