000205709 001__ 205709 000205709 005__ 20250730145317.0 000205709 020__ $$a978-3-95450-132-8 000205709 0247_ $$2altmetric$$aaltmetric:20786178 000205709 0247_ $$2doi$$a10.18429/JACoW-IPAC2014-THPRO044 000205709 0247_ $$2openalex$$aopenalex:W2558295556 000205709 037__ $$aPUBDB-2015-00269 000205709 041__ $$aEnglish 000205709 1001_ $$0P:(DE-H253)PIP1014737$$aGood, J.$$b0 000205709 1112_ $$0C14-06-16$$2inspire$$a5th International Particle Accelerator Conference$$cDresden$$d2014-06-15 - 2014-06-20$$gIPAC 2014$$wGermany 000205709 245__ $$aReport on Gun Conditioning Activities at PITZ in 2013 000205709 260__ $$aGeneva$$bJACoW$$c2014 000205709 29510 $$aProceedings of the 5th Int. Particle Accelerator Conf., IPAC2014, Dresden, Germany 000205709 300__ $$a2962 - 2964 000205709 3367_ $$2ORCID$$aCONFERENCE_PAPER 000205709 3367_ $$033$$2EndNote$$aConference Paper 000205709 3367_ $$2BibTeX$$aINPROCEEDINGS 000205709 3367_ $$2DRIVER$$aconferenceObject 000205709 3367_ $$2DataCite$$aOutput Types/Conference Paper 000205709 3367_ $$0PUB:(DE-HGF)8$$2PUB:(DE-HGF)$$aContribution to a conference proceedings$$bcontrib$$mcontrib$$s1645175476_30160 000205709 3367_ $$0PUB:(DE-HGF)7$$2PUB:(DE-HGF)$$aContribution to a book$$mcontb 000205709 520__ $$aRecently three RF guns were prepared at the Photo Injector Test Facility at DESY, location Zeuthen (PITZ) for their subsequent operation at FLASH and the European XFEL. The gun 3.1 is a previous cavity design and is currently installed and operated at FLASH, the other two guns 4.3 and 4.4 were of the current cavity design and are dedicated to serve for the start-up of the European XFEL photo-injector. All three cavities had been dry-ice-cleaned prior their conditioning and hence showed low dark current levels. The lowest dark current level – as low as 60μA at 65MV/m field amplitude – has been observed for the gun 3.1. This paper reports in details about the conditioning process of the most recent gun 4.4. It informs about experience gained at PITZ during establishing of the RF conditioning procedure and provides a comparison with the other gun cavities in terms of the dark currents. It also summarizes the major setup upgrades, which have affected the conditioning processes of the cavities. 000205709 536__ $$0G:(DE-HGF)POF2-541$$a541 - Photons (POF2-541)$$cPOF2-541$$fPOF II$$x0 000205709 588__ $$aDataset connected to DataCite 000205709 650_7 $$2Other$$aAccelerator Physics 000205709 650_7 $$2Other$$a02 Synchrotron Light Sources and FELs 000205709 650_7 $$2Other$$aT02 Electron Sources 000205709 693__ $$0EXP:(DE-MLZ)NOSPEC-20140101$$5EXP:(DE-MLZ)NOSPEC-20140101$$eNo specific instrument$$x0 000205709 7001_ $$0P:(DE-H253)PIP1013620$$aGross, M.$$b1 000205709 7001_ $$0P:(DE-H253)PIP1013456$$aIsaev, I.$$b2 000205709 7001_ $$0P:(DE-H253)PIP1015089$$aKalantaryan, D.$$b3 000205709 7001_ $$0P:(DE-H253)PIP1006589$$aKhojoyan, M.$$b4 000205709 7001_ $$0P:(DE-H253)PIP1014688$$aKourkafas, G.$$b5 000205709 7001_ $$0P:(DE-H253)PIP1004128$$aKrasilnikov, M.$$b6 000205709 7001_ $$0P:(DE-H253)PIP1011663$$aMalyutin, D.$$b7 000205709 7001_ $$0P:(DE-H253)PIP1004130$$aMelkumyan, D.$$b8 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