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Slow Neutron Velocity Spectrometer Transmission Studies of Pu

Description: The slow neutron transmission of several samples of plutonium is being investigated with the Columbia Neutron Velocity Spectrometer. The spectrometer, which has been described previously (Rainwater et al., Phys. Rev. 71, 65 (1947)), was recently improved, recalibrated, and the operational factor reevaluated (CUD-59). Results reported here were obtained by the procedure described in that report.
Date: May 28, 1951
Creator: Havens, W. W., Jr.; Melkonian, E.; Rainwater, L. J. & Levin, M.
Partner: UNT Libraries Government Documents Department
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FURTHER RESULTS ON THE PRODUCTION OF NEUTRAL MESONS BY PHOTONS

Description: Further measurements have been made on the photoproduction of neutral mesons using the gamma-gamma coincidence technique. New data have been obtained on the gamma-gamma correlation curves in beryllium. The angular distribution of the photo mesons in Be has been determined and found to be strongly peaked forward. The dependence on the atomic number A of production has been found to obey an A{sup2/3} law. Some data obtained for production in hydrogen show that the pi-zero and pi-plus production c… more
Date: October 1, 1951
Creator: Panofsky, W.K.H.; Steinberger, J. & Steller, J.
Partner: UNT Libraries Government Documents Department
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Energy Distribution of Fast Neutron Beam

Description: Experimental techniques are described for the spectral measurement of a collimated fast-neutron beam. A H/sub 2-/ filled cloud chamber, proton-recording nuclear plates, and threshold fission foils were used as neutron detectors in the measurements. As an application of these techniques, the energy distribution and absolute flux of the fast neutron beam emerging from the Los Alamos fast reactor was measured from 0.1 to 18 Mev. (D.E.B.)
Date: February 15, 1951
Creator: Nereson, N.; Allison, E.; Carlson, J.; Norwood, P. & Squires, D.
Partner: UNT Libraries Government Documents Department
open access

The Hydrolysis Products of Tributyl Phosphate and Their Effect on the Tributyl Phosphate Process for Uranium Recovery

Description: A study was made of the stability of tributyl phosphate (TBP) to acids, bases, and UO/sub 2/(NO/sub 3/su)/sub 2/ solutions, and of the chemistry of its decomposition products. The effect of such decomposition products on the extraction behavior of ion of MBP and lines the RAW analyzer and a subsequent reduction of feed flow rate in each case resulted in immediate reduction in losses, as evidenced by the polarographic results. In many such instances, several hours of operation at high waste loss… more
Date: April 15, 1951
Creator: Wagner, R. M.
Partner: UNT Libraries Government Documents Department
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