Paper |
Title |
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TUOCB1 |
Progress in the Design of Beam Optics for FCC-ee Collider Ring* |
1281 |
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- K. Oide, K. Ohmi
KEK, Ibaraki, Japan
- M. Benedikt, H. Burkhardt, B.J. Holzer, A. Milanese, J. Wenninger, F. Zimmermann
CERN, Geneva, Switzerland
- A.P. Blondel, M. Koratzinos
DPNC, Genève, Switzerland
- A.V. Bogomyagkov, E.B. Levichev, D.N. Shatilov
BINP SB RAS, Novosibirsk, Russia
- M. Boscolo
INFN/LNF, Frascati (Roma), Italy
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The beam optics for the FCC-ee collider has been updated: (a) the layout is adjusted to a new footprint of FCC-hh, (b) the design around the interaction point is refined considering a number of machine-detecor interface issues, (c) the arc lattice is refined taking realistic magnet designs into account, (d) the β* and betatron tunes are re-optimized according to recent results of the beam-beam simulations, and more. These changes make the collider design more realistic without performance degradation.
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Slides TUOCB1 [4.891 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-TUOCB1
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THPVA017 |
Integer Spin Resonance Crossing With Preserving Beam Polarization on VEPP-4M |
4451 |
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- A.K. Barladyan, A.Yu. Barnyakov, S.A. Glukhov, S.E. Karnaev, E.B. Levichev, S.A. Nikitin, I.B. Nikolaev, I.N. Okunev, P.A. Piminov, A.G. Shamov, A.N. Zhuravlev
BINP SB RAS, Novosibirsk, Russia
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The method to preserve the electron beam polarization on the VEPP-4M storage ring during acceleration with crossing the integer spin resonance energy E=1763 MeV is described. It is based on the use of the non-compensated longitudinal magnetic field of the KEDR detector. This method has been successfully applied for the needs of the R measurement experiment.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA017
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※ Text/Word,
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