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@ARTICLE{Ma:481076,
      author       = {Ma, S. and Arnold, A. and Michel, P. and Murcek, P. and
                      Ryzhov, A. and Schaber, J. and Steinbrück, R. and
                      Evtushenko, P. and Teichert, Jan-Hendrik and Hillert, W. and
                      Xiang, R. and Zhu, J.},
      title        = {{T}he application of machine learning in high accuracy and
                      efficiency slit-scan emittance measurements},
      reportid     = {PUBDB-2022-04155, arXiv:2207.09144},
      year         = {2022},
      abstract     = {A superconducting radio-frequency (SRF) photo injector is
                      in operation at the electron linac for beams with high
                      brilliance and low emittance (ELBE) radiation center and
                      generates continuous wave (CW) electron beams with high
                      average current and high brightness for user operation since
                      2018. The speed of emittance measurement at the SRF gun
                      beamline can be increased by improving the slit-scan system,
                      thus the measurement time for one phase space mapping can be
                      shortened from about 15 minutes to 90 seconds. A parallel
                      algorithm and machine learning have been used to reduce the
                      beamlet image noise. In order to estimate the uncertainty in
                      the calculation of normalized emittance, we analyze the main
                      error contributions such as slit position uncertainty, image
                      noise, space charge effects and energy measurement
                      inaccuracy.},
      cin          = {ZEU-NIC},
      cid          = {I:(DE-H253)ZEU-NIC-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2207.09144},
      howpublished = {arXiv:2207.09144},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2207.09144;\%\%$},
      doi          = {10.3204/PUBDB-2022-04155},
      url          = {https://bib-pubdb1.desy.de/record/481076},
}