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An anomalous positron abundance in cosmic rays with energies 1.5–100 GeV - Nature

  • ️Zverev, V. G.
  • ️Thu Apr 02 2009

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Acknowledgements

We thank D. Marinucci for discussions concerning statistical methods, D. Müller, S. Swordy and their group at University of Chicago, G. Bellettini and G. Chiarelli for discussions about the data analysis and L. Bergström for comments on the interpretation of our results. We acknowledge support from The Italian Space Agency (ASI), Deutsches Zentrum für Luftund Raumfahrt (DLR), The Swedish National Space Board, The Swedish Research Council, The Russian Space Agency (Roscosmos) and The Russian Foundation for Basic Research.

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Authors and Affiliations

  1. Department of Physics, University of Florence, Via Sansone 1, I-50019 Sesto Fiorentino, Florence, Italy,

    O. Adriani, L. Bonechi & P. Spillantini

  2. INFN, Sezione di Florence, Via Sansone 1, I-50019 Sesto Fiorentino, Florence, Italy ,

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

  3. Department of Physics, University of Naples “Federico II”, Via Cintia, I-80126 Naples, Italy,

    G. C. Barbarino

  4. INFN, Sezione di Naples, Via Cintia, I-80126 Naples, Italy ,

    G. C. Barbarino, D. Campana, G. De Rosa & G. Osteria

  5. Lebedev Physical Institute, Leninsky Prospekt 53, RU-119991 Moscow, Russia ,

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

  6. Department of Physics, University of Bari, Via Amendola 173, I-70126 Bari, Italy,

    R. Bellotti & A. Bruno

  7. INFN, Sezione di Bari, Via Amendola 173, I-70126 Bari, Italy ,

    R. Bellotti, A. Bruno & F. Cafagna

  8. INFN, Sezione di Trieste, Padriciano 99, I-34012 Trieste, Italy ,

    M. Boezio, V. Bonvicini, E. Mocchiutti, A. Vacchi, G. Zampa & N. Zampa

  9. Ioffe Physical Technical Institute, Polytekhnicheskaya 26, RU-194021 St Petersburg, Russia ,

    E. A. Bogomolov, S. Y. Krutkov & G. Vasilyev

  10. Department of Physics, KTH, AlbaNova University Centre, SE-10691 Stockholm, Sweden

    P. Carlson, P. Hofverberg & S. Orsi

  11. INFN, Sezione di Roma “Tor Vergata”, Via della Ricerca Scientifica 1, I-00133 Rome, Italy ,

    M. Casolino, M. P. De Pascale, N. De Simone, V. Di Felice, V. Malvezzi, L. Marcelli, S. Orsi, P. Picozza & R. Sparvoli

  12. IFAC, Via Madonna del Piano 10, I-50019 Sesto Fiorentino, Florence, Italy ,

    G. Castellini

  13. Department of Physics, University of Rome “Tor Vergata”, Via della Ricerca Scientifica 1, I-00133 Rome, Italy,

    M. P. De Pascale, N. De Simone, V. Di Felice, P. Picozza & R. Sparvoli

  14. Moscow Engineering and Physics Institute, Kashirskoe Shosse 31, RU-11540 Moscow, Russia ,

    A. M. Galper, L. Grishantseva, S. V. Koldashov, A. Leonov, V. V. Mikhailov, S. A. Voronov, Y. T. Yurkin & V. G. Zverev

  15. Universität Siegen, D-57068 Siegen, Germany

    W. Menn & M. Simon

  16. Department of Physics and The Oskar Klein Centre for Cosmoparticle Physics, KTH, AlbaNova University Centre, SE-10691 Stockholm, Sweden

    M. Pearce

  17. INFN, Laboratori Nazionali di Frascati, Via Enrico Fermi 40, I-00044 Frascati, Italy ,

    M. Ricci

Authors

  1. O. Adriani

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  2. G. C. Barbarino

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  3. G. A. Bazilevskaya

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  4. R. Bellotti

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  5. M. Boezio

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  6. E. A. Bogomolov

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  7. L. Bonechi

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  8. M. Bongi

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  9. V. Bonvicini

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  10. S. Bottai

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  11. A. Bruno

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  12. F. Cafagna

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  13. D. Campana

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  14. P. Carlson

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  15. M. Casolino

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  16. G. Castellini

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  17. M. P. De Pascale

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  18. G. De Rosa

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  19. N. De Simone

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  20. V. Di Felice

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  21. A. M. Galper

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  22. L. Grishantseva

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  23. P. Hofverberg

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  24. S. V. Koldashov

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  25. S. Y. Krutkov

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  26. A. N. Kvashnin

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  27. A. Leonov

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  28. V. Malvezzi

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  29. L. Marcelli

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  30. W. Menn

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  31. V. V. Mikhailov

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  32. E. Mocchiutti

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  33. S. Orsi

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  34. G. Osteria

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  35. P. Papini

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  36. M. Pearce

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  37. P. Picozza

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  38. M. Ricci

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  39. S. B. Ricciarini

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  40. M. Simon

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  41. R. Sparvoli

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  42. P. Spillantini

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  43. Y. I. Stozhkov

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  44. A. Vacchi

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  45. E. Vannuccini

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  46. G. Vasilyev

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  47. S. A. Voronov

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  48. Y. T. Yurkin

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  49. G. Zampa

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  50. N. Zampa

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  51. V. G. Zverev

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Corresponding author

Correspondence to P. Picozza.

Supplementary information

Supplementary Information

This file contains Supplementary Figures s1-s7 with Legends, Supplementary Methods, Supplementary Data and Supplementary References (PDF 324 kb)

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Adriani, O., Barbarino, G., Bazilevskaya, G. et al. An anomalous positron abundance in cosmic rays with energies 1.5–100 GeV. Nature 458, 607–609 (2009). https://doi.org/10.1038/nature07942

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  • Received: 28 October 2008

  • Accepted: 06 February 2009

  • Issue Date: 02 April 2009

  • DOI: https://doi.org/10.1038/nature07942