Table 1 Baseline beam parameters for the FCC-ee ttbar lattice with two Interaction Points [1]

Beam energy [GeV]

182.5

Beam current [mA]

5.4

Number of bunches

33

Horizontal tune

394.252

Vertical tune

386.340

Natural relative hor. chromaticity, \(Q_{x}' / Q_{x}\)

−1.355

Natural relative vert. chromaticity \(Q_{y}' / Q_{y}\)

−5.397

Hor. chromaticity, \(Q_{x}' / Q_{x}\)

1.01 × 10⁻³

Vert. chromaticity, \(Q_{y}' / Q_{y}\)

−2.13 × 10⁻³

Hor. rms emittance \(\varepsilon _{x}\) [nm]

1.45

Vert. rms emittance \(\varepsilon _{y}\) [pm]

2.7

Hor. IP beta function \(\beta _{x}^{*}\) [m]

1

Vet. IP beta function \(\beta _{y}^{*}\) [mm]

1.6

\(\mathcal{L} \) [\(10^{34}\ \mathrm{cm} ^{-2}\)s⁻¹]

1.5