Neutron fluences and energy spectra in the Cosmos-2044 biosatellite orbit
Joint Soviet-American measurements of the neutron component of space radiation (SR) were carried out during the flight of the Soviet biosatellite Cosmos-2044. Neutron flux densities and differential energy spectra were measured inside and on the external surface of the spacecraft. Three energy int...
| Veröffentlicht in: | International Journal Of Radiation Applications And Instrumentation. Part D, Nuclear Tracks And Radiation Measurements. - 1990. - 20(1992), 1 vom: 07. Jan., Seite 139-41 |
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| Weitere Verfasser: | , , , , , |
| Format: | Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
1992
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| Zugriff auf das übergeordnete Werk: | International Journal Of Radiation Applications And Instrumentation. Part D, Nuclear Tracks And Radiation Measurements |
| Schlagworte: | Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. NASA Discipline Number 00-00 NASA Discipline Number 04-10 NASA Discipline Radiation Health NASA Program Flight NASA Program Radiation Health Non-NASA Center |
| Zusammenfassung: | Joint Soviet-American measurements of the neutron component of space radiation (SR) were carried out during the flight of the Soviet biosatellite Cosmos-2044. Neutron flux densities and differential energy spectra were measured inside and on the external surface of the spacecraft. Three energy intervals were employed: thermal (En < or = 0.2 eV), resonance (0.2 eV < En < 1.0 MeV) and fast (En > or = 1.0 MeV) neutrons. The first two groups were measured with U.S. 6LiF detectors, while fast neutrons were recorded both by U.S. fission foils and Soviet nuclear emulsions. Estimations were made of the contributions to absorbed and equivalent doses from each neutron energy interval and a correlation was presented between fast neutron fluxes, measured outside the satellite, and the phase of solar activity (SA). Average dose equivalent rates of 0.018 and 0.14 mrem d-1 were measured for thermal and resonance neutrons, respectively, outside the spacecraft. The corresponding values for fast neutrons were 3.3 (U.S.) and 1.8 (U.S.S.R.) mrem d-1. Inside the spacecraft, a value of 3.5 mrem d-1 was found |
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| Beschreibung: | Date Completed 10.05.1995 Date Revised 05.11.2019 published: Print Citation Status MEDLINE |
| ISSN: | 0735-245X |