Cavity BPM Shift
present: Stewart, Jochem, Young-Im
ATF logbook:
http://atf.kek.jp/twiki/bin/view/ATFlogbook/Log20130416d
10:00 shift started
- tunnel access to remove attenuation from QD10BFF
- Need to tune and calibrate MFB2FF (+- 50 um) , QD10BFF (+-250 um), IPX1, IPX2 (+- 250 um)
- DR frequency change -4kHz to 714.019MHz
- intensity about 0.4e10
| Operation |
BPM |
File name |
Note |
| tune |
MFB2FFx |
bpmLog_20130416_110403.dat.gz |
|
| tune |
MFB2FFy |
bpmLog_20130416_110752.dat.gz |
Tau fit fail |
| tune |
QD10BFFx |
bpmLog_20130416_111815.dat.gz |
|
| tune |
QD10BFFy |
bpmLog_20130416_111939.dat.gz |
|
| tune |
REFIPX |
bpmLog_20130416_112157.dat.gz |
|
| svd cal |
MFB2FFx |
bpmAllMoverCalibration_20130416_112547.dat.gz |
looked strange (check) +- 50 |
| svd cal |
MFB2FFy |
bpmAllMoverCalibration_20130416_114206.dat.gz |
56.68, 2.6908 |
| svd cal |
QD10BFFx |
bpmAllMoverCalibration_20130416_114930.dat.gz |
|
| svd cal |
QD10BFFy |
bpmAllMoverCalibration_20130416_115309.dat.gz |
|
| fs bump cal |
IPAx |
bpmFsBumpCalibration_20130416_115807.dat.gz |
|
| fs bump cal |
IPBx |
bpmFsBumpCalibration_20130416_120133.dat.gz |
|
- Constant upload off, Sextupoles off( previous SF6FF : 15.855, SD4FF : 28.152, SF5FF : 1.067, SF1FF 3.769, SD0FF 6.361)
- 500 pulse file : bpmAllLog_20130416_120535.dat.gz
QF19Xx -> about 15% change in pos scale (orig: 1053, new: 1206, repeat: 1160). IQ -rot (orig: 0.44, new: 0.45, repeat 0.45)
QM15FFy -> about 10% change in pos scale
QM14FFx bpmMoverCalibration_20130416_132705.dat.gz -> mover trim problem, redo.
13:30 beam off for magnet power supply switch.
14:40 beam on.
14:55 restart calibrations, start with QM14FFx
intensity 0.2e10, Okugi-san and Naito-san tuning to 0.5e10 continuing calibration. Tuning was done during calibration of QM13FFy to QD10BFFx
QM11FFy: max power interlock -> only 4 svd positions. redone.
We found out that QD2AFFy was not calibrated correctly!-->
need to check original calibration
original sextupole positions:
| sextupole magnet |
x |
y |
| SF6FF |
280.7 |
-115.0 |
| SF5FF |
311.0 |
9.0 |
| SD4FF |
97.6 |
-133.4 |
| SF1FF |
307.7 |
-146.5 |
| SD0FF |
45.8 |
-191.0 |
QF7FFy svd crash. redo. (no trace due to 'less' screwing up history) files:
20130416_164956 bpmSvdMoverCal QF7FF y
20130416_165005 bpmLogAlldata bpmAllLog_20130416_164957.dat.gz 20.0
20130416_165332 bpmSvdMoverCal bpmAllMoverCalibration_20130416_165006.dat.gz QF7FF y 20.0 -250.0 250.0 5.0
20130416_165332 bpmMoverCal bpmMoverCalibration_20130416_165006.dat.gz QF7FF y 20.0 -250.0 250.0 5.0
QD2AFFy calibrated and uploaded 1062.18 1.8595
SBand calibrate with +- 250um. small signals
| SF1FF x |
bpmMoverCalibration_20130416_183616.dat.gz |
| SF1FF y |
bpmMoverCalibration_20130416_183827.dat.gz |
| SD0FF x |
bpmMoverCalibration_20130416_184026.dat.gz |
| SD0FF y |
bpmMoverCalibration_20130416_184209.dat.gz |
remove 6dB attenuation. recalibrate and upload constants, and change range
| BPM |
log |
scale |
IQrot |
range |
| SF1FF x |
bpmMoverCalibration_20130416_184443.dat.gz |
2243.39 |
2.8415 |
+-250 |
| SF1FF x |
bpmMoverCalibration_20130416_184636.dat.gz |
1978.22 |
|
+-500 |
| SF1FF y |
bpmMoverCalibration_20130416_184824.dat.gz |
1368.32 |
-1.0098 |
+-500 |
| SD0FF x |
bpmMoverCalibration_20130416_185021.dat.gz |
1404.70 |
0.1290 |
+-500 |
| SD0FF y |
bpmMoverCalibration_20130416_185204.dat.gz |
887.13 |
-0.9512 |
+-500 |
| FB2FFy |
bpmMoverCalibration_20130416_185443.dat.gz |
131.77 |
2.6852 |
+-50 |
| FB2FFx |
bpmMoverCalibration_20130416_185721.dat.gz |
113.45 |
-0.4043 |
+-250 |
save calibration data: * bpmCasr:save bpmCasr_20130416_190033.dat *
PREIP P-IP IPA IPB bump recalibration
IPB-x calibration position scale different from database (3000 vs 6000) redo, same as before. was fine all along? to be checked
IPB-x 1 bpmFsBumpCalibration_20130416_192004.dat.gz
IPB-x 2 bpmFsBumpCalibration_20130416_192526.dat.gz
flatten orbit at IP region with QD0 and QF7FF and take orbit data.
IP region steered resolution data (with QD0 and QF7) looks good!
| file |
note |
| bpmAllLog_20130416_193622.dat |
|
| bpmAllLog_20130416_193954.dat |
|
| bpmAllLog_20130416_194438.dat |
increase charge a bit (0.6e10 EXT, 0.3e10 IP) |
| bpmAllLog_20130416_194821.dat |
decrease charge a bit (0.4e10 EXT, 0.2e10 IP), but gotten up by tuning of Fukuda-san |
| bpmAllLog_20130416_195447.dat |
increase charge again (0.5e10 EXT, 0.3e10 IP) |
| bpmAllLog_20130416_200134.dat |
steer orbit around with ZV6X scan |
| bpmAllLog_20130416_201520.dat |
steer orbit around with ZH1X scan |
*IPA-y and IPB-y redo Calibration, constant upload off
bpmFsBumpCalibration_20130416_211039.dat.gz
bpmFsBumpCalibration_20130416_211345.dat.gz
- /atf/data/cbpm/raw/bpmAllLog_20130417_180123.dat.gz
PP/JAI Web>RFLab>BeamPosition>AtfBpmDigital>AtfBpmNewLogBook>AtfBpmNewLogBook_20130416 (17 Apr 2013, StewartBoogert)
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