Updated: 16 Apr 2010 (FT)
Parameter Symbol

CLIC
3 TeV
CLIC
0.5 TeV
ILC
0.5 TeV
NLC
0.5 TeV

Unit



            

           












Center of mass energy Ecm
3000
500
500
500

GeV
Main Linac RF Frequency fRF
12
12
1.3
12

GHz
Gradient (loaded)
G

100
80
31.5
50

MV/m
Luminosity L

5.9 2.3
2
2

1034 cm-2 s-1
Luminosity (in 1% of energy) L99%
2
1.4
1.45
1.28

1034 cm-2 s-1
Linac repetition rate frep
50
50
5
120

Hz
No. of particles / bunch Nb
3.72
6.8 20
7.5

109
No. of bunches / pulse kb
312
354 2670
192











No. of drive beam sectors / linac Nunit
24
5
-
-

-
Overall two linac length llinac
42.16
8.8
22
14

km
Proposed site length

ltot


48.4 12.8
31
32
(for 1 TeV)

km
DB Pulse length (total train)

tt


140.3 29
-
-

μs
Beam power / beam Pb
14
4.9
10.8
6.9

MW
Wall-plug power to beam efficiency
ηwp-rf
6.8
7.5
9.4
7.1

%
Total site AC power Ptot
415
130
230
195

MW









Transverse horizontal emittance (norm.) γεx
660
2400
10000
3600

nm rad
Transverse vertical emittance (norm.) γεy
20
25
40
40

nm rad
Nominal horizontal IP beta function β*x
6.9
8
20
8

mm
Nominal vertical IP beta function β*y
0.068
0.1
0.4
0.11

mm
Horizontal IP beam size before pinch σ*x
45
202
640
243

nm
Vertical IP beam size before pinch σ*y
0.9
2.3
5.7
3

nm
Bunch length
σz
44
72
300
10

μm
Beamstrahlung energy loss
δB
29
7
2.4
5.4

%
No. of photons / electron nγ
2.2 1.3
1.3
1.26

-
No. of pairs (pTmin=20MeV/c, θmin=0.2) Npairs
45 19
28
12

-
No. of coherent pairs Ncoh
38
0.00001



107
No. of incoherent pairs Nincoh
3
1.7
1


105
Hadronic events / crossing Nhadron
2.7
0.19
0.12
0.1

-