SLAC National Accelerator Laboratory
Energy: 3.000 GeV Beam Status: Beams Beam Current: 350.03 mA
SPEAR Plot
Vacuum Quality*: -0.41 Ah Loss Rate: -3.03 mA/min Lifetime: -1.93 h

SPEAR Operator Messages

3-JAN-2012 09:00 SPEAR3 is scheduled to deliver beam to SSRL users in automatic mode with frequent fills every 5 min to 350mA . The SSRL program is defined in the 2011-2012 User Run Schedule. Maintenance and Accelerator Physics activities are scheduled every two weeks, Monday 6am through Wednesday 6am.
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 Open OK - 48.0 1.249 - 50 521.72
2 Open OK - 48.0 1.249 - 50 521.59
4 Open – 10 18.0 1.892 40.64 16427 519.58
5 Closed – 10 30.4 0.512 8.75 957 427.55
6 Open OK 27 17.3 0.783 5.12 2314 507.15
7 Open – 10 17.4 1.932 41.51 17131 521.39
8 Open OK - 48.0 1.249 - 50 519.49
9 Closed – 8 24.6 1.929 49.63 17257 467.54
10 Open OK 15 23.8 1.275 16.32 6664 505.80
11 Open – 13 16.0 1.996 32.63 18087 508.23
12-2 Open – 67 6.8 0.871 1.79 2232 508.72
13 Open – EPU 26.5 0.310 2.31 353 508.45
14 Closed OK - 48.0 1.249 - 50 483.81
Top-off mode: Enabled Total run electron beam current integral: 588.601 Ah
Accelerator Information
Vacuum Information (internal use only):   SPEAR,   Beamlines
SPEAR Home Page SPEAR Dedication video,   Picture 1,   Picture 2
* Vacuum Quality = 0.4 * ( Lifetime / 1 h ) * ( Beam Current / 1000 mA )0.6