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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 66: Focus Session: Big Data in Aquisition in ARPES (joint session O/CPP)
CPP 66.8: Vortrag
Mittwoch, 18. März 2020, 12:45–13:00, REC C 213
Concept for Handling of Photoemission Data at European XFEL — •Markus Scholz1, Dmytro Kutnyakhov2, Michael Heber2, Manuel Izquierdo1, Hans Fangohr1, Yves Acremann4, Kai Rossnagel3, Anders Madsen1, and Serguei Molodtsov1 — 1European XFEL Facility, Holzkoppel 4, 22869 Schenefeld, Germany — 2Deutsches Elektronen-Synchrotron DESY, 22607 Hamburg, Germany — 3Ruprecht-Haensel-Labor, Christian-Albrechts-Universität zu Kiel and Deutsches Elektronen-Synchrotron DESY, 24098 Kiel and 22607 Hamburg, Germany — 4Laboratorium für Festkörperphysik, ETH Zürich, 8093 Zürich, Switzerland
European X-ray Free Electron Laser (EuXFEL) is currently the world's biggest, brightest and highest repetition rate XFEL providing up to 27000 pulses/second. The planned open port named "Soft X-ray Port" (SXP), will allow time-resolved X-ray photoelectron spectroscopy (TR-XPES) experiments. In this contribution I will present how near-online analysis of photoemission data based on Jupyter notebooks could be realized and embedded in the EuXFEL software framework. For compute-intensive notebooks, it is possible to allocate dedicated nodes with user-specified hardware configuration from the Maxwell computer cluster to a running JupyterHub session. This is of particular value due to the size of data sets and the the remotely accessible analysis.