Photosensitive dopants for liquid noble gases

Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device

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250375, 250385, G01T 1185

Patent

active

047330856

ABSTRACT:
In an ionization type detector for high energy radiation wherein the energy of incident radiation is absorbed through the ionization of a liquid noble gas and resulting free charge is collected to form a signal indicative of the energy of the incident radiation, an improvement comprising doping the liquid noble gas with photosensitive molecules to convert scintillation light due to recombination of ions, to additional free charge.

REFERENCES:
patent: 4429228 (1984-01-01), Anderson
Charpak et al, "The Photo-Ionization Proportional Scintillation Chamber", IEEE Trans. Nucl. Sci, NS-27(1), Feb. 1980, pp. 212-215.
Miyajima et al, "Proportional Counter Filled with Highly Purified Liquid Xenon", Nucl. Instr. and Methods, 134(2), Apr. 15, 1976, pp. 403-405.

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