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Physical Review Special Topics - Accelerators and Beams
Volumn 14, Issue 3, 2011, Pages
Perspectives for future light source lattices incorporating yet uncommon magnets
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EID: 79952905837     PISSN: None     EISSN: 10984402     Source Type: Journal    
DOI: 10.1103/PhysRevSTAB.14.030701     Document Type: Article
Times cited : (44)
References (59)
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    • The SLS booster provides ε=10nmrad at 2.4 GeV.
    • The SLS booster provides ε = 10 nm rad at 2.4 GeV.
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    • Emery, L.1
  • 42
    • 79952955825 scopus 로고    scopus 로고
    • OPA Lattice Design Code, available at
    • OPA Lattice Design Code, available at http://people.web.psi.ch/streun/ opa/.
  • 43
    • 18244392424 scopus 로고    scopus 로고
    • Review of single particle dynamics for third generation light sources through frequency map analysis
    • DOI 10.1103/PhysRevSTAB.6.114801, 114801
    • L. Nadolski and J. Laskar, Phys. Rev. ST Accel. Beams 6, 114801 (2003). PRABFM 1098-4402 10.1103/PhysRevSTAB.6.114801 (Pubitemid 40630442)
    • (2003) Physical Review Special Topics - Accelerators and Beams , vol.6 , Issue.11 , pp. 11-24
    • Nadolski, L.1    Laskar, J.2
  • 44
    • 79952903246 scopus 로고    scopus 로고
    • In fact, in early design studies for the MAX IV storage ring, octupoles had already been considered. At that time it was foreseen to include an octupole component in the combined-function quadrupole/sextupole
    • In fact, in early design studies for the MAX IV storage ring, octupoles had already been considered. At that time it was foreseen to include an octupole component in the combined-function quadrupole/sextupole.
  • 45
    • 79952977518 scopus 로고    scopus 로고
    • In principle, it would be desirable to tune the second-order chromaticity with octupoles rather than with sextupoles (cf. Sec. ). However, one characteristic of an ultralow-emittance MBA lattice is that the dispersion becomes very small making the required octupoles unrealistic
    • In principle, it would be desirable to tune the second-order chromaticity with octupoles rather than with sextupoles (cf. Sec. ). However, one characteristic of an ultralow-emittance MBA lattice is that the dispersion becomes very small making the required octupoles unrealistic.
  • 47
    • 79952982813 scopus 로고    scopus 로고
    • The misalignment and multipole error model is described in detail in. For multipoles we apply what was measured in and for alignment errors we assume 0.1 mm rms horizontal and vertical misalignment and 0.2 mrad roll error for the girders as well as 0.025 mm rms horizontal and vertical misalignment and 0.2 mrad roll errors of the individual magnets with respect to the girders. The error distributions are assumed Gaussian with a cutoff at 2σ
    • The misalignment and multipole error model is described in detail in. For multipoles we apply what was measured in and for alignment errors we assume 0.1 mm rms horizontal and vertical misalignment and 0.2 mrad roll error for the girders as well as 0.025 mm rms horizontal and vertical misalignment and 0.2 mrad roll errors of the individual magnets with respect to the girders. The error distributions are assumed Gaussian with a cutoff at 2 σ.
  • 48
    • 79952959957 scopus 로고    scopus 로고
    • Actually, the octupoles should be tuned within an overall strategy for restoring the design optics: in a first step gradient strengths are restored with LOCO and the machine is realigned to minimize corrector strength; this can be iterated. As a second step, betatron coupling and vertical dispersion are corrected using skew quadrupoles. Finally, in a third step, the nonlinear optics have to be restored by symmetrizing the sextupole pattern, possibly exciting auxiliary sextupoles, and correcting/optimizing the octupole settings.
    • Actually, the octupoles should be tuned within an overall strategy for restoring the design optics: in a first step gradient strengths are restored with LOCO and the machine is realigned to minimize corrector strength; this can be iterated. As a second step, betatron coupling and vertical dispersion are corrected using skew quadrupoles. Finally, in a third step, the nonlinear optics have to be restored by symmetrizing the sextupole pattern, possibly exciting auxiliary sextupoles, and correcting/optimizing the octupole settings.
  • 53
    • 79952915074 scopus 로고    scopus 로고
    • MAX IV Detailed Design Report, available for download at
    • MAX IV Detailed Design Report, available for download at http://www.maxlab.lu.se/maxlab/max4/index.html.

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.