Neutral radiation detection and localization

Details Neutral radiation detection and localization Neutral radiation detection and localization

1979-08-02

1981-08-25

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250385, 250484, G01T 118, H01J 3929

Patent

active

042861586

ABSTRACT:
PCT No. PCT/FR 78/00046 Sec. 371 Date Aug. 2, 1979 Sec. 102(e) Date Aug. 2, 1979 PCT Filed Dec. 7, 1978 PCT Pub. No. W079/00353 PCT Pub. Date June 28, 1979
A device for detecting and localizing soft gamma and X radiations, comprising an enclosure 10 provided with a window 11 opaque to light and transparent to incident radiations, occupied by a noble gas and provided with electrodes for causing the electrons to drift towards a secondary photon creation space.
In said space there reigns an electric field having sufficient value to cause the formation of secondary photons by excitation then de-excitation of the atoms of the noble gas. The secondary photons pass through a transparent window 12 and are converted into photons in the close UV or visible spectrum. The scintillations are localized by PM tubes 23 and 24.

REFERENCES:
patent: 2796527 (1957-06-01), Oosterkamp et al.
patent: 2953702 (1960-09-01), Zieler
patent: 3786270 (1974-01-01), Borkowski et al.
patent: 4074135 (1978-02-01), Stevens

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