Measurements of cosmic-ray proton and helium spectra with the PAMELA calorimeter

O. Adriani, G. C. Barbarino, G. A. Bazilevskaya, M. Boezio, E. A. Bogomolov, L. Bonechi, M. Bongi, V. Bonvicini, S. V. Borisov, S. Bottai, A. Bruno, F. Cafagna, D. Campana, R. Carbone, P. Carlson, M. Casolino, G. Castellini, M. P. De Pascale, C. De Santis, N. De SimoneV. Di Felice, A. M. Galper, W. Gillard, L. A. Grishantseva, G. Jerse, A. V. Karelin, S. Y. Krutkov, A. N. Kvashnin, A. A. Leonov, V. V. Malakhov, L. Marcelli, A. G. Mayorov, S. V. Koldashov, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, G. Osteria, F. Palma, P. Papini, M. Pearce, P. Picozza, C. Pizzolotto, S. Ricciarini, L. Rossetto, R. Sarkar, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. I. Vasilyev, S. A. Voronov, Y. T. Yurkin, J. Wu, G. Zampa, N. Zampa, V. G. Zverev

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42 Scopus citations

Abstract

We present a new measurement of the cosmic ray proton and helium spectra by the PAMELA experiment performed using the "thin" (in terms of nuclei interactions) sampling electromagnetic calorimeter. The described method, optimized by using Monte Carlo simulation, beam test and experimental data, allows the spectra to be measured up to 10 TeV, thus extending the PAMELA observational range based on the magnetic spectrometer measurement.

Original languageEnglish
Pages (from-to)219-226
Number of pages8
JournalAdvances in Space Research
Volume51
Issue number2
DOIs
StatePublished - 15 Jan 2013
Externally publishedYes

Bibliographical note

Funding Information:
We acknowledge support from the Russian Space Agency (Roscosmos) , the Russian Foundation for Basic Research (grant 10-02-01301a ), the Italian Space Agency (ASI), Deutsches Zentrum fr Luft- und Raumfahrt (DLR), the Swedish National Space Board, and the Swedish Research Council.

Keywords

  • Calorimeter
  • Cosmic ray
  • Protons and helium

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