SLAC National Accelerator Laboratory
Beam Current: 496.67 mA Beam Status: Beams (ACR) Loss Rate: 1.08 mA/min
SPEAR Plot

SPEAR Operator Messages

7-MAR-2016 06:07 Beam loss detected 7-MAR-2016 06:07:39.17
SSRL BEAMLINES
Beamline Steering Periods Gap(mm) Field(T) K Pwr(W) Yield(Ah)
1 Open OK - 48.0 1.249 - 71 1012.09
2 Open OK - 48.0 1.249 - 71 1024.93
4 Open – 10 18.0 1.892 40.64 23308 1024.67
5 Open – 14 38.9 0.248 3.24 341 1014.32
6 Open OK 27 16.0 0.850 5.56 3865 1025.95
7 Open – 10 17.4 1.931 41.47 24262 1024.07
8 Open OK - 48.0 1.249 - 71 986.11
9 Open – 8 24.6 1.929 49.61 24470 1009.11
10 Open OK 15 23.9 1.272 16.28 9413 1016.94
11 Open – 13 16.0 1.996 32.63 25664 1023.10
12-2 Open – 67 7.4 0.782 1.61 2550 845.16
13 Open – 23 36.5 0.157 1.18 130 1025.87
14 Open OK - 48.0 1.249 - 71 1024.54
15 Closed – 86 22.0 0.106 0.22 60 0.00
16 Closed – - 48.0 1.249 - 71 0.00
Top-off mode: Enabled Total run electron beam current integral: 1113.302 Ah
Detailed Accelerator and Beam Line Information