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11 results on '"Halberstadt, N."'

1. General discussion

Author

Hancock, G, Troe, J, Stolte, S, He, Y, Pochert, J, Quack, M, Ranz, R, Seyfang, G, Demianeko, A, Walsh, R, Simons, J, Rizzo, T, MullerDethlefs, K, Miller, R, Lester, M, Oref, I, Perry, D, Buchachenko, A, Halberstadt, N, Reisler, H, Abel, B, Smith, I, Alexander, A, Clary, D, and Mills, I

Published
2016

3. VIBRATIONAL PREDISSOCIATION OF METHANE-Ar : AN AB-INITIO APPROACH

Author

Geleijns, M., Halberstadt, N., Millan, J., Wormer, P.E.S., and Van der Avoird, A.

Subjects
Physics::Atomic and Molecular Clusters, Astrophysics::Earth and Planetary Astrophysics, Physics::Chemical Physics
Abstract

We calculated the cross sections for vibrational predissociation of methane-Ar induced by excitation of the methane v3 mode with the aid of an ab initio CH4-Ar potential depending explicitly on the v3 and v1 normal coordinates of the CH4 monomer. We found that dissociation into CH4 fragments excited in the v1 mode, a V V process with very low kinetic energy release, strongly dominates over direct dissociation into Ar and ground state CH4, and is responsible for the line broadening observed experimentally. The (observed and calculated) strong variation of the line widths for the Van der Waals levels excited in combination with the v3 mode (giving states of A, F and E symmetry) is related to the opening up of appropriate v1 dissociation channels and the occurrence of rotational resonances in the v1 continuum in the energy range of the quasi-bound v3 levels.

Published
2001

7. General discussion

Author

Hancock, G, Troe, J, Stolte, S, He, Y, Pochert, J, Quack, M, Ranz, R, Seyfang, G, Demianeko, AV, Walsh, R, Simons, JP, Rizzo, T, MullerDethlefs, K, Miller, RE, Lester, MI, Oref, I, Perry, DS, Buchachenko, AA, Halberstadt, N, Reisler, H, Abel, B, Smith, IWM, Alexander, A, Clary, DC, Mills, IM, Stace, AJ, Moore, CB, Whitaker, BJ, and Child, MS

Published
1995

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