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Table 1 Machine and vacuum-relevant parameters (IP: interaction point)

From: The FCC-ee vacuum system, from conceptual to prototyping

 

Z

W

H

tt̄

Circumference (km)

  

97.756

  

Bending radius (km)

  

10.760

  

Free length to IP l* (m)

  

2.2

  

Solenoid field at IP (T)

  

2.0

  

Full crossing angle at IP θ (mrad)

  

30

  

SR power/beam (MW)

  

50

  

Beam energy (GeV)

45.6

80

120

175

182.5

Beam current (mA)

1390

147

29

6.4

5.4