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Upper limit to the 1–20 MeV solar neutron flux

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Abstract

The upper limit on the quiet time solar neutron flux from 1–20 MeV has been measured to be less than 2 × 10-3 n cm-2 s−1 at the 95% confidence level. This result is deduced from the OGO-6 neutron detector measurements of the ‘day-night’ effect near the equator at low altitudes for the period from June 7, 1969, to December 23, 1969. The OGO-6 detector had very low (< 4%) counting rate contributions from locally produced neutrons in the detecting system and the spacecraft and from charged-particle interactions in the neutron sensor.

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Communications Research Center, Ottawa, Ontario, Canada.

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Lockwood, J.A., Ifedili, S.O. & Jenkins, R.W. Upper limit to the 1–20 MeV solar neutron flux. Sol Phys 30, 183–191 (1973). https://doi.org/10.1007/BF00156187

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  • DOI: https://doi.org/10.1007/BF00156187

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