Skip to main content
Log in

Spectra of primary cosmic-ray positrons and electrons in the PAMELA experiment

  • Proceedings of the 32nd All-Russia Conference on Cosmic Rays (Moscow, July 2012)
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope


The PAMELA experiment is being conducted aboard the Russian satellite Resurs-DK 1, which was launched into a near-Earth circumpolar orbit on June 15, 2006. The instrument, which includes a magnetic spectrometer and an electromagnetic calorimeter (16X 0), allows us to measure the fluxes of cosmic-ray electrons and positrons over a wide range of energies from ∼100 MeV to hundreds of GeV. This work presents the measurement data collected from July 2006 through January 2010 on the spectra of primary cosmic-ray electrons and positrons. At low energies, this spectrum is in good agreement with a diffusion model that includes reacceleration and damping. At high energies, the measured spectrum is harder than the one predicted.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others


  1. Adriani, O., Barbarino, G.C., Bazilevskaya, G.A., et al., Nature, 2009, vol. 458, p. 607.

    Article  ADS  Google Scholar 

  2. Picozza, P., Galper, A., Castellini, G., et al., Astropart. Phys., 2007, vol. 27, p. 296.

    Article  ADS  Google Scholar 

  3. Adriani, O., Bazilevskaya, G.A., Barbarino, G.C., et al., Bull. Russ. Acad. Sci.: Phys., 2009, vol. 73, no. 5, p. 568.

    Article  Google Scholar 

  4. Adriani, O., Barbarino, G.C., Bazilevskaya, G.A., et al., Phys. Rev. Lett., 2011, vol. 106, p. 201101.

    Article  ADS  Google Scholar 

  5. Tarasko, M.Z., Cand. Sci. (Physmath.) Dissertation, Obninsk: Fiz.-Energet. Inst., 1973.

    Google Scholar 

  6. Agostini, G., Nucl. Instrum. Methods A, 1995, vol. 362, p. 487.

    Article  ADS  Google Scholar 

  7. Ackermann, M., et al., Phys. Rev. Lett., 2012, vol. 108, p. 011103.

    Article  ADS  Google Scholar 

  8. Strong, A., et al., Annu. Rev. Nucl. Part. Sci., 2007, vol. 57, p. 285–327.

    Article  ADS  Google Scholar 

  9. Hardle, W., Applied Nonparametric Regression, New York: Cambridge Univ. Press, 1990.

    Book  Google Scholar 

  10. Moskalenko, I.V., et al., Astrophys. J., 2002, vol. 565, p. 280.

    Article  ADS  Google Scholar 

  11. Ptuskin, V., et al., Astrophys. J., 2006, vol. 642, p. 607.

    Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to V. V. Mikhailov.

Additional information

Original Russian Text © V.V. Mikhailov, O. Adriani, G.A. Bazilevskaya, G.C. Barbarino, R. Belotti, E.A. Bogomolov, M. Boezio, V. Bonvicini, M. Bongi, L. Bonechi, S. Bottai, A. Bruno, A. Vacchi, E. Vannuccini, G.I. Vasilyev, S.A. Voronov, J. Wu, A.M. Galper, L.A. Grishantseva, C. De Santis, N. De Simone, G. Jerse, V. Di Felice, G. Zampa, N. Zampa, V.G. Zverev, M. Casolino, D. Campana, P. Carlson, R. Carbone, A.V. Karelin, G. Castellini, F. Cafagna, A.N. Kvashnin, S.V. Koldashov, S.A. Koldobskiy, L. Consiglio, S.Yu. Krutkov, A.A. Leonov, V.V. Malakhov, A.G. Mayorov, V. Malvezzi, L. Marcelli, W. Menn, E. Mocchiutti, A. Monaco, N. Mori, G. Osteria, F. Palma, P. Papini, M.P. De Pascale, C. Pizzolotto, P. Picozza, M. Pearce, L. Rossetto, M. Ricci, S. Ricciarini, R. Sarkar, M. Simon, R. Sparvoli, P. Spillantini, Yu.I. Stozhkov, Yu.T. Yurkin, 2013, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2013, Vol. 77, No. 11, pp. 1553–1555.

About this article

Cite this article

Mikhailov, V.V., Adriani, O., Bazilevskaya, G.A. et al. Spectra of primary cosmic-ray positrons and electrons in the PAMELA experiment. Bull. Russ. Acad. Sci. Phys. 77, 1309–1311 (2013).

Download citation

  • Published:

  • Issue Date:

  • DOI: