FS-CFEL-1

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2017-04-12
10:21
OpenAccess [PUBDB-2017-01661] Journal Article
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Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser
ddc:530
In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can be achieved. Here, we present a pump-probe experiment on the UV-induced dissociation of 2,6-difluoroiodobenzene $(C_{6}H_{3}F_{2}I)$ molecules performed at the FLASH FEL that takes advantage of recent upgrades of the FLASH timing and synchronization system to obtain high-quality data that are not limited by the FEL arrival-time jitter. [...]
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2017-03-27
10:17
OpenAccess [PUBDB-2017-01464] Journal Article
; ; ; et al
Simulating electric field interactions with polar molecules using spectroscopic databases
ddc:000
Ro-vibrational Stark-associated phenomena of small polyatomic molecules are modelled using extensive spectroscopic data generated as part of the ExoMol project. The external field Hamiltonian is built from the computed ro-vibrational line list of the molecule in question. [...]
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2017-03-18
19:12
[PUBDB-2017-01411] Journal Article

Single molecule imaging using X-ray free electron lasers
ddc:570
The potential to image single molecules in action without the need for crystallisation was one of the most exciting applications promised during construction of the first XFELs. Over the past years significant progress has been made, even though the goal of molecular imaging has not yet been achieved. [...]
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2017-03-18
19:10
OpenAccess [PUBDB-2017-01410] Journal Article
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Bragg coherent diffraction imaging and metrics for radiation damage in protein micro-crystallography
ddc:540
The proliferation of extremely intense synchrotron sources has enabled ever higher-resolution structures to be obtained using data collected from smaller and often more imperfect biological crystals (Helliwell, 1984). Synchrotron beamlines now exist that are capable of measuring data from single crystals that are just a few micrometres in size [...]
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2017-03-16
15:22
OpenAccess [PUBDB-2017-01394] Journal Article
; ; ; et al
Double-flow focused liquid injector for efficient serial femtosecond crystallography
ddc:000
Serial femtosecond crystallography requires reliable and efficient delivery of fresh crystals across the beam of an X-ray free-electron laser over the course of an experiment. We introduce a double-flow focusing nozzle to meet this challenge, with significantly reduced sample consumption, while improving jet stability over previous generations of nozzles. [...]
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2017-03-06
12:16
OpenAccess [PUBDB-2017-01302] Report/Journal Article
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Characterizing gas flow from aerosol particle injectors
[arXiv:1609.09020] ddc:530
A novel methodology for measuring gas flow from small orifices or nozzles into vacuum is presented. It utilizes a high-intensity femtosecond laser pulse to create a plasma within the gas plume produced by the nozzle, which is imaged by a microscope. [...]
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2017-03-02
10:29
[PUBDB-2017-01254] Conference Presentation (Invited)

Laser-induced electron diffraction of controlled molecules
International Focus Workshop with Annual Meeting of the DFG Priority Programme QUTIF, QUTIF17, Meeting locationDresden, Max Planck Institute for the Physics of Complex Systems, Germany, 27 Feb 2017 - 1 Mar 20172017-02-272017-03-01
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2017-02-23
10:13
[PUBDB-2017-01096] Journal Article
; ; ; et al
Ab-Initio Surface Hopping and Multiphoton Ionisation Study of the Photodissociation Dynamics of CS2
ddc:540
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2017-02-15
11:08
arXiv [PUBDB-2017-00963] Report/Journal Article
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Separating Para and Ortho Water
[arXiv:1407.2056] ddc:540
Water exists as two nuclear-spin isomers, para and ortho, determined by the overall spin of its two hydrogen nuclei. For isolated water molecules, the conversion between these isomers is forbidden and they act as different molecular species. [...]
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2017-02-14
17:11
OpenAccess [PUBDB-2017-00962] Poster
; ; ; et al
Photophysics and electrondynamics of indole and indole-water cluster
MEDEA Summer school: Ultrafast dynamics with intense radiation sources, MEDEA, Meeting locationHeraklion, Center for Free- Electron Laser Science, Greece, 18 Oct 2016 - 22 Oct 20162016-10-182016-10-22
 GO
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