PULSED GAMMA INITIATION OF BREAKDOWN IN GAS TUBES
HARRY DIAMOND LABS ADELPHI MD
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Miniature cold-cathode diodes of the GE XD series were subjected to pulses of gamma radiation from the electron linear-acceleration linac facility to determine under laboratory conditions the values of gamma dose and dose rate required to initiated breakdown in the diodes at different bias voltages. Elapsed time between gamma pulse onset and diode breakdown was measured. Curves are presented of the relationship between gamma dose and diode breakdown as a function of diode voltage. The data are compared with similar data taken in Operation Plumbbob Nevada 1957. the results show that each of the diodes tested is applicable to nuclear-proofing devices with corresponding operating voltage range.
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