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Calculation of molecular final states and their effect on a precision neutrino mass experiment

Description: An experiment to determine the electron neutrino mass is being performed with the precision of a few electron volts by measuring the tritium beta decay energy distribution near the endpoint. At the few electron volt level, a major consideration in the choice of a tritium source is the effect of excited final atomic or molecular states on the beta decay distribution. It is important to choose a source for which the initial and final states can be accurately calculated. Frozen tritium was chosen … more
Date: February 1, 1984
Creator: Fackler, O.; Mugge, M.; Sticker, H.; Winter, N. & Woerner, R.
Partner: UNT Libraries Government Documents Department
open access

Theoretical studies involving candidate VIA laser systems

Description: Theoretical studies supporting the Livermore photolytic Group VIA laser project were initiated early in 1977. Results of numerous theoretical studies which deal with the photolysis process, losses in the upper laser level and the photolytic pumps are described. Results of ab initio calculations on OCS have been used to assign the electronic states and to analyze the photolysis process. Photoionization cross sections of the upper laser level have been calculated for O(/sup 1/S), S(/sup 1/S) and … more
Date: October 5, 1977
Creator: Bender, C.; Hazi, A.; Orel, A.; Rescigno, T. & Winter, N.
Partner: UNT Libraries Government Documents Department
open access

Equilibrium and nonsequlibrium properties of bulk and nanosize clusters of carbon

Description: The detonation behavior of carbon-rich high explosives is affected by a slow coagulation of carbon atoms by diffusion and their possible transformation from one chemical bonding type to another. We have examined the applicabilityof the Brenner potential at high pressure and high temperature by molecular dynamics simulations and the stability and barrier height between graphitic and diamond clusters as a function of cluster size by quantum chemical calculations. The diffusion kinetics of carbon … more
Date: August 1997
Creator: Ree, F. H.; Glosli, J. & Winter, N.
Partner: UNT Libraries Government Documents Department
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