The Flux and Spectrum of Cosmic-ray Produced Neutrons As a Function of Altitude
- 1 January 1959
- journal article
- research article
- Published by Wolters Kluwer Health in Health Physics
- Vol. 2 (1) , 69-72
- https://doi.org/10.1097/00004032-195901000-00008
Abstract
A series of measurements of neutron flux as a function of altitude has been made with the following neutron detectors: bismuth fission ionization chamber, proton-recoil proportional counter, and moderated and bare BF3 proportional counters. In addition, data were also taken with a Simpson pile. Altitudes ranged from sea-level to 40,000 ft and latitudes from 28° to 49°N. Appropriate treatment of the data can be made to yield information about the neutron spectrum and the average neutron energy, and, consequently about the dose rate.Keywords
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