Author: Sinyatkin, S.V.
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MOT3AH4
e+e Collider with Monochromatization and Maximum Beam Energy of ~200-300 MeV for True Muonium Production and Other Experiments  
 
  • A.V. Bogomyagkov, V.A. Kiselev, E.B. Levichev, A.I. Milstein, D.N. Shatilov, S.V. Sinyatkin
    BINP SB RAS, Novosibirsk, Russia
 
  We present preliminary description of compact e+e collider with maximum beam energy of 300 MeV. At the beam energy of 100 MeV the physics program includes first production, observation and study of true muonium (bound state of mu+mu-). The width of true muonium is very narrow; therefore, we implemented monochromatization scheme proposed by A. Reniere. At higher energy, goals are to measure pion form factor and cross sections of rare decays. The small size and energy of the collider simplify design of the magnets, vacuum chamber, RF system and radiation protection decreasing construction time and cost of the whole facility. The accelerator is interesting from accelerator point of view because of monochromatization, beam-beam effects with dispersion, intra-beam scattering study and suppression.  
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MOT3BH2
FCC Lattice With Errors and Misalignment  
 
  • S.V. Sinyatkin
    BINP SB RAS, Novosibirsk, Russia
 
  FCC-ee double-ring collider must be operated in the beam energy range from 45 to 175 GeV. The 100 km circumference ring includes two IPs/ring, crab-waist scheme with local chromaticity correction system. Misalignments of magnetic elements destroy main ring parameters. For design luminosity vertical emittance must be kept small. Simulations of the magnetic elements misalignments are presented. Main contributions of emittance blow up are listed.  
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