G2p BPM calibration
From Hall A Wiki
Revision as of 09:23, 4 September 2012 by Pzhu (Talk | contribs) (→New Hall A 4 channels BPM receivers)
1H05A Harp
Introduction
Operation
Data
Calibration
New Hall A 4 channels BPM receivers
Introduction
calibration code
you can find the code in /w/halla-1/g2p/pzhu/bpm
Calibration
Record
Result
2012-03-13 straight through
Harp Position
04 pos: -0.596600 -3.427600 05 pos: -0.083863 -0.210633
04 pos: 1.862300 -3.284650 05 pos: 5.177507 0.096181
04 pos: -0.699100 -0.628700 05 pos: 0.361084 3.999516
04 pos: -1.063000 -3.079700 05 pos: -3.858823 -0.391652
FastBus BPM Constant(changed in DB)
Left Arm; BPMA: Pedestal: 6725 6822 6693 6646 Constant: -0.805439 -0.918064 -0.655198 0.827926 0.000966196 -0.00048809 BPMB: Pedestal: 6771 6692 6895 6636 Constant: -0.94476 -0.43273 -0.450026 1.00609 0.000283125 -0.000590868 Right Arm: BPMA: Pedestal: 7993 7684 7650 7741 Constant: -0.81659 -0.957246 -0.649409 0.849953 -0.000214091 0.000813938 BPMB: Pedestal: 7647 7090 7515 7582 Constant: -0.986274 -0.453713 -0.398684 0.978419 0.000452928 -0.000172695
Happex BPM Constant
Left Arm: BPMA: Pedestal: -212 365 302 -50 Constant: 0.672299 0.821784 0.821081 -0.75202 0.000213337 -0.000229398 BPMB: Pedestal: -326 -2 149 255 Constant: 0.497503 -0.960877 0.988539 0.484619 1.15764e-06 -0.000686385 Right Arm: BPMA: Pedestal: 289 -47 242 5 Constant: 0.673755 -0.819618 0.821392 0.750197 9.88778e-05 -0.000539474 BPMB: Pedestal: -75 324 361 382 Constant: 0.497959 -0.956856 0.988169 0.487861 -9.26384e-05 -0.000520734