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  Quantum-state resolved bimolecular collisions of velocity-controlled OH with NO radicals

Kirste, M., Wang, X., Schewe, C., Meijer, G., Liu, K., van der Avoird, A., et al. (2012). Quantum-state resolved bimolecular collisions of velocity-controlled OH with NO radicals. Science, 338(6110), 1060-1063. doi:10.1126/science.1229549.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-1C21-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-1C23-5
Genre: Journal Article

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arXiv:1210.5947 (Preprint), 778KB
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 Creators:
Kirste, Moritz1, Author           
Wang, Xingan1, Author           
Schewe, Christian1, Author           
Meijer, Gerard1, Author           
Liu, Kopin2, Author
van der Avoird, Ad3, Author
Janssen, Liesbeth M. C.3, Author
Gubbels, Koos B.3, Author
Groenenboom, Gerrit C.3, Author
Meerakker, Sebastiaan Y. T. van de1, 3, Author           
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
2Institute of Atomic and Molecular Sciences (IAMS), Academia Sinica, Taipei, Taiwan 10617. , ou_persistent22              
3Radboud University Nijmegen, Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands. , ou_persistent22              

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Free keywords: Physics, Chemical Physics, physics.chem-ph, Physics, Atomic Physics, physics.atom-ph
 Abstract: Whereas atom-molecule collisions have been studied with complete quantum state resolution, interactions between two state-selected molecules have proven much harder to probe. Here, we report the measurement of state-resolved inelastic scattering cross sections for collisions between two open-shell molecules that are both prepared in a single quantum state. Stark-decelerated OH radicals were scattered with hexapole-focused NO radicals in a crossed beam configuration. Rotationally and spin-orbit inelastic scattering cross sections were measured on an absolute scale for collision energies between 70 and 300 cm⁻¹. These cross sections show fair agreement with quantum coupled-channels calculations using a set of coupled model potential energy surfaces based on ab initio calculations for the long-range non-adiabatic interactions and a simplistic short-range interaction. This comparison reveals the crucial role of electrostatic forces in complex molecular collision processes.

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Language(s): eng - English
 Dates: 2012-08-302012-10-102012-10-222012-11-23
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 1210.5947
URI: http://arxiv.org/abs/1210.5947
DOI: 10.1126/science.1229549
 Degree: -

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Title: Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 338 (6110) Sequence Number: - Start / End Page: 1060 - 1063 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1