Výsledky vyhledávání - "Ischebeck, Rasmus"

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Electron beam transverse phase space tomography using nanofabricated wire scanners with submicrometer resolution

Autor: Hermann, Benedikt, Guzenko, Vitaliy A., Hürzeler, Orell R., Kirchner, Adrian, Orlandi, Gian Luca, Prat, Eduard, Ischebeck, Rasmus

Publikováno v: Phys. Rev. Accel. Beams 24, 022802, Published 15 February 2021

Characterization and control of the transverse phase space of high-brightness electron beams is required at free-electron lasers or electron diffraction experiments for emittance measurement and beam optimization as well as at advanced acceleration e

Externí odkaz: http://arxiv.org/abs/2102.08028

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Adaptive and Safe Bayesian Optimization in High Dimensions via One-Dimensional Subspaces

Autor: Kirschner, Johannes, Mutný, Mojmír, Hiller, Nicole, Ischebeck, Rasmus, Krause, Andreas

Bayesian optimization is known to be difficult to scale to high dimensions, because the acquisition step requires solving a non-convex optimization problem in the same search space. In order to scale the method and keep its benefits, we propose an al

Externí odkaz: http://arxiv.org/abs/1902.03229

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Opportunities in Machine Learning for Particle Accelerators

Autor: Edelen, Auralee, Mayes, Christopher, Bowring, Daniel, Ratner, Daniel, Adelmann, Andreas, Ischebeck, Rasmus, Snuverink, Jochem, Agapov, Ilya, Kammering, Raimund, Edelen, Jonathan, Bazarov, Ivan, Valentino, Gianluca, Wenninger, Jorg

Machine learning (ML) is a subfield of artificial intelligence. The term applies broadly to a collection of computational algorithms and techniques that train systems from raw data rather than a priori models. ML techniques are now technologically ma

Externí odkaz: http://arxiv.org/abs/1811.03172

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Generation and Measurement of Sub-Micrometer Relativistic Electron Beams

Autor: Borrelli, Simona, Orlandi, Gian Luca, Bednarzik, Martin, David, Christian, Ferrari, Eugenio, Guzenko, Vitaliy A., Ozkan-Loch, Cigdem, Prat, Eduard, Ischebeck, Rasmus

The generation of low-emittance electron beams has received significant interest in recent years. Driven by the requirements of X-ray free electron lasers, the emittance of photocathode injectors has been reduced significantly, with a corresponding i

Externí odkaz: http://arxiv.org/abs/1804.04252

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Energy efficiency studies for dual-grating dielectric laser-driven accelerators

Autor: Wei, Yelong, Ibison, Mark, Resta-Lopez, Javier, Welsch, Carsten, Ischebeck, Rasmus, Jamison, Steven, Xia, Guoxing, Dehler, Micha, Prat, Eduard, Smith, Jonathan

Dielectric laser-driven accelerators (DLAs) can provide high accelerating gradients in the GV/m range due to their having higher breakdown thresholds than metals, which opens the way for the miniaturization of the next generation of particle accelera

Externí odkaz: http://arxiv.org/abs/1712.04759

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Akademický článek

The ACHIP experimental chambers at the Paul Scherrer Institut

Publikováno v: In Nuclear Inst. and Methods in Physics Research, A 1 November 2018 907:244-247

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