MPY

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2017-04-25
16:03
[PUBDB-2017-01893] Talk (non-conference)
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High-quality electron beam generation in plasma-based accelerators
Neumann-Institut für Computing - Vortragsveranstaltung des Wissenschaftlichen Rates, Meeting locationDarmstadt, GSI Darmstadt, Germany, 20 Apr 2017 - 21 Apr 20172017-04-202017-04-21

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2017-04-25
15:00
OpenAccess [PUBDB-2017-01886] Contribution to a conference proceedings
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Performance Analysis of the European XFEL SRF cavities, fromvertical test to operation in modules
28th Linear Accelerator Conference, LINAC2016, Meeting locationEast Lansing, USA, 25 Sep 2016 - 30 Sep 20162016-09-252016-09-30
6 pp., (2016) [10.3204/PUBDB-2017-01886]  GO
More than 800 resonators have been fabricated, verti-cally qualified and operated in module tests before the accelerating module installation in the linac, which will be completed before the conference. An analysis of this experience, with correlation of the final cavity perfor-mances with production, preparation and assembly stages, is underway and at the time of the conference a summary of the activities will be available..
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2017-04-25
14:30
OpenAccess [PUBDB-2017-01882] Journal Article
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Performance in the vertical test of the 832 nine-cell 1.3 GHz cavities for the European X-ray Free Electron Laser
ddc:530
The successful production and associated vertical testing of over 800 superconducting 1.3 GHz accelerating cavities for the European X-ray Free Electron Laser (XFEL) represents the culmination of over 20 years of superconducting radio-frequency R&D. The cavity production took place at two industrial vendors under the shared responsibility of INFN Milano–LASA and DESY. [...]
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2017-04-19
11:26
[PUBDB-2017-01702] Master Thesis

Studies on orbit response matrices at the high-gain free electron laser FLASH
1-68 (2012)
This thesis studied error sources of the optics at FLASH using the analysis of orbit response matrices. Apart from the interpretation of comprehensive data recorded at 6 measurement shifts, developing and implementing an orbit response data pro- cessing and fitting tool was a major concern. [...]

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2017-04-19
11:04
OpenAccess [PUBDB-2017-01696] Contribution to a conference proceedings/Contribution to a book
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Intra Bunch Train Transverse Dynamics in the Superconducting Accelerators FLASH and European XFEL
28th Linear Accelerator Conference, LINAC2016, Meeting locationEast Lansing, USA, 25 Sep 2016 - 30 Sep 20162016-09-252016-09-30
319-321 (2016) [10.18429/JACoW-LINAC2016-MOP106023]  GO
At FLASH and the European XFEL accelerator superconducting 9-cell TESLA cavities accelerate long bunch trains at high gradients in pulsed operation. Several RF cavities with individual operating limits are supplied by one RF power source. [...]
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2017-04-19
10:55
OpenAccess [PUBDB-2017-01694] Contribution to a conference proceedings/Contribution to a book
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HOM Characterization for Beam Diagnostics at the European XFEL Injector
International Beam Instrumentation Conference 2016, IBIC2016, Meeting locationBarcelona, Spain, 13 Sep 2016 - 18 Sep 20162016-09-132016-09-18
617-620 (2016) [10.18429/JACOW-IBIC2016-WEPG03]  GO
Higher Order Modes (HOM) excited by bunched electron beams in accelerating cavities carry information about the beam position and phase. This principle is used at the FLASH facility, at DESY, for beam position monitoring in 1.3 and 3.9 GHz cavities. [...]
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2017-03-28
15:16
OpenAccess [PUBDB-2017-01486] Preprint/Report
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Chirp mitigation of plasma-accelerated beams using a modulated plasma density
[arXiv:1603.08489]
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Plasma-based accelerators offer the possibility to drive future compact light sources and high-energy physics applications. Achieving good beam quality, especially a small beam energy spread, is still one of the major challenges. [...]
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2017-02-22
10:40
OpenAccess [PUBDB-2017-01078] Journal Article
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First Operation of a Harmonic Lasing Self-Seeded Free Electron Laser
ddc:530
Harmonic lasing is a possible mode of operation of X-ray FEL user facilities that allows us to provide brilliant beams of higher energy photons for user experiments. Another useful application of harmonic lasing is the so-called harmonic lasing self-seeded free electron laser (HLSS FEL) that allows the improvement of spectral brightness of these facilities. [...]
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2017-01-31
15:23
OpenAccess [PUBDB-2017-00815] Conference Presentation (Invited)

Examples of Frontier Particle Accelerator Related Activities at Deutsches Elektronen Synchrotron (DESY)
IRANPAC2015, IRANPAC2015, Meeting locationTeheran, Iran, 25 Nov 2015 - 26 Nov 20152015-11-252015-11-26
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2017-01-30
16:58
OpenAccess [PUBDB-2017-00801] Book/Report/Dissertation / PhD Thesis
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Phase Space Linearization and External Injection of Electron Bunches into Laser-Driven Plasma Wakefields at REGAE
[DESY-THESIS-2017-003]
DESY-THESIS 209 pp., (2016) [10.3204/PUBDB-2017-00801]  GO
Laser Wakefield Acceleration (LWFA) has the potential to become the next-generation accelerationtechnique for electrons. In particular, the large field gradients provided by these plasma-based acceleratorsare an appealing property, promising a significant reduction of size for future machines and user facilities.Despite the unique advantages of these sources, however, as of today, the produced electron bunches cannotyet compete in all beam quality criteria compared to conventional acceleration methods. [...]
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