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Lithium and Beryllium Isotopes in the PAMELA Experiment

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The isotopic composition of Li and Be nuclei in the 1–5 GV range of rigidities (nuclear energies of 0.1–1.5 GeV/nucleon) is analyzed using PAMELA flight data from 2006–2014 on the rigidity of detected nuclei and their velocities (time-of-flight analysis and ionization losses in the detector’s multilayer calorimeter). The new PAMELA data expand the range of energies in earlier measurements, are consistent with scarce results, and indicate correlated deviations of Li and Be isotope ratios from the GALPROP data for GCRs, which can be interpreted as evidence of contributions from several nearby local sources against the GCR background. Analysis of precision AMS-02 data on the spectra of positrons, antiprotons, and secondary nuclei of Li, Be, and B also indicates correlated increases in intensity at rigidities of ~50–1000 GV, which could also be due to local sources. The contribution from local sources against the GCR background is estimated at levels of tens of percents for rigidities of 1–5 GV and several percent at rigidities of 50–1000 GV.

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Authors and Affiliations

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

    E. A. Bogomolov & G. I. Vasilyev

  2. University of Siegen, 57068, Siegen, Germany

    W. Menn & M. Simon

  3. Department of Physics, University of Florence, 50019, Florence, Italy

    O. Adriani, M. Bongi & P. Spillantini

  4. Branch of Florence, National Institute for Nuclear Physics, 50019, Florence, Italy

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

  5. Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia

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

  6. Department of Physics, University of Naples “Federico II”, 80126, Naples, Italy

    G. C. Barbarino

  7. Branch of Naples, National Institute for Nuclear Physics, 80126, Naples, Italy

    G. C. Barbarino, D. Campana, G. Osteria & B. Panico

  8. Department of Physics, University of Bari, 70126, Bari, Italy

    R. Bellotti, A. Bruno & A. Monaco

  9. Branch of Bari, National Institute for Nuclear Physics, 70126, Bari, Italy

    R. Bellotti, A. Bruno, F. Cafagna & A. Monaco

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

    S. A. Voronov, A. M. Galper, S. A. Koldobskiy, I. A. Lagoida, A. A. Leonov, A. G. Mayorov, V. V. Malakhov, V. V. Mikhailov & Y. T. Yurkin

  11. Branch of Trieste, National Institute for Nuclear Physics, 34149, Trieste, Italy

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

  12. Department of Mathematics and Informatics, University of Udine, 33100, Udine, Italy

    A. Vacchi

  13. “Tor Vergata” Branch of Rome, National Institute for Nuclear Physics, 00133, Rome, Italy

    C. De Santis, V. Di Felice, M. Casolino, M. Merge, P. Picozza & R. Sparvoli

  14. Department of Physics, University of Rome Tor Vergata, 00133, Rome, Italy

    C. De Santis, M. Martucci, L. Marcelli, M. Merge, P. Picozza & R. Sparvoli

  15. Science Data Center, Italian Space Agency, 00133, Rome, Italy

    V. Di Felice

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

    P. Carlson

  17. Institute for Applied Physics Nello Carrara, 50019, Florence, Italy

    G. Castellini

  18. Frascati National Laboratory, National Institute for Nuclear Physics, 00044, Frascati, Italy

    M. Martucci & M. Ricci

  19. Department of Physics, University of Trieste, 34147, Trieste, Italy

    R. Munini

Authors
  1. E. A. Bogomolov
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  2. G. I. Vasilyev
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  3. W. Menn
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  4. O. Adriani
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  5. G. A. Bazilevskaya
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  6. G. C. Barbarino
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  7. R. Bellotti
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  8. M. Boezio
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  9. V. Bonvicini
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  12. A. Bruno
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  14. E. Vannuccini
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  15. S. A. Voronov
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  16. A. M. Galper
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  17. C. De Santis
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  18. V. Di Felice
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  19. G. Zampa
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  20. N. Zampa
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  21. M. Casolino
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  22. D. Campana
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  23. P. Carlson
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  24. G. Castellini
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  25. F. Cafagna
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  26. A. A. Kvashnin
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  27. A. N. Kvashnin
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  28. S. A. Koldobskiy
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  29. I. A. Lagoida
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  30. A. A. Leonov
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  31. A. G. Mayorov
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  32. V. V. Malakhov
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  33. M. Martucci
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  34. L. Marcelli
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  35. M. Merge
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  36. V. V. Mikhailov
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  37. E. Mocchiutti
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  38. A. Monaco
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  39. N. Mori
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  40. R. Munini
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  41. G. Osteria
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  42. B. Panico
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  43. P. Papini
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  44. P. Picozza
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  45. M. Ricci
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  46. S. B. Ricciarini
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  47. M. Simon
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  48. R. Sparvoli
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  49. P. Spillantini
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  50. Y. I. Stozhkov
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  51. Y. T. Yurkin
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Corresponding author

Correspondence to E. A. Bogomolov.

Additional information

Translated by L. Mukhortova

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Bogomolov, E.A., Vasilyev, G.I., Menn, W. et al. Lithium and Beryllium Isotopes in the PAMELA Experiment. Bull. Russ. Acad. Sci. Phys. 87, 863–866 (2023). https://doi.org/10.3103/S1062873823702374

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  • DOI: https://doi.org/10.3103/S1062873823702374

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