Ultrafast extreme ultraviolet induced isomerization of acetylene cations

Y. H. Jiang, A. Rudenko, O. Herrwerth, L. Foucar, M. Kurka, K. U. Kühnel, M. Lezius, M. F. Kling, J. Van Tilborg, A. Belkacem, K. Ueda, S. Düsterer, R. Treusch, C. D. Schröter, R. Moshammer, J. Ullrich

研究成果: Article査読

152 被引用数 (Scopus)

抄録

Ultrafast isomerization of acetylene cations ([HC=CH]⊃+) in the low-lying excited AΣg+2 state, populated by the absorption of extreme ultraviolet (XUV) photons (38 eV), has been observed at the Free Electron Laser in Hamburg, (FLASH). Recording coincident fragments C⊃++CH2+ as a function of time between XUV-pump and -probe pulses, generated by a split-mirror device, we find an isomerization time of 52±15fs in a kinetic energy release (KER) window of 5.8<KER<8eV, providing clear evidence for the existence of a fast, nonradiative decay channel.

本文言語English
論文番号263002
ジャーナルPhysical review letters
105
26
DOI
出版ステータスPublished - 2010 12 22

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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