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J. Kral, Jens Georg, R. Kammering
Electro-optical bunch arrival time measurement is a method to monitor the timing of bunches in predominantly linear electron accelerators to below femtosecond precision. Despite the method being well established, a stable and fully available measurement was reported only recently. DESY’s free-electron lasers …
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Antonin Sulc, Thorsten Hellert, R. Kammering, Jason St. John
As particle accelerators grow in complexity, traditional control methods face increasing challenges in achieving optimal performance. This paper envisions a paradigm shift: a decentralized multi-agent framework for accelerator control, powered by Large Language Models (LLMs) and distributed among autonomous agents. We present …
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Antonin Sulc, Gregor Hartmann, José Alberto Maldonado, Verena Kain et autres
Electronic logbooks contain valuable information about activities and events concerning their associated particle accelerator facilities. However, the highly technical nature of logbook entries can hinder their usability and automation. As natural language processing (NLP) continues advancing, it offers opportunities to address various …
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Antonin Sulc, Alex Bien, Annika Eichler, Daniel F. Ratner et autres
Electronic logbooks contain valuable information about activities and events concerning their associated particle accelerator facilities. However, the highly technical nature of logbook entries can hinder their usability and automation. As natural language processing (NLP) continues advancing, it offers opportunities to address various …
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Antonin Sulc, R. Kammering, Annika Eichler, T. Wilksen
Navigating the landscape of particle accelerators has become increasingly challenging with recent surges in contributions. These intricate devices challenge comprehension, even within individual facilities. To address this, we introduce PACuna, a fine-tuned language model refined through publicly available accelerator resources like conferences, …
Trey W. Guest, Richard Bean, R. Kammering, Grant A. van Riessen et autres
Many coherent imaging applications that utilize ultrafast X-ray free-electron laser (XFEL) radiation pulses are highly sensitive to fluctuations in the shot-to-shot statistical properties of the source. Understanding and modelling these fluctuations are key to successful experiment planning and necessary to maximize the …
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Trey W. Guest, Richard Bean, Johan Bielecki, Šarlota Birnšteinová et autres
Characterizing the properties of X-ray free-electron laser (XFEL) sources is a critical step for optimization of performance and experiment planning. The recent availability of MHz XFELs has opened up a range of new opportunities for novel experiments but also highlighted the need …
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Winfried Decking, Suren Abeghyan, P. Abramian, A. Abramsky et autres
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Winfried Decking, Suren Abeghyan, P. Abramian, A. Abramsky et autres
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Alexander Scheinker, Dorian Bohler, Sergey Tomin, R. Kammering et autres
The output power of a free electron laser (FEL) has extremely high variance even when all FEL parameter set points are held constant because of the stochastic nature of the self-amplified spontaneous emission (SASE) FEL process, drift of thousands of coupled parameters, …
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Winfried Decking, Frank Brinker, Lars Fröhlich, R. Kammering et autres
The European XFEL is a Hard X-ray Free Electron Laser based on superconducting accelerator technology. In operation since 2017, it now serves 3 FEL beamlines simultaneously for user experiments. We will report on the present operation of the linear accelerator, the beam …
Lars Fröhlich, Arthur Aghababyan, V. Balandin, Bolko Beutner et autres
The European XFEL uses a unique beam distribution scheme to direct electron bunches to its three undulator lines. The accelerator delivers up to 600 microsecond long bunch trains, out of which parts or individual bunches can be selected for photon production in …
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