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The Propagation of Cosmic Radiation Through the Inter-Planetary Magnetic Field

Published online by Cambridge University Press:  25 April 2016

K. G. McCracken
K. G. McCracken*
Affiliation:
Department of Physics, University of Adelaide
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Extract

Instruments were flown on the Pioneer 6 and 7 spacecraft during 1965-66 to study the degree of anisotropy of cosmic radiation in the energy range 7.5-90 Mev/nucleón. The instruments record the cosmic ray fluxes from each of four contiguous ‘quadrants’ of azimuthal rotation of the spacecraft, for each of three energy windows 7.5-45 Mev, 45-90 Mev, and 150-350 Mev for alpha particles and heavier nuclei. In addition, the counting rate of all particles of energy >7.5 Mev is recorded, thereby providing cosmic ray data of high statistical precision useful in the study of fast changes in the cosmic ray flux.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 1 , Issue 1 , January 1967 , pp. 29 - 30
Copyright
Copyright © Astronomical Society of Australia 1967

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References

1 Bartley, W. C., McCracken, K. G., and Rao, U. R., ‘The Pioneer VI Detector to Measure the Degree of Anistropy of the Cosmic Radiation in the Energy Range 7.5-90 Mev/nucleon’, Rev. Sci. Inst. (1966), in press.Google Scholar
2 Bartley, W. C., Bukata, R. P., McCracken, K.G, and Rao, U. R., J.G.R. 71, 3297–3304 (1966).Google Scholar
3 McCracken, K. G., Rao, U. R., and Bukata, R. P., ‘Recurrent Forbush Decreases Associated with M-Region Magnetic Storms’, Phys. Rev. Lettrs. (1966). In press.Google Scholar