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- W1533736958 abstract "Abstract : An exposure package has been designed to obtain measurements of trapped proton fluxes utilizing the NASA Long Duration Expousre Facility. The techniques are similar to those used in the 1960's to obtain trapped proton fluxes from Air Force recoverable satellites. The main novelty consists in the development of proton sensitive plastic detectors capable of withstanding the six-month exposure planned for LDEF. At the planned LDEF altitude of 450 km, unshielded nuclear emulsion would become grossly over-exposed in six months. Early designs for LDEEP consisted of shielded emulsons with narrow cylindrical openings to allow trapped protons to enter. The discovery of the CR39 plastic detector by Cartwright et al opens up a new solution to this problem. The potential for obtaining the first reliable measurements of inner zone trapped protons of 1 to 10 Mev energy is discussed. Earlier electronic counter measurements are quite uncertain, and the NERV emulsion results covered far too brief a time interval and were spatially limited. (Author)" @default.
- W1533736958 created "2016-06-24" @default.
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- W1533736958 date "1979-07-19" @default.
- W1533736958 modified "2023-09-24" @default.
- W1533736958 title "Long Duration Exposure Emulsion Package (LDEEP)" @default.
- W1533736958 hasPublicationYear "1979" @default.
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