2022-12-15 14:26 |
[PUBDB-2022-07683]
Abstract
Schaper, L. ; Beye, M. ; Hartl, I. ; et al
A bright future for new innovative and excellent opportunities for science at FLASH
202314th International Particle Accelerator Conference, IPAC'23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
The FLASH2020+ project will open up new excellent opportunities for science on the highest level. The FLASH facility will not only produce soft x-ray SASE photon beams at full MHz repetition rate in a burst mode in FLASH2, but will also provide in FLASH1 several thousand fully coherent pulses per second using the HGHG and EEHG external seeding schemes. [...]
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2022-12-13 16:33 |
[PUBDB-2022-07585]
Abstract
Grech, C. ; Jafarinia, F. ; Geloni, G. ; et al
Virtual Photon Pulse Characterisation Using Machine Learning Methods
202314th International Particle Accelerator Conference, IPAC'23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
The use of fast computational tools is important in the operation of X-ray free electron lasers, in order to predict the output of diagnostics when they are either destructive or unavailable. Physics-based simulations can be computationally intensive to provide estimates on a real-time basis. [...]
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2022-12-07 10:38 |
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2022-12-02 17:17 |
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2022-11-16 10:11 |
[PUBDB-2022-06737]
Abstract
Rossi, G. M. ; Mainz, R. E. ; Scheiba, F. ; et al
Tunable isolated attosecond pulse generation by sub-cycle synthesized waveforms
2022European Conference on the Dynamics of Molecular Systems, MOLEC 2022, HamburgHamburg, Germany, 21 Aug 2022 - 26 Aug 20222022-08-212022-08-26
The future development of attosecond science will largely depend on the availability of better attosecond pulsesources. In particular, the current generation of laser-based attosecond sources suffers from a low photon-flux,especially in the soft X-ray region, and a limited tunability of attosecond pulse parameters, such as its centralenergy, bandwidth and consequently pulse duration, from a single source. [...]
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2022-09-15 17:33 |
[PUBDB-2022-04795]
Abstract
Sulc, A. ; Kammering, R. ; Wilksen, T.
Status of Data-Driven Beam Trajectory Anomaly Detection at European XFEL
20223rd ICFA Beam Dynamics Mini-Workshop on Machine Learning Applications for Particle Accelerators, ChicagoChicago, USA, 1 Nov 2022 - 4 Nov 20222022-11-012022-11-04
An accurate assessment of beam orbits is a reliable characteristic of operations at SASE beamlines at European XFEL. The current availability of hardware for data-driven models like GPUs enabled to deploy models which are capable of handling enormous throughput of data provide tools for more sophisticated analysis of current operations with state-of-the-art machine learning models. [...]
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2022-07-01 14:36 |
[PUBDB-2022-03237]
Abstract
Büchler, M. ; Hoffmann, M. ; Gümüs, C. ; et al
Controller Latency Improvements at REGAE
2022Low Level RF Workshop 2022, WindischWindisch, Switzerland, 9 Oct 2022 - 13 Oct 20222022-10-092022-10-13
REGAE is a facility for ultrafast electron diffraction (UED) experiments based on a normal conducting S-band gun and buncher cavity. Their RF regulation is performed by a single cavity controller, implemented by an FPGA firmware and operating at 125 MHz. [...]
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2022-05-07 20:59 |
[PUBDB-2022-02515]
Abstract
Sulc, A. ; Branlard, J. ; Eichler, A. ; et al
Machine Learning for Detection of Anomalies on Klystrons at the European XFEL
202231st Linear Accelerator Conference, LINAC2022, LiverpoolLiverpool, UK, 29 Aug 2022 - 2 Sep 20222022-08-292022-09-02
High-power multi-beam klystrons represent a key component to amplify the acceleration field of the radio frequency superconducting (SRF) cavities at European XFEL. Exchanging these high-power components takes time and effort, thus it is necessary to minimize maintenance and down times and at the same time maximize the device operation. [...]
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2020-08-10 13:13 |
[PUBDB-2020-02965]
Abstract
Virovets, A. ; Peresypkina, E. ; Scheer, M.
Giant supramolecules as molecular containers
2019European Crystallographic Meeting 2019, ECM 2019, ViennaVienna, Austria, 18 Aug 2019 - 23 Aug 20192019-08-182019-08-23
(2019) [10.1107/S2053273319090259]2019
One of the most outstanding areas in the modern coordination chemistry is the rational design of giantsupramolecules built up from metal ions connected to each other via polytopic ligands resulting in large hollowcages. The systematic approach to the synthesis of hollow supramolecules developed in our group is thecoordination of Cu+ and Ag+ cations to phosphorus atoms of the pentaphosphaferrocenes, [CpRFe(hapta5-P5)] (CpR=hapta5-C5R5, R=Me (Cp*), CH2Ph (CpBn), etc.) [1-3]. [...]
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2020-08-10 13:07 |
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