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Preliminary Report on Existing Active Particle Hazard-200 Areas
"Recent surveys by the Health Instrument Section have disclosed the presence of many small radioactive spots on ground surfaces in the T and B plant areas. Investigation has shown that representative samples of the spots when mechanically separated invariably end in a single radioactive particle."
Date:
October 22, 1947
Creator:
Mickelson, M. L.
System:
The UNT Digital Library
A Fast Coincidence Circuit with Pulse Height Selection
Abstract: The output signal of a linear accelerator may have a rise time of 1-2 x 10[minus]7 seconds. Therefore, the output of a pulse height selector operating on this signal has a variation of delay from the original signal of about this amount. In the instrument to be described in this technical report this difficulty is largely resolved.
Date:
April 22, 1947
Creator:
Bell, P. B.; DeBenedetti, Sergio & Francis, J. B., Jr.
System:
The UNT Digital Library