Record Details

Title:
Ultrafast Photoelectron Circular Dichroism Changes in 1- Iodo-2-methylbutane
Affiliation(s):
EuXFEL staff, Other
Author group:
Instrument SQS
Topic:
Scientific area:
Abstract:
Highly intense circularly polarized XUV free-electron laser pulses were used to observe the time-resolved photoelectron circular dichroism (TR-PECD) of a prototypical chiral molecule as 1-Iodo-2- methylbutane $(C_{5}H_{11}I)$ during laser induced fragmentation. The presented experiment was performed at the BL1 CAMP endstation at FLASH1 in Hamburg. With a two-sided velocity map imaging spectrometer, electron-ion correlations were obtained and the time-resolved ejection of ionic and neutral atomic iodine was observed. These fragments serve as observer site to monitor the evolving chirality of the molecule. For probing the different fragmentation channels of the chiral molecule (R-enatiomer, S-enatiomer and the racematic mixture), two different photon energies, i.e. 63 eV (for neutral iodine) and 75 eV (for singly charged iodine), were used.
Imprint:
2019
Language(s):
English
Conference information:
DPG Frühjahrstagung, Rostock, 2019-03-10, 2019-03-15


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 Record created 2019-03-18, last modified 2019-03-19

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