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Transient X-ray fragmentation: probing a prototypical photoinduced ring opening.
- Source :
-
Physical review letters [Phys Rev Lett] 2012 Jun 22; Vol. 108 (25), pp. 253006. Date of Electronic Publication: 2012 Jun 21. - Publication Year :
- 2012
-
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.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 108
- Issue :
- 25
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 23004597
- Full Text :
- https://doi.org/10.1103/PhysRevLett.108.253006