Abstract
THE multiplicity of neutron production in a conventional neutron monitor, though not a rapidly varying function of incident particle energy, might be expected to be determined by the spectrum of incident particles. During the Forbush decrease which started on May 10, and for a considerable period previously, one half of the Sydney neutron monitor was connected to a sealer with a paralysis time of 500µ sec. as well as to the conventional recorder. The purpose of the second sealer is to study changes in multiplicity, and its operation is as follows.
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OGILVIE, K., WINN, M. Evidence for Cosmic Ray Energy Spectrum Changes During a Forbush Decrease. Nature 184, 888–889 (1959). https://doi.org/10.1038/184888a0
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DOI: https://doi.org/10.1038/184888a0
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