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With this standard configuration, XPP will be able to support time-resolved wide-angle scattering and x-ray emission measurements for the study of photo-excited molecular dynamics in the solution phase.
A von Hamos spectrometer will be available of the measurement of the following x-ray emission lines: Mn Kß1,3, Kß2,5 and Kα, Fe Kß1,3 and Kß2,5, Co Kß1,3 and Kß2,5, Ni Kß1,3 and Kß2,5, Ti Kß1,3 and Kß2,5 and V Kα.
A helium purged sample chamber will be used to house the liquid jet, with Kapton windows to allow x-ray scattering and emission to be measured by detectors outside the chamber. Liquid jet driven by HPLC pumps will be used to deliver the sample into the interaction point.
Round Jet diameters of the following size are available : 20, 30, 40, 50, 75, 100, 125, 150, 175, 200, 250, 300, 500.
Flat-sheet thicknesses of the following size are available : 19, 25, 38, 50, 75, 100, 125, 175, 188, 250.
Every user group accepted and scheduled to use the XPP standard configuration will be strongly advised to test the injection of their sample at the LCLS Sample Characterization Lab prior to the experiment.
LCLS proposals are submitted through the User Portal.
SLAC National Accelerator Laboratory, Menlo Park, CA
Operated by Stanford University for the U.S. Dept. of Energy