The isotopic source composition of cosmic-ray iron, cabolt, and nickel

M. E. Wiedenbeck, W. R. Binns, E. R. Christian, A. C. Cummings, A. J. Davis, J. S. George, P. L. Hink, M. H. Israel, R. A. Leske, M. Lijowski, R. A. Mewaldt, E. C. Stone, T. T. Von Rosenvinge, Nathan Eugene Yanasak

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The isotopic composition of cosmic-ray Fe, Co, and Ni at energies ~150-500 MeV/nucleon has been measured with the Cosmic-Ray Isotope Spectrometer (CRIS) instrument on ACE. Source abundances have been derived from a leaky-box propagation model using secondary species in the range 41 ≤ A ≤ 55 to constrain the calculated secondary contributions to the Fe, Co, and Ni isotopes. The derived relative source abundances bear a strong resemblance to solar-system values. The most significant difference, an excess of ~ (70 ± 30)%, is found for the source abundance ratio 58Fe/56Fe. Some implications of the derived source composition for the origin of cosmic rays are discussed.

Original languageEnglish (US)
Pages (from-to)773-778
Number of pages6
JournalAdvances in Space Research
Volume27
Issue number4
DOIs
StatePublished - Aug 2 2001
Externally publishedYes

Fingerprint

Cosmic rays
cosmic ray
cosmic rays
nickel
Nickel
Iron
iron
Isotopes
Chemical analysis
isotope
isotopes
Solar system
solar system
Light sources
Spectrometers
isotopic composition
spectrometer
bears
boxes
spectrometers

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

Wiedenbeck, M. E., Binns, W. R., Christian, E. R., Cummings, A. C., Davis, A. J., George, J. S., ... Yanasak, N. E. (2001). The isotopic source composition of cosmic-ray iron, cabolt, and nickel. Advances in Space Research, 27(4), 773-778. https://doi.org/10.1016/S0273-1177(01)00120-X

The isotopic source composition of cosmic-ray iron, cabolt, and nickel. / Wiedenbeck, M. E.; Binns, W. R.; Christian, E. R.; Cummings, A. C.; Davis, A. J.; George, J. S.; Hink, P. L.; Israel, M. H.; Leske, R. A.; Lijowski, M.; Mewaldt, R. A.; Stone, E. C.; Von Rosenvinge, T. T.; Yanasak, Nathan Eugene.

In: Advances in Space Research, Vol. 27, No. 4, 02.08.2001, p. 773-778.

Research output: Contribution to journalArticle

Wiedenbeck, ME, Binns, WR, Christian, ER, Cummings, AC, Davis, AJ, George, JS, Hink, PL, Israel, MH, Leske, RA, Lijowski, M, Mewaldt, RA, Stone, EC, Von Rosenvinge, TT & Yanasak, NE 2001, 'The isotopic source composition of cosmic-ray iron, cabolt, and nickel', Advances in Space Research, vol. 27, no. 4, pp. 773-778. https://doi.org/10.1016/S0273-1177(01)00120-X
Wiedenbeck ME, Binns WR, Christian ER, Cummings AC, Davis AJ, George JS et al. The isotopic source composition of cosmic-ray iron, cabolt, and nickel. Advances in Space Research. 2001 Aug 2;27(4):773-778. https://doi.org/10.1016/S0273-1177(01)00120-X
Wiedenbeck, M. E. ; Binns, W. R. ; Christian, E. R. ; Cummings, A. C. ; Davis, A. J. ; George, J. S. ; Hink, P. L. ; Israel, M. H. ; Leske, R. A. ; Lijowski, M. ; Mewaldt, R. A. ; Stone, E. C. ; Von Rosenvinge, T. T. ; Yanasak, Nathan Eugene. / The isotopic source composition of cosmic-ray iron, cabolt, and nickel. In: Advances in Space Research. 2001 ; Vol. 27, No. 4. pp. 773-778.
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