A GENERALIZED SPEED-DEPENDENT LINE PROFILE COMBINING SOFT AND HARD PARTIALLY-CORRELATED DICKE-NARROWING COLLISIONS

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Title: A GENERALIZED SPEED-DEPENDENT LINE PROFILE COMBINING SOFT AND HARD PARTIALLY-CORRELATED DICKE-NARROWING COLLISIONS
Creators: Ciurylo, R.; Szudy, J.; Pine, A. S.
Issue Date: 1999
Publisher: Ohio State University
Abstract: In a classical treatise, Rautian and $Sobelman^{a}$ discussed a number of Dicke-narrowed spectral profiles incorporating strong (hard) and/or weak (soft) velocity-changing collisions statistically dependent on (correlated with) or independent of dephasing (pressure-broadening) collisions. More recently, the effects of speed-dependent broadening and shifting have been evident in accurately measured Dicke-narrowed line shapes analyzed in the limits of uncorrelated $soft^{b c d}$ or $hard^{e f}$ or partially-correlated $hard^{g}$ collision models. Combined soft and hard collision speed-dependent profiles have also been proposed in the uncorrelated and fully correlated $limits,^{h i}$ which we herein generalize for partial correlations applied to the case of Ar-broadened HF.
Description: $^{a}$ S. Rautian and I. Sobelman, Sov. Phys. Usp. 9, 701 (1967). $^{b}$ P. Duggan, P.M. Sinclair, A.D. May and J.R. Drummond, Phys. Rev. A 51, 218 (1995). $^{c}$ R. Ciurylo and J. Szudy, JQSRT 57, 411 (1997). $^{d}$ P. Duggin, P.M. Sinclair, R. Berman, A.D. May, J.R. Drummond, J. Mol. Spectrosc. 186, 90 (1997). $^{e}$ A. Henry, D. Hunmans, M. Margottin-Maclou and A. Valentine, JQSRT 56, 647 (1996). $^{f}$ B. Lance. G. Blanquet, J. Warland and J.P. Bouanich, J. Mol. Spectrosc. 185, 262 (1997). $^{g}$ A.S. Pine, JQSRT 62, 397 (1999). $^{h}$ R. Ciurylo, Phys. Rev. A 58, 1029 (1998). $^{i}$ B. Lance and D. Robert, J. Chem. Phys. 109, 8283 (1998).
Author Institution: Institute of Physics, Nicholas Copernicus University; Institute of Physics, Alpine Technologies
URI: http://hdl.handle.net/1811/19572
Other Identifiers: 1999-WH-06
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