dc.creator Reddy, S. Paddi en_US dc.creator Chang, K. S. en_US dc.date.accessioned 2006-06-15T13:27:08Z dc.date.available 2006-06-15T13:27:08Z dc.date.issued 1971 en_US dc.identifier 1971-S-6 en_US dc.identifier.uri http://hdl.handle.net/1811/8811 dc.description Author Institution: Department of Physics, Memorial University of New-foundland en_US dc.description.abstract The collision-induced fundamental infrared absorption band of hydrogen in $H_{2}-He$ and $H_{2}-Ne$ mixtures at $77^{\circ} K$, $195^{\circ} K$, $273^{\circ} K$ and $298^{\circ} K$ has been studied for gas densities up to 530 amagat for several base densities of hydrogen. In each of these mixtures the enhancement absorption profiles show, in addition to the usual splitting of the Q branch into the main $Q_{P}$ and $Q_{R}$ components, a splitting of the S(1) line into $S_{P}$(1) and $S_{R}$(1) components at all the experimental temperatures, and a secondary splitting of the main $Q_{P}$ component into the $Q_{P}$(3) and $Q_{R}$(3) components at $273^{\circ} K$ and $298^{\circ} K$. The profiles of $H_{2}-He$ at $77^{\circ} K$ also show a splitting of the S(0) line into $S_{P}$(0) and $S_{R}$(0). Integrated absorption coefficients were measured and binary and ternary absorption coefficients were derived. Van Kranendonk’s theory of the `exp-4^{\prime} model for the induced dipole moment was applied to the experimental binary absorption coefficients. The overlap parts of these coefficients were obtained from the experimental values by subtracting the quadrupolar parts, calculated from the known molecular parameters. The overlap parameters $\lambda$ and $\rho$, giving respectively the magnitude and range of the overlap moment, were then determined for each of the mixtures by obtaining the best fit of the calculated overlap part of the binary absorption coefficient as a function of temperature to the experimental values of the overlap parts. The values of $\lambda$ and $\rho$ are as follows: “figure” en_US dc.format.extent 176636 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title OVERLAP PARAMETERS OF THE $H_{2}-He$ and $H_{2}-Ne$ PAIRS FROM THE COLLISION-INDUCED INFRARED FUNDAMENTAL BAND OF $H_{2}$ en_US dc.type article en_US
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