SLAC National Accelerator Laboratory
Beam Current: 498.97 mA Beam Status: Beams (MCC) Loss Rate: -1.47 mA/min
SPEAR Plot

SPEAR Operator Messages

16-APR-2014 10:28 SPEAR is back in standard low-emittance optics with 500mA topoffs every 5 minutes until 6am Monday morning.
26-MAR-2014 08:00 The regular SSRL program is defined in the FY2014 SPEAR Schedule. Maintenance and Accelerator Physics activities are scheduled every two weeks, Monday 6am through Wednesday 6am.

Beam Parameters:
Automatic frequent fills every 5 min to 500mA. Fill pattern: 4 bunch trains with a single camshaft bucket.

SSRL BEAMLINES For Updates From the BL Duty Operator, Call 926-BEAM (2326)
Beamline Steering Period Gap/mm Field/T K Pwr/W Yield/Ah
1 Closed OK - 48.0 1.249 - 71 1058.35
2 Open OK - 48.0 1.249 - 71 1498.23
4 Open 10 18.0 1.891 40.62 23389 1493.21
5 Open 14 33.0 0.473 6.18 1248 1494.20
6 Open OK 27 16.0 0.849 5.55 3872 1494.71
7 Open OK 10 17.4 1.929 41.45 24343 1475.92
8 Open OK - 48.0 1.249 - 71 1495.57
9 Open 8 24.6 1.930 49.62 24595 961.48
10 Open OK 15 23.9 1.272 16.28 9455 1432.18
11 Open 13 16.0 1.995 32.61 25768 1492.88
12-2 Open 67 22.0 0.143 0.30 85 1493.74
13 Open EPU 37.3 0.151 1.12 119 1423.14
14 Open OK - 48.0 1.249 - 71 1489.79
Top-off mode: Enabled Total run electron beam current integral: 1566.880 Ah

Detailed Accelerator and Beam Line Information