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000480617 0247_ $$2doi$$a10.1088/1757-899X/1240/1/012123
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000480617 0247_ $$2datacite_doi$$a10.3204/PUBDB-2022-03898
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000480617 037__ $$aPUBDB-2022-03898
000480617 041__ $$aEnglish
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000480617 1001_ $$0P:(DE-H253)PIP1093254$$aRamalingam, Rajinikumar$$b0$$eCorresponding author$$udesy
000480617 1112_ $$aCryogenic Engineering Conference (CEC) 2021, 19-23 July 2021, Virtual Conference, USA$$cVirtual Conference$$d2021-07-19 - 2021-07-23$$gCEC$$wUSA
000480617 245__ $$aHeat loads measurements at the XFEL cold linac
000480617 260__ $$aLondon [u.a.]$$bInstitute of Physics$$c2022
000480617 29510 $$aAdvances in Cryogenic Engineering: Proceedings of the Cryogenic Engineering Conference (CEC) 2021, 19-23 July 2021, Virtual Conference, USA
000480617 300__ $$a012123
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000480617 520__ $$aAbstract. The European X-Ray Free Electron Laser (EuXFEL) at DESY is in operation sincethe beginning of 2017. The free electron laser is based on a superconducting linear acceleratorthat delivers electrons to the undulator section with beam energy up to 17.5 GeV. The linearaccelerator consists of 96 cryomodules; each 12 m long module is an assembly of8 superconducting cavities and one superconducting magnet. This paper focusses on themeasurement of the static and dynamic heat loads of the cryomodules assembled in the linac.Heat loads are an important parameter to evaluate the efficiency of the refrigerator system, thequality of the cryomodule assembly and installation and the accelerating cavity performances,being the dynamic heat loads proportional to the cavity quality factor (Q0, the ratio of the storedenergy to the dissipated energy). The paper describes at first the procedure to measure the staticheat load without beam energy and the dynamic heat loads at different beam energy levels. Themeasurement results are then summarized and compared with the XFEL design values.
000480617 536__ $$0G:(DE-HGF)POF4-621$$a621 - Accelerator Research and Development (POF4-621)$$cPOF4-621$$fPOF IV$$x0
000480617 536__ $$0G:(DE-HGF)POF4-6G13$$a6G13 - Accelerator of European XFEL (POF4-6G13)$$cPOF4-6G13$$fPOF IV$$x1
000480617 588__ $$aDataset connected to CrossRef, Journals: bib-pubdb1.desy.de
000480617 693__ $$0EXP:(DE-H253)XFEL(machine)-20150101$$1EXP:(DE-H253)XFEL-20150101$$5EXP:(DE-H253)XFEL(machine)-20150101$$aXFEL$$eFacility (machine) XFEL$$x0
000480617 7001_ $$0P:(DE-H253)PIP1000493$$aBozhko, Yury$$b1$$udesy
000480617 7001_ $$0P:(DE-H253)PIP1006618$$aBarbanotti, Serena$$b2$$udesy
000480617 7001_ $$0P:(DE-H253)PIP1005320$$aSchnautz, Tobias$$b3$$udesy
000480617 773__ $$0PERI:(DE-600)2506501-4$$a10.1088/1757-899X/1240/1/012123$$gVol. 1240, no. 1, p. 012123 -$$n1$$p012123 -$$tIOP conference series / Materials science and engineering$$v1240$$x1757-8981$$y2022
000480617 8564_ $$uhttps://iopscience.iop.org/article/10.1088/1757-899X/1240/1/012123/pdf
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000480617 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1006618$$aDeutsches Elektronen-Synchrotron$$b2$$kDESY
000480617 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1005320$$aDeutsches Elektronen-Synchrotron$$b3$$kDESY
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000480617 9141_ $$y2022
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