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Apparatus for expansion of the measuring range of detectors for neutrons with energies of less than or equal to 10 mev
Apparatus for expansion of the measuring range of detectors for neutrons with energies of less than or equal to 10 mev
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机译：扩大能量小于或等于10 mev的中子探测器的测量范围的设备
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摘要
Apparatus for expansion of the measuring range of a detector for neutrons with energies ≦ 10 mev,at least comprising a casing, the at least the body of the detector in the region of a detection angle of a detection device of the detector, wherein– the envelope and a surface of the detector at a distance, which is sufficiently low the detection device of the detector, by means of the casing before an incidence of scattered radiation shield,– the casing is formed from a material which has a cross-section in the case of neutron energies of 100 mev of σ ≧ 1,8 has barn,– a product of the cross-section σ and a particle density n of the material of the cover and a wall thickness x of the casing σMaterial·nMaterial·xWall thickness ≥ 0,06 and– the wall thickness x of the casing is sufficiently low a self-absorption, this effects of neutrons in the casing to exclude.
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