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Osipov T, Cocke CL, Prior MH, et al. Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration. Phys Rev Lett. 2003;90(23):233002doi: 10.1103/PhysRevLett.90.233002.
Osipov, T., Cocke, C. L., Prior, M. H., Landers, A., Weber, T., Jagutzki, O., Schmidt, L., Schmidt-Böcking, H., & Dörner, R. (2003). Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration. Physical review letters, 90(23), 233002. https://doi.org/10.1103/PhysRevLett.90.233002
Osipov, T, et al. "Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration." Physical review letters vol. 90,23 (2003): 233002. doi: https://doi.org/10.1103/PhysRevLett.90.233002
Osipov T, Cocke CL, Prior MH, Landers A, Weber T, Jagutzki O, Schmidt L, Schmidt-Böcking H, Dörner R. Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration. Phys Rev Lett. 2003 Jun 13;90(23):233002. doi: 10.1103/PhysRevLett.90.233002. Epub 2003 Jun 10. PMID: 12857254.
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Phys Rev Lett. 2003 Jun 13;90(23):233002. doi: 10.1103/PhysRevLett.90.233002. Epub 2003 Jun 10.

Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration.

Physical review letters

T Osipov, C L Cocke, M H Prior, A Landers, Th Weber, O Jagutzki, L Schmidt, H Schmidt-Böcking, R Dörner

Affiliations

  1. J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA.

PMID: 12857254 DOI: 10.1103/PhysRevLett.90.233002

Abstract

We have used complete correlated momentum mapping of the photoelectron and heavy ion products from the dissociation of the di-cation of acetylene, induced by photoionizing the carbon K shell of one of the atoms, to map out the angular correlation between the electron and the axis of the target molecule. The (quasi-) symmetric decay is found to proceed through both acetylene and vinylidene configurations. By using the strongly peaked photoelectron emission to "start a clock," an upper limit of 60 fs is placed on the isomerization time from the acetylene to the vinylidene configuration.

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