Speaker
Yi Wu
(Ecole Polytechnique Fédérale de Lausanne)
Description
The high precision measurement of the centre-of-mass energy in the Future Circular Collider e+e- (FCC-ee) at Z and W energies can be realized through resonant spin depolarization utilizing transversely polarized beams. This requires a guaranteed sufficiently-high spin polarization in the presence of lattice imperfections. Investigations of the impact of misalignments on the equilibrium polarization are conducted using analytical and Monte-Carlo spin simulations with Bmad. Potential optimization schemes to ensure high polarization using orbit bumps have been explored.
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Primary author
Yi Wu
(Ecole Polytechnique Fédérale de Lausanne)
Co-authors
Desmond Barber
(Deutsches Elektronen-Synchrotron)
Felix Carlier
(Ecole Polytechnique Fédérale de Lausanne)
Eliana Gianfelice-Wendt
(Fermi National Accelerator Laboratory)
Tatiana Pieloni
(European Organization for Nuclear Research)
Léon van Riesen-Haupt
(European Organization for Nuclear Research)
