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2020-01-14
14:56
[PUBDB-2020-00225] Conference Presentation

MTCA.4-Based Button and Strip-Line BPM Electronics at DESY
8th MicroTCA Workshop for Industry and Research, HamburgHamburg, Germany, 4 Dec 2019 - 5 Dec 20192019-12-042019-12-05
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2019-12-16
10:27
[PUBDB-2019-05241] Conference Presentation
et al
Screen materials for high precision measurements
8th International Beam Instrumentation Conference, IBIC2019, MalmöMalmö, Sweden, 8 Sep 2019 - 12 Sep 20192019-09-082019-09-12
There is a long history of scintillator applications in particle detection.Traditionally used in physics, scintillators today serve many purposesin science and engineering (e.g. medicine, geophysics, homelandsecurity, particle detection ... [...]
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2019-11-06
13:48
[PUBDB-2019-03985] Conference Presentation (Invited)

IT Transformationen in Groß-Forschungsanlagen
FNT EXECUTIVE INNOVATION FORUM, FrankfurtFrankfurt, Germany, 4 Jun 2019 - 5 Jun 20192019-06-042019-06-05
Am Beispiel von DESY. Was, wie, wohin [...]
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2019-11-06
13:38
[PUBDB-2019-03980] Contribution to a conference proceedings

A Fast Wire Scanner System for the European XFEL and Its Impact on SafetySystems
17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems, ICALEPCS 2019, New YorkNew York, USA, 5 Oct 2019 - 11 Oct 20192019-10-052019-10-11 JACoW Publishing, Geneva, Switzerland 3 pp. ()
The European-XFEL is an X-ray Free Electron Laser facility located in Hamburg (Germany). The 17.5 GeV superconducting accelerator will provide photons simultaneously to several user stations. [...]
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2019-11-06
13:32
OpenAccess [PUBDB-2019-03979] Contribution to a conference proceedings

Cavity Tilt Measurement in a 1.3 GHz Superconducting Cryo-Module at FLASH
19th International Conference on RF Superconductivity, SRF2019, DresdenDresden, Germany, 30 Jun 2019 - 5 Jul 20192019-06-302019-07-05 4 pp. () [10.3204/PUBDB-2019-03979]  GO
TESLA superconducting (SC) cavities are used for theacceleration of electron bunches at FLASH. The HigherOrder Modes (HOMs) excited by the beam in these cavitiesmay cause emittance growth. [...]
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2019-10-14
16:25
[PUBDB-2019-03673] Contribution to a conference proceedings
et al
Absorbed Radiation Doses on the European XFEL Undulator Systems During Early User Experiments
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 5 pp. ()
The European XFEL GmbH (EuXFEL) is a FEL userfacility based on a superconducting accelerator with highduty cycle. Three movable gap SASE Undulator Systems using hybrid NdFeB permanent magnet segments are in operation. [...]
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2019-10-14
16:19
[PUBDB-2019-03672] Contribution to a conference proceedings
et al
Multi-Beamline Operation at the European XFEL
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 4 pp. ()
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 bunchtrains, out of which parts or individual bunches can be selectedfor photon production in any of the FELs. This contribution gives a brief overview of the kicker-septum scheme facilitating this and highlights how even complex bunch patterns can easily be configured via the timing system..
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2019-10-14
16:11
[PUBDB-2019-03671] Contribution to a conference proceedings

The European XFEL Beam Loss Monitor System
17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems, ICALEPCS 2019, New YorkNew York, USA, 5 Oct 2019 - 11 Oct 20192019-10-052019-10-11 4 pp. ()
The European XFEL MTCA based Beam Loss Monitor System (BLM) is composed of about 470 monitors, which are part of the Machine Protection System (MPS). The BLMs detect losses of the electron beam, in order to protect accelerator components from damage and excessive activation, in particular the undulators, since they are made of permanent magnets. [...]
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2019-10-11
17:19
[PUBDB-2019-03663] Contribution to a conference proceedings
et al
Identification and Mitigation of Smoke-Ring Effects in Scintillator-Based Electron Beam Images at the European XFEL
39th International Free-Electron Laser Conference, FEL2019, HamburgHamburg, Germany, 26 Aug 2019 - 30 Aug 20192019-08-262019-08-30 JACoW Publishing, Geneva, Switzerland 6 pp. ()
Standard transverse beam profile measurements at the European XFEL are based on scintillating screen monitors using LYSO:Ce as scintillator material. While it is possible to resolve beam sizes down to a few micrometers with this material, the experience during the XFEL commissioning showed that the measured emittance values were significantly larger than the expected ones. [...]
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2019-10-11
17:13
[PUBDB-2019-03662] Contribution to a conference proceedings
et al
Status of the PETRA IV project
10th International Particle Accelerator Conference, IPAC 2019, MelbourneMelbourne, Australia, 19 May 2019 - 24 May 20192019-05-192019-05-24 JACoW Publishing, Geneva, Switzerland 1404-1407 () [10.18429/JACOW-IPAC2019-TUPGW011]  GO
Since 2016 DESY has been pursuing R towards upgrading its PETRA synchrotron light source to a fourth-generation machine, PETRA IV, which is expected to start operation in 2027. The conceptual design of a 6 GeV seven-bend-achromat-based lattice with an approx. [...]
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