A4 Vertaisarvioitu artikkeli konferenssijulkaisussa
Time-resolved dynamics of thiophene dication - probing parent molecule survival times and multi-step dissociation processes of cyclic molecules by free-electron-laser experiments combined with theoretical simulations
Tekijät: Kukk E, Fukuzawa H, Nagaya K, Niskanen J, Luo Y, Peschel J, Kooser K, Itl E, Pelimanni E, Saito S, You D, Maclot S, Nizou A, Ha DT, Myllynen H, Ueda K
Toimittaja: Ancarani L. U. et al.
Konferenssin vakiintunut nimi: International Conference on Photonic, Electronic and Atomic Collisions
Julkaisuvuosi: 2020
Journal: Journal of Physics: Conference Series
Kokoomateoksen nimi: 31st International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC XXXI) 23-30 July 2019, Deauville, France
Tietokannassa oleva lehden nimi: 31ST INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC XXXI)
Lehden akronyymi: J PHYS CONF SER
Artikkelin numero: ARTN 112007
Vuosikerta: 1412
Aloitussivu: 112007
Sivujen määrä: 1
ISSN: 1742-6588
DOI: https://doi.org/10.1088/1742-6596/1412/11/112007
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/49808155
Thiophene is a cyclic molecule that becomes unstable as a molecular dication. We followed the multi-step dissociation dynamics triggered by soft x-ray FEL pulses from SACLA, core-ionizing the S 2p orbital and creating parent dications by the Auger decay. The time-evolution was probed by optical laser pulsesthat reveal the survival lifetime of the parent dication and the build-up of fragmentation proceeding by ring opening and rupture, accompanied by hydrogen ejection and secondary dissociation. Experimental results are compared to statistical analysis of molecular dynamics simulations.
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