Radioactive clocks and cosmic-ray transport in the galaxy

R. A. Mewaldt, N. E. Yanasak, M. E. Wiedenbeck, A. J. Davis, W. R. Binns, E. R. Christian, A. C. Cummings, P. L. Hink, R. A. Leske, S. M. Niebur, E. C. Stone, T. T. Von Rosenvinge

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

There are a number of radioactive 'clocks' in the cosmic radiation that can be used to measure the time scales for cosmic ray processes in the Galaxy. With high-resolution isotope measurements available from ACE it is now possible to read these clocks with greatly improved accuracy and address key questions about the origin and lifetime of cosmic rays. This paper discusses the status of three such investigations.

Original languageEnglish (US)
Pages (from-to)27-39
Number of pages13
JournalSpace Science Reviews
Volume99
Issue number1-4
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    Mewaldt, R. A., Yanasak, N. E., Wiedenbeck, M. E., Davis, A. J., Binns, W. R., Christian, E. R., Cummings, A. C., Hink, P. L., Leske, R. A., Niebur, S. M., Stone, E. C., & Von Rosenvinge, T. T. (2001). Radioactive clocks and cosmic-ray transport in the galaxy. Space Science Reviews, 99(1-4), 27-39. https://doi.org/10.1023/A:1013868225842