Il Nuovo Cimento (1955-1965)

, Volume 6, Issue 6, pp 1292–1295 | Cite as

The formation of22Na from atmospheric argon by cosmic rays

  • L. Marquez
  • N. L. Costa
  • I. G. Almeida
Article
First Online:
Received:

Summary

It was found that22Na is formed as a spallation product of atmospheric argon by cosmic rays. It was isolated from the fresh rain water of Rio de Janeiro, and its average activity is 0.017 dpm/1.

Riassunto

Si è trovato che22Na è un prodotto di degradazione dell’argon atmosferico da parte dei raggi cosmici. È stato isolato dall’acqua piovana di Rio de Janeiro recentemente caduta e la sua attività media è di 0.017 dpm/1.

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References

  1. (1).
    L. Marquez andN. L. Costa:Nuovo Cirmnto,2, 1038 (1955).CrossRefGoogle Scholar
  2. (2).
    L. Winsberg:Geoehim. et Cosmochim. Acta,9, 183 (1956).ADSCrossRefGoogle Scholar
  3. (3).
    P. S. Goel:Nature,178, 1458 (1956).ADSCrossRefGoogle Scholar
  4. (4).
    D. Lal, N. Narasappaya andP. K. Zutshi:Nucl. Phys.,3, 69 (1957).CrossRefGoogle Scholar
  5. (5).
    L. Marquez:Phys. Rev.,86, 405 (1952).ADSCrossRefGoogle Scholar
  6. (6).
    L. Marquez, N. L. Costa andI. G. Almeida:An. Acad. Bras. Ciencias (to be published).Google Scholar
  7. (7).
    P. A. Benioff:Phys. Rev.,104, 1122 (1956).ADSCrossRefGoogle Scholar

Copyright information

© Società Italiana di Fisica 1957

Authors and Affiliations

  • L. Marquez
    • 1
  • N. L. Costa
    • 1
  • I. G. Almeida
    • 1
  1. 1.Centro Brasileiro de Pesquisas FísicasRio de JaneiroBrasil

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