Keyword: sextupole
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MO3A02 Achievement of Small Beam Size at ATF2 Beamline optics, wakefield, laser, simulation 27
 
  • T. Okugi
    KEK, Ibaraki, Japan
 
  The beam commissioning of the ATF2 facility at KEK - a 1.3 GeV prototype of the compact local chromaticity correction final focus system for the linear collider - achieved 44nm beam size, very close to ideal expected size of 37nm, by developing various knobs and improving the performances of the interferometric Shintake monitor at the same time. These results have opened the way to reliable and predictable operation of the linear collider.  
slides icon Slides MO3A02 [3.495 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MO3A02  
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MOPRC005 Beam Tuning of Achromatic Bending Areas of the FRIB Superconducting Linac linac, quadrupole, lattice, simulation 74
 
  • Y. Zhang, C.P. Chu
    FRIB, East Lansing, USA
 
  Funding: Work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661
To achieve the design beam power for heaviest ion species, acceleration and transport of multi charge state beams simultaneously in the FRIB superconducting linac becomes necessary, which poses a technical challenge especially to the FRIB folded lattice design. Achromatic and isochronous beam optics up to the second order must be established precisely in the linac bending areas, and as none-perfection beam elements and system errors exist in the real machine, beam tuning and beam optics corrections of the bending area are important to high power operation. In this paper, we introduce the beam tuning algorithms of the FRIB linac achromatic arcs and also discuss the simulation studies.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MOPRC005  
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