FLA

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2018-08-17
17:34
[PUBDB-2018-03045] Book/Report
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Far-Infrared Transition and Diffraction Radiation - Part I: Production, Diffraction Effects and Optical Propagation
[TESLA Report 2005-15]
TESLA Reports 41 pp. ()
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2018-08-17
14:40
[PUBDB-2018-03028] Book/Report
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Numerical Studies on the Electro-Optic Sampling of RelativisticElectron Bunches
[TESLA Report 2005-01]
TESLA Reports 33 pp. ()
At the 1 GeV electron linac of the DESY vacuum-ultraviolet free-electron laseran electro-optic (EO) sampling experiment has been installed permitting to measurethe time structure of the bunches with high resolution. The transient electric fieldof the relativistic bunch corresponds to a sub-picosecond THz pulse which induces abirefringence in an electro-optic crystal. [...]
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2018-07-11
17:56
OpenAccess [PUBDB-2018-02583] Conference Presentation
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PolariX TDS - Applications at DESY
High Gradient Workshop 2018, HG2018, SINAPShanghai, SINAP, China, 4 Jun 2018 - 8 Jun 20182018-06-042018-06-08  GO
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2018-07-09
13:58
[PUBDB-2018-02553] Journal Article
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Surface characterization of nitrogen-doped Nb (100) large-grain superconducting RF cavity material
(100) Oriented niobium (Nb) crystals annealed in the vacuum conditions close to that used in mass production of 1.3 GHz superconducting radio frequency cavities for linear accelerators and treated in nitrogen at a partial pressure of 0.04 mbar at temperatures of 800 and 900 °C have been studied. The surfaces of the nitrogen-treated samples were investigated by means of various surface-sensitive techniques, including grazing-incidence X-ray diffraction, X-ray photoemission spectroscopy, and scanning electron microscopy with energy-dispersive X-ray spectroscopy in planar view and on cross-sections prepared by a focused ion beam. [...]
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2018-06-22
13:04
OpenAccess [PUBDB-2018-02356] Conference Presentation

Superconducting Cavity R&D @ DESY - towards continuous wave operation of the European XFEL
4. Annual Matter and Technologies Meeting, DESYBerlin, DESY, Germany, 12 Jun 2018 - 14 Jun 20182018-06-122018-06-14  GO
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2018-06-11
13:56
OpenAccess [PUBDB-2018-02245] Book/Report/Dissertation / PhD Thesis
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Optimizing the design of the Final-Focus region for the International Linear Collider
[DESY-THESIS-2018-017; ETP-KA/2018-13]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS 176 pp. () [10.5445/IR/1000083323] = Dissertation, Karlsruhe Institute of Technology (KIT), 2018  GO
The International Linear Collider (ILC) is a proposed linear electron positron collider with a center-of-mass energy of 250 GeV in its first stage. After the discovery of the Higgs boson at the Large Hadron Collider (LHC) at CERN in 2012, the physics goals of the ILC include the measurements of the Higgs boson properties and its interactions, but also measurements of the top quark and searches beyond the Standard Model are part of the ILC program in the different ILC stages. [...]
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2018-05-17
14:42
OpenAccess [PUBDB-2018-01987] Contribution to a conference proceedings
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Simulations of 3D Charge Density Measurements for Commissioning of the PolariX-TDS
9th International Particle Accelerator Conference, IPAC’18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 4 pp. () [10.3204/PUBDB-2018-01987]  GO
The prototype of a novel X-band transverse deflection structure, the Polarizable X-band (PolariX) TDS, is currently being prepared for installation in the FLASHForward beamline at DESY in early 2019. This structure will have the novel feature of variable polarization of the deflecting mode, allowing bunches to be streaked at any transverse angle, rather than at just one angle as in a conventional cavity. [...]
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2018-05-17
14:31
OpenAccess [PUBDB-2018-01985] Poster
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Simulations of 3D Charge Density Measurements for Commissioning of the PolariX-TDS
9th International Particle Accelerator Conference, IPAC’18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
The prototype of a novel X-band transverse deflection structure, the Polarizable X-band (PolariX) TDS, is currently being prepared for installation in the FLASHForward beamline at DESY in early 2019. This structure will have the novel feature of variable polarization of the deflecting mode, allowing bunches to be streaked at any transverse angle, rather than at just one angle as in a conventional cavity. [...]
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2018-05-02
08:40
OpenAccess [PUBDB-2018-01880] Conference Presentation
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FLASHForward: DOOCS CONTROL System for a Beam-Driven Plasma-Wakefield Acceleration Experiment
9th International Particle Accelerator Conference, IPAC 2018, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
The FLASHForward project at DESY is an innovative beam-driven plasma-wakefield acceleration experiment in-tegrated in the FLASH facility, aiming to accelerate elec-tron beams to GeV energies over a few centimetersof ion-ised gas. These acceleratedbeams are tested for their capa-bility to demonstrate exponential free-electron laser gain; achievable only through rigorous analysis of both the driver and witness beam's phase space.The thematic priority covered in here the control system part of FLASHForward.To be able to control, read out and save data from the diagnostics into DAQ, the DOOCS control system has been integrated into FLASH Forward. [...]
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2018-05-02
08:32
OpenAccess [PUBDB-2018-01879] Poster
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Controlling a beam-driven plasma-wakefieldacceleration experiment
9th International Particle Accelerator Conference, IPAC 2018, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
The FLASHForward project at DESY is an innovative beam-driven plasma-wakefield acceleration experi-ment integrated in the FLASH facility, aiming to accelerate electron beams to GeV energies over a few centi-metres of ionised gas. These accelerated beams are tested for their capability to demonstrate exponential free-electron laser gain; achievable only through rigorous analysis of both the driver and witness beam's phase space.The thematic priority covered in here the control system part of FLASHForward.To be able to control, read out and save data from the diagnostics into DAQ, the DOOCS control system has been integrated into FLASH Forward. [...]
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