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Transient x-ray fragmentation: probing a prototypical photoinduced ring opening

Transient x-ray fragmentation: probing a prototypical photoinduced ring opening
Transient x-ray fragmentation: probing a prototypical photoinduced ring opening
We report the first study of UV-induced photoisomerization probed via core ionization by an x-ray laser. We investigated x-ray ionization and fragmentation of the cyclohexadiene-hexatriene system at 850 eV during the ring opening. We find that the ion-fragmentation patterns evolve over a picosecond, reflecting a change in the state of excitation and the molecular geometry: the average kinetic energy per ion fragment and H+-ion count increase as the ring opens and the molecule elongates. We discuss new opportunities for molecular photophysics created by optical pump x-ray probe experiments.
253006-[5 pages]
Petrovic, Vladimir
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Siano, Marco
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White, James L
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Berrah, Nora
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Bostedt, Christoph
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Bozek, John D
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Broege, Douglas
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Chalfin, Max
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Coffee, Ryan N
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Cryan, James
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Fang, Li
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Farrell, Joseph P
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Frasinski, Leszek J
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Glownia, James M
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Guhr, Markus
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Hoener, Matthias
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Holland, David M. P
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Kim, Jahee
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Marangos, Jonathan P
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Martinez, Todd
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McFarland, Brian K
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Minns, R.S.
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Miyabe, Shungo
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Schorb, Sebastian
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Sension, Roseanne J
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Spector, Limor S
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Squibb, Richard
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Tao, Hongli
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Underwood, Jonathan G
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Bucksbaum, Philip H
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Petrovic, Vladimir
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Siano, Marco
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White, James L
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Berrah, Nora
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Bostedt, Christoph
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Bozek, John D
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Broege, Douglas
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Chalfin, Max
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Coffee, Ryan N
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Cryan, James
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Fang, Li
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Farrell, Joseph P
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Frasinski, Leszek J
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Glownia, James M
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Guhr, Markus
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Hoener, Matthias
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Holland, David M. P
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Kim, Jahee
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Marangos, Jonathan P
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Martinez, Todd
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McFarland, Brian K
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Minns, R.S.
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Miyabe, Shungo
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Schorb, Sebastian
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Sension, Roseanne J
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Spector, Limor S
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Squibb, Richard
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Tao, Hongli
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Underwood, Jonathan G
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Bucksbaum, Philip H
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Petrovic, Vladimir, Siano, Marco and White, James L et al. (2012) Transient x-ray fragmentation: probing a prototypical photoinduced ring opening. Physical Review Letters, 108 (25), 253006-[5 pages]. (doi:10.1103/PhysRevLett.108.253006).

Record type: Article

Abstract

We report the first study of UV-induced photoisomerization probed via core ionization by an x-ray laser. We investigated x-ray ionization and fragmentation of the cyclohexadiene-hexatriene system at 850 eV during the ring opening. We find that the ion-fragmentation patterns evolve over a picosecond, reflecting a change in the state of excitation and the molecular geometry: the average kinetic energy per ion fragment and H+-ion count increase as the ring opens and the molecule elongates. We discuss new opportunities for molecular photophysics created by optical pump x-ray probe experiments.

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Published date: 26 July 2012
Organisations: Chemistry, Computational Systems Chemistry

Identifiers

Local EPrints ID: 340592
URI: http://eprints.soton.ac.uk/id/eprint/340592
PURE UUID: 84640ac9-baf2-4d81-915b-7e2394ad471f
ORCID for R.S. Minns: ORCID iD orcid.org/0000-0001-6775-2977

Catalogue record

Date deposited: 26 Jun 2012 13:46
Last modified: 17 Dec 2019 01:39

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Contributors

Author: Vladimir Petrovic
Author: Marco Siano
Author: James L White
Author: Nora Berrah
Author: Christoph Bostedt
Author: John D Bozek
Author: Douglas Broege
Author: Max Chalfin
Author: Ryan N Coffee
Author: James Cryan
Author: Li Fang
Author: Joseph P Farrell
Author: Leszek J Frasinski
Author: James M Glownia
Author: Markus Guhr
Author: Matthias Hoener
Author: David M. P Holland
Author: Jahee Kim
Author: Jonathan P Marangos
Author: Todd Martinez
Author: Brian K McFarland
Author: R.S. Minns ORCID iD
Author: Shungo Miyabe
Author: Sebastian Schorb
Author: Roseanne J Sension
Author: Limor S Spector
Author: Richard Squibb
Author: Hongli Tao
Author: Jonathan G Underwood
Author: Philip H Bucksbaum

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