eRHIC Accelerator Design
Main Beam Parameters
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Beam Parameters for the ERL-Based Design:
|
|
High energy setup |
Low energy setup |
|
p |
e |
p |
e |
|
Energy, GeV |
250 |
10 |
50 |
3 |
|
Number of
bunches |
166 |
|
166 |
|
|
Bunch
spacing, ns |
71 |
71 |
71 |
71 |
|
Bunch
intensity, 1011 |
2 |
1.2 |
2.0 |
1.2 |
|
Beam
current, mA |
420 |
260 |
420 |
260 |
|
95%
normalized emittance,  |
6 |
115 |
6 |
115 |
|
Rms emittance, nm |
3.8 |
1 |
19 |
3.3 |
|
beta*, x/y,
cm |
26 |
100 |
26 |
150 |
|
Beam-beam
parameters, x/y |
0.015 |
2.3 |
0.015 |
2.3 |
|
Rms bunch
length, cm |
20 |
1 |
20 |
1 |
|
Polarization, % |
70 |
80 |
70 |
80 |
|
Peak
Luminosity, 1.e33 cm-2s-1
Aver.Luminosity, 1.e33 cm-2s-1 |
2.6 |
0.53 |
|
0.87 |
0.18 |
|
Luminosity integral /week, pb-1 |
530 |
105 |

Last Modified: July 28, 2009 Please forward all questions about this site to:
Vadim Ptitsyn
|