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| MOPGW019 |
Beam-Beam Blowup Issue After Low Emittance Tuning for FCC-ee |
112 |
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- D. El Khechen, K. Oide, F. Zimmermann
CERN, Geneva, Switzerland
- K. Oide
KEK, Ibaraki, Japan
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FCC-ee (Future Circular Collider) is a 100 km electron-positron circular collider with two foreseen experiments, aiming to run at four energies for precision studies of the Z, W, and Higgs boson and the top quark. The FCC-ee is a challenging machine from different points of view. In particular the beam-beam effects are of great importance. For the FCC-ee high-luminosity operation, the beam-beam effects impose profound constraints on the operating point in betatron tune space. In addition, taking into account different sources of machine nonlinearities, a tracking simulation with beam-beam elements revealed a strong beam blowup, especially in the vertical plane. Such a blowup is a potential obstacle to achieving and maintaining a high luminosity; therefore it needs to be carefully studied. In this paper, we present a general overview of simulation results on the FCC-ee beam-beam blowup with realistic machine errors.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-MOPGW019
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| About • |
paper received ※ 10 May 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019 |
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