MVS

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2018-11-07
15:06
[PUBDB-2018-04285] Book/Report/Internal Report
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Transparencies from the Workshop on single-cell cavity R&D, Haus Rissen, Hamburg, Feb 28, 2002
[TESLA Report 2002-07]
TESLA Reports 118 pp. ()
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2018-11-06
14:28
[PUBDB-2018-04199] Book/Report/Internal Report
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RRR degradation and gas absorption in the electron beam welding area of high purity niobium
[TESLA Report 2003-07]
TESLA Reports 13 pp. () [10.1063/1.1597366]  GO
Experiences concerning RRR degradation and gas absorption of high purity niobium welded at different electron beam (EB) facilities are summarized. The oxygen and nitrogen content is increased as a rule at the welding seam. [...]
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2018-08-17
11:22
[PUBDB-2018-02999] Book/Report
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Analysis of RF results of recent Nine-Cell cavities at DESY
[TTC-Report 2009-01]
TESLA Reports 5 pp. ()
About 50 nine-cell cavities of the recent fine-grain niobium cavity productions have been analysed with respect to maximum and usable gradient in the first and last vertical RF acceptance test, respectively. Parameters of the analysis were the manufacturer of the cavities, the location of the Main EP (=> industry or in-house), the final surface treatment (=> final 40 μm EP or short 10 μm “Flash BCP) and the cavity preparation strategy (=> vertical acceptance test with or without He-tank welded) [...]
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2018-08-17
11:22
[PUBDB-2018-02997] Book/Report
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Fertigungsablauf des einzelligen Standard DESY 1.3 GHz Resonators aus Niob
[TTC-Report 2010‐01]
TESLA Reports 11 pp. ()
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2018-08-17
06:32
OpenAccess [PUBDB-2018-02985] Contribution to a conference proceedings/Contribution to a book
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Cs$_2$Te Photocathode Lifetime at FLASH and European XFEL
9th International Particle Accelerator Conference, IPAC’18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 2496-2498 () [doi:10.18429/JACoW-IPAC2018-WEPMF056]  GO
The photoinjectors of FLASH and the European XFEL at DESY (Hamburg, Germany) use Cs$_2$Te photocathodes. In this contribution we give an update on the lifetime and quantum efficiency of the cathodes operated in both facilities. [...]
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2018-08-17
06:22
OpenAccess [PUBDB-2018-02984] Contribution to a conference proceedings/Contribution to a book
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The REGAE Accelerator Vacuum System
9th International Particle Accelerator Conference, IPAC'18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 JACoW Publishing 2493-2495 () [doi:10.18429/JACoW-IPAC2018-WEPMF055]  GO
Since 2011 the Relativistic Electron Gun for Atomic Exploration (REGAE) is operated at DESY in Hamburg. The accelerator consists mainly of a high gradient S-band RF-gun, which generates ultra-low emittance electron bunches, and an S-band RF-buncher cavity for bunch compression. [...]
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2018-08-17
06:12
OpenAccess [PUBDB-2018-02983] Contribution to a conference proceedings/Contribution to a book
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Metal Photocathodes Preparation for Compact Linear Accelerator at Daresbury Laboratory
9th International Particle Accelerator Conference, IPAC’18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 JACoW Publishing 3865-3868 () [10.18429/JACoW-IPAC2018-THPAL095]  GO
The photoinjector of the CLARA FEL test facility Front End at Daresbury Laboratory is based on a S-band 10 Hz photocathode RF-gun operating with a copper photocath-ode which is driven by the third harmonic of a Ti:Sapphire laser (266 nm). The main aim of this study was to establish a procedure to prepare the Cu surface prior to installation so a Quantum Efficiency (QE) of 10⁻⁵ or higher can be achieved at laser power density below the ablation threshold of copper. [...]
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2018-05-29
16:05
OpenAccess [PUBDB-2018-02138] Poster
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Metal Photocathodes Preparation for Compact Linear Accelerator at Daresbury Laboratory
9th International Particle Accelerator Conference, IPAC'18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
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2018-05-29
15:56
OpenAccess [PUBDB-2018-02137] Poster
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The REGAE Accelerator Vacuum System
9th International Particle Accelerator Conference, IPAC'18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
Since 2011 the Relativistic Electron Gun for Atomic Exploration (REGAE) is operated at DESY in Hamburg. The accelerator consists mainly of a high gradient S-band RF-gun, which generates ultra-low emittance electron bunches, and an S-band RF-buncher cavity for bunch compression. [...]
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2018-05-29
11:22
OpenAccess [PUBDB-2018-02128] Poster
;
Cs$_2$Te Photocathode Lifetime at FLASH and European XFEL
The 9th International Particle Accelerator Conference, IPAC'18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04  GO
The photoinjectors of FLASH and the European XFEL at DESY (Hamburg, Germany) use Cs$_2$ Te photocathodes. In this contribution we give an update on the lifetime and quantum efficiency of the cathodes operated in both facilities [...]
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