Hamburg 2009 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 33: Interaction with VUV and X-Ray Light II
A 33.3: Fachvortrag
Donnerstag, 5. März 2009, 17:30–18:00, VMP 8 R208
A New Endstation for Imaging and Photon-Particle Coincidence Experiments at VUV and X-Ray Free Electron Lasers — Sascha Epp1, Heinz Graafsma2, Robert Hartmann3, Helmut Hirsemann2, Faton Krasniqi1, Kai-Uwe Kühnel4, Robert Moshammer4, •Daniel Rolles1, Artem Rudenko1, Ilme Schlichting1,5, Lothar Strüder1,3, Simone Techert1,6, Joachim Ullrich1,4, and Christopher Youngman2 — 1Max Planck Advanced Study Group at CFEL, Hamburg, Germany — 2Deutsches Elektronen-Synchrotron (DESY), Hamburg, Germany — 3Max Planck Halbleiterlabor, München, Germany — 4Max-Planck-Institut für Kernphysik, Heidelberg, Germany — 5Max-Planck-Institut für medizinische Forschung, Heidelberg, Germany — 6Max-Planck-Institut für biophysikalische Chemie, Göttingen, Germany
We are building a new endstation to explore the interaction of intense VUV and soft x-ray radiation with various targets of increasing complexity and size, ranging from atoms and (laser-aligned) molecules to nano-particles such as clusters and biological targets, by measuring fluorescent or scattered photons in coincidence with ions and electrons. The endstation is equipped with two large-area, single-photon counting pnCCD detectors and specially-designed ion and electron spectrometers (VMI or reaction microscope), which can detect all charged particles with a large solid angle and measure their kinetic energies and emission directions, while still providing an unrestricted line-of-sight from the interaction region to the photon detectors. Proposed applications of the endstation at FLASH and LCLS are presented.