Neutron detection device for measuring the power of a nuclear re

Details Neutron detection device for measuring the power of a nuclear re Neutron detection device for measuring the power of a nuclear re

1993-10-25

1995-07-04

Harvey, Behrend E.

Induced nuclear reactions: processes, systems, and elements

Detection of radiation by an induced nuclear reaction

By fission

G01T 300

Patent

active

054307775

ABSTRACT:
This neutron detector device includes a containment inside of which there is mounted a detector and which contains a neutral gas. The detector is formed by a fission type chamber comprising a cylindrical-shaped external electrode, coated with a lining of uranium in metal form, enriched as isotope 235, and a cylindrical-shaped internal electrode coaxial to the external electrode. The containment is of annular shape and arranges a cylindrical center space open at both ends to house a moderator to slow down the fast neutrons with great efficiency with respect to detection. The present invention provides an advantage of making it easy to replace the moderator. It is favorable to use cylindrical electrodes of large diameter thus increasing the sensitivity.

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