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The HEAO-3 Cosmic Ray Isotope spectrometer

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Abstract

This paper describes the Cosmic Ray Isotope instrument launched aboard the HEAO-3 satellite on September 20, 1979. The primary purpose of the experiment is to measure the isotopic composition of cosmic ray nuclei from Be-7 to Fe-58 over the energy range 0.5 to 7 GeV/nucleon. In addition charge spectra will be measured between beryllium and tin over the energy range 0.5 to 25 GeV/nucleon. The charge and isotope abundances measured by the experiment provide essential information needed to further our understanding of the origin and propagation of high energy cosmic rays. The instrument consists of 5 Cerenkov counters, a 4 element neon flash tube hodoscope and a time-of-flight system. The determination of charge and energy for each particle is based on the multiple Cerenkov technique and the mass determination will be based upon a statistical analysis of particle trajectories in the geomagnetic field.

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Authors and Affiliations

  1. Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France

    M. Bouffard, J. J. Engelmann, L. Koch & A. Soutoul

  2. Danish Space Research Institute, Lyngby, Denmark

    N. Lund, B. Peters & I. L. Rasmussen

Authors
  1. M. Bouffard
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  2. J. J. Engelmann
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  3. L. Koch
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  4. A. Soutoul
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  5. N. Lund
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  6. B. Peters
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  7. I. L. Rasmussen
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Additional information

Representing the Saclay-Copenhagen Collaboration

Originally submitted to the journalSpace Science Instrumentation.

The Saclay-Copenhangen Collaboration consists of the authors and the following members.

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Bouffard, M., Engelmann, J.J., Koch, L. et al. The HEAO-3 Cosmic Ray Isotope spectrometer. Astrophys Space Sci 84, 3–33 (1982). https://doi.org/10.1007/BF00713625

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  • DOI: https://doi.org/10.1007/BF00713625

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