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@ARTICLE{Lindstroem:441179,
      author       = {Lindstroem, Carl Andreas and D'Arcy, R. and Garland, M. J.
                      and Gonzalez Caminal, Pau and Schmidt, Bernhard and
                      Schröder, Sarah and Wesch, S. and Osterhoff, J.},
      title        = {{M}atching small beta functions using centroid jitter and
                      two beam position monitors},
      journal      = {Physical review accelerators and beams},
      volume       = {23},
      number       = {5},
      issn         = {2469-9888},
      address      = {College Park, MD},
      publisher    = {American Physical Society},
      reportid     = {PUBDB-2020-02357, arXiv:2002.06022. DESY-20-038},
      pages        = {052802},
      year         = {2020},
      note         = {8 pages, 7 figures ; publication: Phys.Rev.Accel.Beams 23 5
                      (2020) 052802 ; ;},
      abstract     = {Matching to small beta functions is required to preserve
                      emittance in plasma accelerators. The plasma wake provides
                      strong focusing fields, which typically require beta
                      functions on the mm-scale, comparable to those found in the
                      final focusing of a linear collider. Such beams can be time
                      consuming to experimentally produce and diagnose. We present
                      a simple, fast, and noninvasive method to measure Twiss
                      parameters in a linac using two beam position monitors only,
                      relying on the similarity of the beam phase space and the
                      jitter phase space. By benchmarking against conventional
                      quadrupole scans, the viability of this technique was
                      experimentally demonstrated at the FLASHForward
                      plasma-accelerator facility.},
      keywords     = {beam: phase space (INSPIRE) / accelerator: plasma (INSPIRE)
                      / plasma: wake field (INSPIRE) / beta function (INSPIRE) /
                      beam position: monitoring (INSPIRE) / two-beam (INSPIRE) /
                      measurement methods (INSPIRE) / beam optics (INSPIRE) / beam
                      focusing (INSPIRE) / numerical calculations: Monte Carlo
                      (INSPIRE) / DESY Lab (INSPIRE) / chromaticity (INSPIRE)},
      cin          = {FLA},
      ddc          = {530},
      cid          = {I:(DE-H253)FLA-20120731},
      pnm          = {631 - Accelerator R $\&$ D (POF3-631) / PWA - Research
                      group for plasma-based accelerators (PWA-20150304) / ZT-0009
                      - Plasma Accelerators $(2018_ZT-0009)$},
      pid          = {G:(DE-HGF)POF3-631 / G:(DE-H253)PWA-20150304 /
                      $G:(DE-HGF)2018_ZT-0009$},
      experiment   = {EXP:(DE-H253)FLASHForward-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2002.06022},
      howpublished = {arXiv:2002.06022},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2002.06022;\%\%$},
      UT           = {WOS:000535863300001},
      doi          = {10.1103/PhysRevAccelBeams.23.052802},
      url          = {https://bib-pubdb1.desy.de/record/441179},
}