|
|
|
|
|
|
|
|
|
|
|
| parameter |
symbol |
nominal |
ultimate |
more shorter bunches |
bigger bunches |
longer bunches |
longer bunches II |
|
ultimate with beta*=8 cm |
|
| emittance |
epsilon [micron] |
3.75 |
3.75 |
3.75 |
7.5 |
3.75 |
3.75 |
|
3.75 |
| protons per bunch |
Nb [1e11] |
1.15 |
1.7 |
1.7 |
3.4 |
6 |
4.9 |
|
1.7 |
| bunch spacing |
Delta t [ns] |
25 |
25 |
12.5 |
25 |
75 |
50 |
|
25 |
| number of bunches |
nb |
2808 |
2808 |
5616 |
2808 |
936 |
1404 |
|
2808 |
| average current |
I [A] |
0.58 |
0.86 |
1.72 |
1.72 |
1 |
1.22 |
|
0.86 |
| longit. profile |
|
Gauss |
Gauss |
Gauss |
Gauss |
flat |
flat |
|
Gauss |
| rms bunch length |
sigmaZ [cm] |
7.55 |
7.55 |
3.78 |
3.78 |
14.4 |
14.4 |
or 11.8 |
|
7.55 |
| beta* at IP1&5 |
beta* [m] |
0.55 |
0.5 |
0.25 |
0.25 |
0.25 |
0.25 |
|
0.08 |
| full crossing angle |
thetaC [murad] |
285 |
315 |
445 |
630 |
430 |
430 |
|
315 |
| Piwinski parameter |
thetaC*sz/(2*sx*) |
0.64 |
0.75 |
0.75 |
0.75 |
2.8 |
2.8 |
|
0.75 |
| peak luminosity |
L [1e34 cm-2s-1] |
1 |
2.3 |
9.2 |
9.2 |
8.9 |
8.9 |
|
14.375 |
| events per crossing |
|
19 |
44 |
88 |
176 |
510 |
340 |
|
275 |
| IBS growth time |
tau_x,IBS [h] |
106 |
72 |
42 |
>100 |
44 |
54 |
|
72 |
| nucl. scatt L lifetime |
tau_N/1.54 [h] |
26.5 |
17 |
8.5 |
8.5 |
5.2 |
6.4 |
|
17 |
| lumi lifetime (t_gas=85 h) |
tauL [h] |
15.5 |
11.2 |
6.5 |
6.5 |
4.5 |
5.5 |
|
11.2 |
| effective
luminosity |
Leff [1e34 cm-2s-1] |
0.5 |
0.9 |
2.7 |
2.7 |
2.1 |
2.3 |
|
0.9 |
| (T_turnaround=10 h) |
T_run,opt [h] |
21.2 |
17 |
12 |
12 |
9.4 |
10.4 |
|
17 |
| effective
luminosity |
Leff [1e34 cm-2s-1] |
0.6 |
1.1 |
3.6 |
3.6 |
2.9 |
3.1 |
|
1.1 |
| (T_turnaround=5 h) |
T_run,opt [h] |
15 |
12 |
8.5 |
8.5 |
6.6 |
7.3 |
|
12 |
| av. e-c heat load SEY=1.4 (1.3) |
P [W/m] |
1.07 (0.44) |
1.04 (0.59) |
13.34 (7.85) |
2.56 (2.05) |
0.26 (0.26) |
0.36 (0.08) |
|
1.04 (0.59) |
| SR heat load at 4.6-20 K |
P_SR [W/m] |
0.17 |
0.25 |
0.5 |
0.5 |
0.29 |
0.36 |
|
0.25 |
| image currents power at 4.6-20 K |
P_IC [W/m] |
0.15 |
0.33 |
1.87 |
3.74 |
0.96 |
0.96 |
|
0.33 |
| BG heat load for 100 h (10 h) LT |
P_gas [W/m] |
0.038 (0.38) |
0.056 (0.56) |
0.113 (1.13) |
0.113 (1.13) |
0.066 (0.66) |
0.081 (0.81) |
|
0.056 (0.56) |
| luminosity reduction |
F |
0.840573754 |
0.801137558 |
0.80106533 |
0.80075751 |
0.341674625 |
0.341674625 |
|
0.472038963 |
| separation |
|
9.452380653 |
9.96117463 |
9.9505025 |
9.96117463 |
9.615092303 |
9.615092303 |
|
3.984469852 |
| IP spot size |
sigmax,y [m] |
1.66253E-05 |
1.58516E-05 |
1.12088E-05 |
1.58516E-05 |
1.12088E-05 |
1.12088E-05 |
|
6.34064E-06 |
|
| extent of luminous region |
sigmal [m] |
0.044820281 |
0.042705949 |
0.021379318 |
0.021371059 |
0.034662445 |
0.034662445 |
|
0.025118889 |
|
| beam lifetime |
t_eff [h] |
44.85 |
28.82608696 |
14.41304348 |
14.41304348 |
8.764044944 |
10.73595506 |
|
4.612173913 |
|
| optimum run time for 10 h tar |
t_coll,opt |
21.17781858 |
16.97824695 |
12.00543355 |
12.00543355 |
9.361647795 |
10.36144539 |
|
6.791298781 |
| optimum run time for 5 h tar |
t_coll,opt |
14.97497913 |
12.00543355 |
8.489123476 |
8.489123476 |
6.619684639 |
7.326648298 |
|
4.802173421 |
|
| integrated L over 200 days, 10 h |
t_int |
79.72870942 |
157.4090925 |
473.181115 |
473.181115 |
359.5453774 |
398.2513181 |
|
406.3391686 |
| integrated L over 200 days, 5 h |
t_int |
97.11884779 |
198.0851202 |
629.6363698 |
629.6363698 |
499.1368828 |
543.3184137 |
|
596.1870073 |
|
| effective luminosity |
t_eff |
4.61393E+33 |
9.10932E+33 |
2.73832E+34 |
2.73832E+34 |
2.0807E+34 |
2.3047E+34 |
|
2.3515E+34 |
| effective luminosity |
t_eff |
5.6203E+33 |
1.14633E+34 |
3.64373E+34 |
3.64373E+34 |
2.88852E+34 |
3.1442E+34 |
|
3.45016E+34 |
|
|
|
|
|
|
|
|
|
|
|