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Issue 18, 2011
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Differential cross sections for H + D2 → HD(v′ = 2, j′ = 0,3,6,9) + D at center-of-mass collision energies of 1.25, 1.61, and 1.97 eV

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Abstract

We have measured differential cross sections (DCSs) for the reaction H + D2 → HD(v′ = 2,j′ = 0,3,6,9) + D at center-of-mass collision energies Ecoll of 1.25, 1.61, and 1.97 eV using the photoloc technique. The DCSs show a strong dependence on the product rotational quantum number. For the HD(v′ = 2,j′ = 0) product, the DCS is bimodal but becomes oscillatory as the collision energy is increased. For the other product states, they are dominated by a single peak, which shifts from back to sideward scattering as j′ increases, and they are in general less sensitive to changes in the collision energy. The experimental results are compared to quantum mechanical calculations and show good, but not fully quantitative agreement.

Graphical abstract: Differential cross sections for H + D2 → HD(v′ = 2, j′ = 0,3,6,9) + D at center-of-mass collision energies of 1.25, 1.61, and 1.97 eV

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Publication details

The article was received on 08 Nov 2010, accepted on 23 Nov 2010 and first published on 20 Dec 2010


Article type: Paper
DOI: 10.1039/C0CP02460K
Citation: Phys. Chem. Chem. Phys., 2011,13, 8175-8179
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    Differential cross sections for H + D2 → HD(v′ = 2, j′ = 0,3,6,9) + D at center-of-mass collision energies of 1.25, 1.61, and 1.97 eV

    N. C.-M. Bartlett, J. Jankunas, T. Goswami, R. N. Zare, F. Bouakline and S. C. Althorpe, Phys. Chem. Chem. Phys., 2011, 13, 8175
    DOI: 10.1039/C0CP02460K

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