The available data on the energy spectra of electrons, protons, and helium nuclei in the high-energy region are fragmentary, a situation made worse by their scarcity. Due to limitations imposed on the use of the magnetic spectrometer in the PAMELA satellite experiment, the calorimeter must be used for measurements performed in the high-energy region. The processing of experimental data accumulated in more than eight years of measurements with the calorimeter, neutron detector, and scintillation counters allows the spectra of high-energy particles to be obtained, greatly expanding our understanding of the nature of primary cosmic rays.
Measuring the spectra of high-energy cosmic-ray particles in the PAMELA experiment / Karelin, A.V; Adriani, O.; Barbarino, G.C.; Bazilevskaya, G.A.; Bellotti, R.; Boezio, M.; Bogomolov, E.A.; Bonechi, L.; Bongi, M.; Bonvicini, V.; Bottai, S.; Bruno, A.; Vacchi, A.; Vannuccini, E.; Vasilyev, G.I.; Voronov, S.A.; Galper, A.M.; De Donato, C.; De Santis, C.; De Simone, N.; Di Felice, V.; Zverev, V.G.; Zampa, G.; Zampa, N.; Cafagna, F.; Campana, D.; Carbone, R.; Carlson, P.; Casolino, M.; Castellini, G.; Kvashnin, A.N.; Koldashov, S.V.; Koldobskiy, S.A.; Krutkov, S. Yu.; Leonov, A.A.; Malvezzi, V.; Marcelli, L.; Martucci, M.; Mayorov, A.G.; Malakhov, V.V.; Menn, W.; Merge, M.; Mikhailov, V.V.; Mocchiutti, E.; Monaco, A.; Mori, N.; Osteria, G.; Palma, F.; Papini, P.; Pearce, M.; Picozza, P.; Ricci, M.; Ricciarini, S.B.; Simon, M.; Sarkar, R.; Sparvoli, R.; Spillantini, P.; Yurkin, Yu. T.. - In: BULLETIN OF THE RUSSIAN ACADEMY OF SCIENCES. PHYSICS. - ISSN 1062-8738. - ELETTRONICO. - 79:(2015), pp. 289-293. [10.3103/S1062873815030260]
Measuring the spectra of high-energy cosmic-ray particles in the PAMELA experiment
ADRIANI, OSCAR;BONGI, MASSIMO;MORI, NICOLA;
2015
Abstract
The available data on the energy spectra of electrons, protons, and helium nuclei in the high-energy region are fragmentary, a situation made worse by their scarcity. Due to limitations imposed on the use of the magnetic spectrometer in the PAMELA satellite experiment, the calorimeter must be used for measurements performed in the high-energy region. The processing of experimental data accumulated in more than eight years of measurements with the calorimeter, neutron detector, and scintillation counters allows the spectra of high-energy particles to be obtained, greatly expanding our understanding of the nature of primary cosmic rays.
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