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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

Abstract

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.

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Authors and Affiliations

  1. INFN Florence and Department of Physics, University of Florence, Florence, 50019, Italy

    O. Adriani, M. Bongi, L. Bonechi, S. Bottai, E. Vannuccini, N. Mori, P. Papini, S. Ricciarini & P. Spillantini

  2. Lebedev Physics Institute, Russian Academy of Sciences, Moscow, 119991, Russia

    G. A. Bazilevskaya, A. N. Kvashnin & Yu. I. Stozhkov

  3. INFN Naples and Department of Physics, University of Naples, Naples, 80126, Italy

    G. C. Barbarino, D. Campana, R. Carbone & G. Osteria

  4. INFN Bari and Department of Physics, University of Bari, Bari, 70126, Italy

    R. Belotti, A. Bruno, F. Cafagna, L. Consiglio & A. Monaco

  5. National Nuclear Research University (MEPhI), Moscow, 115409, Russia

    V. V. Mikhailov, S. A. Voronov, A. M. Galper, L. A. Grishantseva, V. G. Zverev, A. V. Karelin, S. V. Koldashov, S. A. Koldobskiy, A. A. Leonov, V. V. Malakhov, A. G. Mayorov & Yu. T. Yurkin

  6. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    E. A. Bogomolov, G. I. Vasilyev & S. Yu. Krutkov

  7. INFN Trieste and Department of Physics, University of Trieste, Trieste, 34147, Italy

    M. Boezio, V. Bonvicini, A. Vacchi, G. Zampa, N. Zampa, R. Carbone, E. Mocchiutti, C. Pizzolotto & R. Sarkar

  8. INFN Rome and Department of Physics, Tor Vergata University of Rome, Rome, 00133, Italy

    C. De Santis, N. De Simone, G. Jerse, V. Di Felice, M. Casolino, V. Malvezzi, L. Marcelli, F. Palma, M. P. De Pascale, P. Picozza & R. Sparvoli

  9. Department of Physics, Royal Institute of Technology, and the Oskar Klein Centre for Cosmoparticle Physics, AlbaNova University Centre, Stockholm, 10691, Sweden

    J. Wu, P. Carlson, M. Pearce & L. Rossetto

  10. Nello Carrara Institute of Applied Physics, Sesto Fiorentino, Florence, 50019, Italy

    G. Castellini

  11. Department of Physics, University of Siegen, Siegen, 57068, Germany

    W. Menn & M. Simon

  12. INFN, Frascati National Laboratories, Frascati, 00044, Italy

    M. Ricci

Authors
  1. V. V. Mikhailov
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  2. O. Adriani
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  3. G. A. Bazilevskaya
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  4. G. C. Barbarino
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  5. R. Belotti
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  6. E. A. Bogomolov
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  7. M. Boezio
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  8. V. Bonvicini
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  9. M. Bongi
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  10. L. Bonechi
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  11. S. Bottai
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  12. A. Bruno
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  13. A. Vacchi
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  14. E. Vannuccini
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  15. G. I. Vasilyev
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  16. S. A. Voronov
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  17. J. Wu
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  18. A. M. Galper
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  19. L. A. Grishantseva
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  20. C. De Santis
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  21. N. De Simone
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  22. G. Jerse
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  23. V. Di Felice
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  24. G. Zampa
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  25. N. Zampa
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  26. V. G. Zverev
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  27. M. Casolino
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  28. D. Campana
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  29. P. Carlson
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  30. R. Carbone
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  31. A. V. Karelin
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  32. G. Castellini
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  33. F. Cafagna
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  34. A. N. Kvashnin
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  35. S. V. Koldashov
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  36. S. A. Koldobskiy
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  37. L. Consiglio
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  38. S. Yu. Krutkov
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  39. A. A. Leonov
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  40. V. V. Malakhov
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  41. A. G. Mayorov
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  42. V. Malvezzi
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  43. L. Marcelli
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  44. W. Menn
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  45. E. Mocchiutti
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  46. A. Monaco
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  47. N. Mori
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  48. G. Osteria
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  49. F. Palma
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  50. P. Papini
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  51. M. P. De Pascale
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  52. C. Pizzolotto
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  53. P. Picozza
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  54. M. Pearce
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  55. L. Rossetto
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  56. M. Ricci
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  57. S. Ricciarini
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  58. R. Sarkar
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  59. M. Simon
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  60. R. Sparvoli
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  61. P. Spillantini
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  62. Yu. I. Stozhkov
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  63. Yu. T. Yurkin
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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.

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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). https://doi.org/10.3103/S1062873813110221

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  • DOI: https://doi.org/10.3103/S1062873813110221

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