Fixed incore wide range neutron sensor

Details Fixed incore wide range neutron sensor Fixed incore wide range neutron sensor

1983-10-19

1987-01-06

Cangialosi, Salvatore

Induced nuclear reactions: processes, systems, and elements

Detection of radiation by an induced nuclear reaction

By fission

376254, 376255, 250392, G21C 1700

Patent

active

046345680

ABSTRACT:
Disclosed is a neutron detector, provided with a sealed chamber having two spaced apart electrodes, hermetically sealed in the chamber with a seal which is located in an environment of at least two decades less neutron flux than that experienced by the detector. An ionizable gas is placed within the space between the electrodes, and pressurized to a pressure above one atmosphere. A layer of a mixture of an active material and a breeding material are positioned within the chamber, the active material and breeding material being respectively U-235 and U-234, which layer has a thickness of at least 0.2 milligrams per square centimeter.

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B. B. Rossi, H. H. Staub, "Ionization Chambers and Counters", New York, 1949, McGraw-Hill Book Company, pp. 203-219.

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