Abstract
COINCIDENCE circuits with resolving times much exceeding 10-6 sec. can be obtained by making use of electron multiplier tubes1. The device shown in the diagram is a modification of the Rossi type circuit. Ultra high-frequency electron tubes, lately developed, have been used. Because of the small inter-electrode capacities, the high mutual conductance and the small coupling resistances (50–100 ohms), the input pulses are not noticeably distorted by valves 1 and 2 and thus reach the grid of valve 3 without appreciable delay.
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References
Papp, G. (unpublished).
Bothe, Z. Phys., 37, 547 (1926).
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BAY, Z., PAPP, G. Coincidence Device of 10-8-10-9 Sec. Resolving Power. Nature 161, 59–60 (1948). https://doi.org/10.1038/161059b0
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DOI: https://doi.org/10.1038/161059b0
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