Table 2 FCC-ee beam parameters for four operation modes [1], where ϵ is the geometrical emittance, \(\sigma _{\delta}\) is the energy spread and Bρ is the magnetic rigidity
From: A semi-passive beam dilution system for the FCC-ee collider
Parameter | Z | WW | ZH | tt̄ (182.5 GeV) |
|---|---|---|---|---|
\(\epsilon _{x}\)/\(\epsilon _{y}\) [nm, pm] | 0.27/1.0 | 0.84/1.7 | 0.63/1.3 | 1.46/2.9 |
\(\sigma _{\delta}\) (SR/BS) [%] | 0.038/0.132 | 0.066/0.131 | 0.099/0.165 | 0.150/0.192 |
Bρ [Tm] | 152.1 | 266.8 | 400.3 | 608.7 |