Publications by authors named "Gregor Hartmann"

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Automated spectrometer alignment via machine learning. Corrigendum.
Peter Feuer-Forson, Gregor Hartmann, Rolf Mitzner, Peter Baumgärtel, Christian Weniger

J Synchrotron Radiat· January 2026

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femto-PIXAR: a self-supervised neural network method for reconstructing femtosecond X-ray free electron laser pulses.
Gesa Goetzke, Rajan Plumley, Gregor Hartmann, Tim Maxwell, Franz-Josef Decker

Opt Express· July 2025

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Interplay of protection and damage through intermolecular processes in the decay of electronic core holes in microsolvated organic molecules.
Dana Bloß, Nikolai V Kryzhevoi, Jonas Maurmann, Philipp Schmidt, André Knie, Gregor Hartmann

Phys Chem Chem Phys· May 2025

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Automated spectrometer alignment via machine learning.
Peter Feuer-Forson, Gregor Hartmann, Rolf Mitzner, Peter Baumgärtel, Christian Weniger

J Synchrotron Radiat· July 2024

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Unsupervised real-world knowledge extraction via disentangled variational autoencoders for photon diagnostics.
Gregor Hartmann, Gesa Goetzke, Stefan Düsterer, Peter Feuer-Forson, Fabiano Lever

Sci Rep· December 2022

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Artificial intelligence for online characterization of ultrashort X-ray free-electron laser pulses.
Kristina Dingel, Thorsten Otto, Lutz Marder, Lars Funke, Arne Held, Gregor Hartmann

Sci Rep· October 2022

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Electronic quantum coherence in glycine molecules probed with ultrashort x-ray pulses in real time.
David Schwickert, Marco Ruberti, Přemysl Kolorenč, Sergey Usenko, Andreas Przystawik, Gregor Hartmann

Sci Adv· June 2022

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High-resolution electron time-of-flight spectrometers for angle-resolved measurements at the SQS Instrument at the European XFEL.
Alberto De Fanis, Markus Ilchen, Alexander Achner, Thomas M Baumann, Rebecca Boll, Gregor Hartmann

J Synchrotron Radiat· May 2022

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Attosecond coherent electron motion in Auger-Meitner decay.
Siqi Li, Taran Driver, Philipp Rosenberger, Elio G Champenois, Joseph Duris, Gregor Hartmann

Science· January 2022

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Suppression of X-ray-Induced Radiation Damage to Biomolecules in Aqueous Environments by Immediate Intermolecular Decay of Inner-Shell Vacancies.
Andreas Hans, Philipp Schmidt, Catmarna Küstner-Wetekam, Florian Trinter, Sascha Deinert, Gregor Hartmann

J Phys Chem Lett· August 2021

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Site-specific interrogation of an ionic chiral fragment during photolysis using an X-ray free-electron laser.
Markus Ilchen, Philipp Schmidt, Nikolay M Novikovskiy, Gregor Hartmann, Patrick Rupprecht, Nick Hartmann

Commun Chem· August 2021

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Attosecond transient absorption spooktroscopy: a ghost imaging approach to ultrafast absorption spectroscopy.
Taran Driver, Siqi Li, Elio G Champenois, Joseph Duris, Daniel Ratner, Gregor Hartmann

Phys Chem Chem Phys· February 2020

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Electronic Decay of Singly Charged Ground-State Ions by Charge Transfer via van der Waals Bonds.
Andreas Hans, Tsveta Miteva, Xaver Holzapfel, Christian Ozga, Philipp Schmidt, Gregor Hartmann

Phys Rev Lett· November 2019

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Commissioning of a photoelectron spectrometer for soft X-ray photon diagnostics at the European XFEL.
Joakim Laksman, Jens Buck, Leif Glaser, Marc Planas, Florian Dietrich, Gregor Hartmann

J Synchrotron Radiat· July 2019

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Efficient Fluorescence Quenching by Distant Production of a Free Electron.
Andreas Hans, Philipp Schmidt, Christian Ozga, Clemens Richter, Huda Otto, Gregor Hartmann

J Phys Chem Lett· March 2019

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Erratum: Hans, A.; Schmidt, P.; Ozga, C.; Hartmann, G.; Holzapfel, X.; Ehresmann, A.; Knie, A. Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples. Materials 2018, 11, 869.
Andreas Hans, Philipp Schmidt, Christian Ozga, Gregor Hartmann, Xaver Holzapfel

Materials (Basel)· December 2018

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Size limits of magnetic-domain engineering in continuous in-plane exchange-bias prototype films.
Alexander Gaul, Daniel Emmrich, Timo Ueltzhöffer, Henning Huckfeldt, Hatice Doğanay, Gregor Hartmann

Beilstein J Nanotechnol· December 2018

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Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples.
Andreas Hans, Philipp Schmidt, Christian Ozga, Gregor Hartmann, Xaver Holzapfel

Materials (Basel)· May 2018

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Generating circularly polarized radiation in the extreme ultraviolet spectral range at the free-electron laser FLASH.
Clemens von Korff Schmising, David Weder, Tino Noll, Bastian Pfau, Martin Hennecke, Gregor Hartmann

Rev Sci Instrum· May 2017

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