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Discriminator Calibrator (open access)

Discriminator Calibrator

To calibrate a pulse height discriminator, the amplitude of the calibrating pulse must be known. If the amplitude is known, the discriminator dial may be calibrated in terms of the input signal required to just trip it. This is the purpose for which the Discriminator Calibrator was designed. It produces pulses of variable but known amplitude with a rep. rate variable from 3 pps to 4000 pps. The main use of this unit at the UCRL is in conjunction with scalers at fixed counting locations.
Date: November 27, 1951
Creator: Stripeika, Alex J. & Newton, Gene B.
System: The UNT Digital Library
Diffusion Equation Green's Functions for Box Problems (open access)

Diffusion Equation Green's Functions for Box Problems

The use of diffusion theory to attempt to reproduce the chemical data of Hicks and Stevenson for the spatial distribution of neutrons in a solid block of uranium that is bombarded by 190 Mev neutrons is described.
Date: December 27, 1951
Creator: Adelman, F.; Lepore, J. & Rosenblum, M.
System: The UNT Digital Library