Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1994-01-04
1995-02-28
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250368, G01T 120, G01T 306
Patent
active
053939816
ABSTRACT:
An apparatus for the simultaneous, selective detection of neutrons and X or gamma photons including a photomultiplier, a first scintillator sensitive to the neutrons and a second scintillator sensitive to the x or gamma photons. The apparatus also includes an attenuating light guide (situated between the first and second scintillators) for guiding the photons produced by the first scintillator to the photomultiplier and for attenuating the radiation associated with these photons. The attenuating light guide facilitates the separation of the energy bands associated with each of the first scintillator, the second scintillator and the background noise of the photomultiplier. By separating energy bands, detection of each radiation element is less complex. The apparatus also includes a neutron filter (situated between the attenuating light guide and the second scintillator) which functions to reduce the occurrence of neutrons interacting with the second scintillator, thus facilitating energy band separation.
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Daniel Georges
Szabo Jean-Louis
Commissariat a l''Energie Atomique
Glick Edward J.
Hannaher Constantine
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