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  An analytic model of the stereodynamics of rotationally inelastic molecular collisions

Lemeshko, M., & Friedrich, B. (2010). An analytic model of the stereodynamics of rotationally inelastic molecular collisions. Physical Chemistry Chemical Physics, 12, 1038-1041. doi:10.1039/b920899b.

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438215(Lemeshko).pdf (Preprint), 560KB
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arXiv:0910.0952v2 [physics.chem-ph] 3 Nov 2009
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Lemeshko, Mikhail1, Author           
Friedrich, Bretislav1, Author           
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1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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 Abstract: We develop an analytic model of vector correlations in rotationally inelastic atom-diatom collisions and test it against the much examined Ar--NO (X²Π) system. Based on the Fraunhofer scattering of matter waves, the model furnishes complex scattering amplitudes needed to evaluate the polarization moments characterizing the quantum stereodynamics. The analytic polarization moments are found to be in an excellent agreement with experimental results and with close-coupling calculations available at thermal energies. The model reveals that the stereodynamics is governed by diffraction from the repulsive core of the Ar--NO potential, which can be characterized by a single Legendre moment.

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Language(s): eng - English
 Dates: 2010
 Publication Status: Issued
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 Rev. Type: Peer
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Title: Physical Chemistry Chemical Physics
  Alternative Title : Phys. Chem. Chem. Phys.
Source Genre: Journal
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Pages: - Volume / Issue: 12 Sequence Number: - Start / End Page: 1038 - 1041 Identifier: -