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Calculation of oxygen diffusion in plutonium oxide films during the high-temperature oxidation of plutonium-1 weight percent gallium in 500 torr of air
Oxygen self-diffusion in PuO/sub 1.995/ was calculated from rate constants obtained for the parabolic oxidation of the Pu-1 wt % Ga alloy in 500-torr dry air between 250 and 480/degree/C. The activation energy for oxygen vacancy diffusion in the n-type PuO/sub 2-x/ is 22.6 kcal/mole. Results from this investigation are compared with other reported results, and possible explanation for the difference in results is discussed. 21 refs., 5 figs., 1 tab.
Date:
May 27, 1988
Creator:
Stakebake, J. L.
Object Type:
Report
System:
The UNT Digital Library
Twos in two photon physics: A convention for the. gamma. gamma. * width of a spin-one particle
The two conventions for the {gamma}{gamma}* width of a spin-one resonance are discussed. It is shown that the more reasonable one is the one that gives the larger experimental value. 5 refs.
Date:
May 27, 1988
Creator:
Cahn, R.N.
Object Type:
Article
System:
The UNT Digital Library