Lithium and beryllium isotopes in the PAMELA experiment

E. A. Bogomolov; Богомолов Э. А.; G. I. Vasilyev; Васильев Г. И.; W. Menn; Менн В.; O. Adriani; Адриани О.; G. A. Bazilevskaya; Базилевская Г. А.; G. C. Barbarino; Барбарино Дж.; R. Bellotti; Белотти Р.; M. Boezio; Боецио М.; V. Bonvicini; Бонвичини В.; M. Bongi; Бонджи М.; S. Bottai; Боттаи С.; A. Bruno; Бруно А.; A. Vacchi; Вакки А.; E. Vannuccini; Ваннуччини Е.; S. A. Voronov; Воронов С. А.; A. M. Galper; Гальпер А. М.; C. De Santis; Сантис К. Де; V. Di Felice; Феличе В. Ди; G. Zampa; Зампа Дж.; N. Zampa; Зампа Н.; M. Casolino; Казолино М.; D. Campana; Кампана Д.; P. Carlson; Карлсон П.; G. Castellini; Кастеллини Г.; F. Cafagna; Кафанья Ф.; A. A. Kvashnin; Квашнин А. А.; A. N. Kvashnin; Квашнин А. Н.; S. A. Koldobskiy; Колдобский С. А.; I. A. Lagoida; Лагойда И. А.; A. A. Leonov; Леонов А. А.; A. G. Mayorov; Майоров А. Г.; V. V. Malakhov; Малахов В. В.; M. Martucci; Мартуччи М.; L. Marcelli; Марчелли Л.; M. Merge; Мерге М.; V. V. Mikhailov; Михайлов В. В.; E. Mocchiutti; Моккъютти Е.; A. Monaco; Монако А.; N. Mori; Мори Н.; R. Munini; Мунини Р.; G. Osteria; Остериа Дж.; B. Panico; Панико Б.; P. Papini; Папини П.; P. Picozza; Пикоцца П.; M. Ricci; Риччи М.; S. B. Ricciarini; Риччиарини С.; M. Simon; Симон М.; R. Sparvoli; Спарволи Р.; P. Spillantini; Спиллантини П.; Y. I. Stozhkov; Стожков Ю. И.; Y. T. Yurkin; Юркин Ю. Т.

doi:10.31857/S0367676523701594

Lithium and beryllium isotopes in the PAMELA experiment

Authors: Bogomolov E.A.¹, Vasilyev G.I.¹, Menn W.², Adriani O.³^,4, Bazilevskaya G.A.⁵, Barbarino G.C.⁶^,7, Bellotti R.⁸^,9, Boezio M.¹⁰, Bonvicini V.¹⁰, Bongi M.³^,4, Bottai S.⁴, Bruno A.⁸^,9, Vacchi A.¹⁰^,11, Vannuccini E.⁴, Voronov S.A.¹², Galper A.M.¹², De Santis C.¹³^,14, Di Felice V.¹⁴^,15, Zampa G.¹⁰, Zampa N.¹⁰, Casolino M.¹³, Campana D.⁷, Carlson P.¹⁶, Castellini G.¹⁷, Cafagna F.⁹, Kvashnin A.A.⁵, Kvashnin A.N.⁵, Koldobskiy S.A.¹², Lagoida I.A.¹², Leonov A.A.¹², Mayorov A.G.¹², Malakhov V.V.¹², Martucci M.¹⁴^,18, Marcelli L.¹⁴, Merge M.¹³^,14, Mikhailov V.V.¹², Mocchiutti E.¹⁰, Monaco A.⁸^,9, Mori N.⁴, Munini R.¹⁰^,19, Osteria G.⁷, Panico B.⁷, Papini P.⁴, Picozza P.¹³^,14, Ricci M.¹⁸, Ricciarini S.B.⁴, Simon M.², Sparvoli R.¹³^,14, Spillantini P.³^,4, Stozhkov Y.I.⁵, Yurkin Y.T.¹²
Affiliations:
1. Ioffe Physical-Technical Institute of the Russian Academy of Sciences
2. University Siegen
3. University of Florence, Department of Physics
4. INFN, Sezione di Florence
5. Lebedev Physical Institute of the Russian Academy of Sciences
6. University of Naples “Federico II”, Department of Physics
7. INFN, Sezione di Naples
8. University of Bari, Department of Physics
9. INFN, Sezione di Bari
10. INFN, Sezione di Trieste
11. University of Udine, Department of Mathematics and Informatics
12. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
13. INFN, Sezione di Rome “Tor Vergata”
14. University of Rome “Tor Vergata”, Department of Physics,
15. Agenzia Spaziale Italiana, Science Data Center
16. KTH Royal Institute of Technology, Department of Physics and the Oskar Klein Centre for Cosmoparticle Physics, AlbaNova University Centre
17. IFAC
18. INFN, Laboratori Nazionali di Frascati
19. University of Trieste, Department of Physics
Issue: Vol 87, No 7 (2023)
Pages: 918-922
Section: Articles
URL: https://journals.rcsi.science/0367-6765/article/view/135419
DOI: https://doi.org/10.31857/S0367676523701594
EDN: https://elibrary.ru/ONCAHM
ID: 135419

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Abstract
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Abstract

Using PAMELA flight data for 2006–2014 on the rigidity of detected nuclei and their velocity (time-of-flight analysis and ionization losses in the multilayer calorimeter of the device), a new analysis of the isotopic composition of Li and Be nuclei in the rigidity range 1–5 GV (nuclear energies 0.1–1.5 GeV/nucleon) was carried out. The new PAMELA data expand the energy range of previous measurements, are consistent with the few existing measurements, and indicate correlated deviations of Li and Be isotope ratios from the GALPROP data for GCRs, which can be interpreted as evidence of the observation of contributions from several nearby local sources against the GCR background. The analysis of precision AMS-02 data on the spectra of positrons, antiprotons, secondary nuclei Li, Be, and B, also carried out in this work, indicates correlated increases in intensity at rigidities of ~50–1000 GV, which could be associated with local sources as well. We estimate the contribution of local sources against the GCR background at the level of tens of percent for rigidities of 1–5 GV and at the level of a few percent for rigidities of 50–1000 GV.

References

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