METHOD AND DEVICE FOR MEASURING DENSITY OF THERMAL NEUTRON FLOW IN CAVITIES OF PETARDERS Russian patent published in 1995 - IPC

Abstract SU 1752079 A1

FIELD: neutron radiation metrology. SUBSTANCE: thermal neutrons are transmitted through absorbers. In this case narrow directed beams of thermal neutrons are generated by means of beam formers which are formed by external cadmium screen and m pairs of collimating windows of cadmium collimator-holder provided with removable neutron absorbers; the beam former is disposed at the end the surface. Thermal neutron beams formed are oriented at the same direction and have similar sizes of lateral cross-sections and paths in counter and in formers. EFFECT: improved precision. 2 cl, 2 cl, 2 dwg

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SU 1 752 079 A1

Authors

Chizhov V.A.

Dates

1995-02-09—Published

1990-09-03—Filed