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@INPROCEEDINGS{Ramalingam:480617,
      author       = {Ramalingam, Rajinikumar and Bozhko, Yury and Barbanotti,
                      Serena and Schnautz, Tobias},
      title        = {{H}eat loads measurements at the {XFEL} cold linac},
      journal      = {IOP conference series / Materials science and engineering},
      volume       = {1240},
      number       = {1},
      issn         = {1757-8981},
      address      = {London [u.a.]},
      publisher    = {Institute of Physics},
      reportid     = {PUBDB-2022-03898},
      pages        = {012123 -},
      year         = {2022},
      comment      = {Advances in Cryogenic Engineering: Proceedings of the
                      Cryogenic Engineering Conference (CEC) 2021, 19-23 July
                      2021, Virtual Conference, USA},
      booktitle     = {Advances in Cryogenic Engineering:
                       Proceedings of the Cryogenic
                       Engineering Conference (CEC) 2021,
                       19-23 July 2021, Virtual Conference,
                       USA},
      abstract     = {Abstract. 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.},
      month         = {Jul},
      date          = {2021-07-19},
      organization  = {Cryogenic Engineering Conference (CEC)
                       2021, 19-23 July 2021, Virtual
                       Conference, USA, Virtual Conference
                       (USA), 19 Jul 2021 - 23 Jul 2021},
      cin          = {MKS},
      ddc          = {530},
      cid          = {I:(DE-H253)MKS-20120806},
      pnm          = {621 - Accelerator Research and Development (POF4-621) /
                      6G13 - Accelerator of European XFEL (POF4-6G13)},
      pid          = {G:(DE-HGF)POF4-621 / G:(DE-HGF)POF4-6G13},
      experiment   = {EXP:(DE-H253)XFEL(machine)-20150101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.1088/1757-899X/1240/1/012123},
      url          = {https://bib-pubdb1.desy.de/record/480617},
}