RHUL Physics Department TWiki> PP/JAI Web>BeamPosition>ClicBpm>ClicLogBook>ClicLogBook20130328 (12 Apr 2013, FrankieCullinan)
Tags:
create new tag
view all tags

Corrector Scans

  • ctf3cbpm_20130328_154359.dat 100 ns pulses at maximum (?) attenuation (not a corrector scan)

Single corrector scan

740V current range (A) Filename
9.4 - 10 ctf3cbpmCorr_20130328_160521.dat
9.4 - 10 ctf3cbpmCorr_20130328_160726.dat
9.2 - 10 ctf3cbpmCorr_20130328_161343.dat

Two Corrector Scan

  • -0.4A to 0.4A range

Filename
ctf3cbpmCorr_20130328_161644.dat
ctf3cbpmCorr_20130328_161925.dat
ctf3cbpmCorr_20130328_162506.dat
ctf3cbpmCorr_20130328_162927.dat
ctf3cbpmCorr_20130328_163132.dat
ctf3cbpmCorr_20130328_163336.dat
ctf3cbpmCorr_20130328_163541.dat
ctf3cbpmCorr_20130328_163805.dat

  • Lowered beam charge

Filename
ctf3cbpmCorr_20130328_164242.dat
ctf3cbpmCorr_20130328_164501.dat

  • -0.3 to 0.3A range

Filename
ctf3cbpmCorr_20130328_164716.dat
ctf3cbpmCorr_20130328_164853.dat
ctf3cbpmCorr_20130328_165045.dat
ctf3cbpmCorr_20130328_165410.dat
ctf3cbpmCorr_20130328_165707.dat
ctf3cbpmCorr_20130328_165859.dat
ctf3cbpmCorr_20130328_171128.dat

  • ctf3cbpm_20130328_170312.dat is tune file for ctf3cbpmCorr_20130328_171128.dat above

LO Frequency Scan

LO Tune Voltage (V) Filename
4.3 ctf3cbpm_20130328_172145.dat
4.35 ctf3cbpm_20130328_172212.dat
4.4 ctf3cbpm_20130328_172236.dat
4.45 ctf3cbpm_20130328_172256.dat
4.5 ctf3cbpm_20130328_172318.dat
4.55 ctf3cbpm_20130328_172335.dat
4.6 ctf3cbpm_20130328_172351.dat
4.65 ctf3cbpm_20130328_172409.dat
4.7 ctf3cbpm_20130328_172427.dat
4.75 ctf3cbpm_20130328_172445.dat
4.8 ctf3cbpm_20130328_172503.dat
4.85 ctf3cbpm_20130328_172521.dat
4.9 ctf3cbpm_20130328_172538.dat
4.95 ctf3cbpm_20130328_172553.dat
5 ctf3cbpm_20130328_172848.dat
5.05 ctf3cbpm_20130328_173002.dat
5.1 ctf3cbpm_20130328_173059.dat

Vertical Corrector Scans

  • Long pulses, inductive BPMs logged
  • Two correctors used

Corrector current/A Filename
-0.3 ctf3cbpmAll_20130328_174652.dat
-0.2 ctf3cbpmAll_20130328_174724.dat
-0.1 ctf3cbpmAll_20130328_174743.dat
0 ctf3cbpmAll_20130328_174802.dat
0.1 ctf3cbpmAll_20130328_174819.dat
0.2 ctf3cbpmAll_20130328_174841.dat
0.3 ctf3cbpmAll_20130328_174901.dat

Corrector current/A Filename
-0.3 ctf3cbpmAll_20130328_174949.dat
-0.2 ctf3cbpmAll_20130328_175008.dat
-0.1 ctf3cbpmAll_20130328_175026.dat
0 ctf3cbpmAll_20130328_175045.dat
0.1 ctf3cbpmAll_20130328_175105.dat
0.2 ctf3cbpmAll_20130328_175124.dat
0.3 ctf3cbpmAll_20130328_175145.dat

  • 100 pulses logged with the long trains ctf3cbpmAll_20130328_175537.dat

Corrector current/A Filename
-0.3 ctf3cbpmAll_20130328_175757.dat
-0.2 ctf3cbpmAll_20130328_175831.dat
-0.1 ctf3cbpmAll_20130328_175856.dat
0 ctf3cbpmAll_20130328_175917.dat
0.1 ctf3cbpmAll_20130328_175936.dat
0.2 ctf3cbpmAll_20130328_175953.dat
0.3 ctf3cbpmAll_20130328_180011.dat

Charge Scan with Picomotor

  • Processing file: ddc_130328_171217.json, can also use ddc_130328_171217_max.json

Picomotor value Filename
-5900 ctf3cbpm_20130328_180551.dat
-5850 ctf3cbpm_20130328_180610.dat
-5800 ctf3cbpm_20130328_180629.dat
-5750 ctf3cbpm_20130328_180649.dat
-5700 ctf3cbpm_20130328_180708.dat
-5650 ctf3cbpm_20130328_180731.dat
-5600 ctf3cbpm_20130328_180751.dat
-5550 ctf3cbpm_20130328_180816.dat
-5500 ctf3cbpm_20130328_180837.dat
-5450 ctf3cbpm_20130328_180853.dat
-5400 ctf3cbpm_20130328_180911.dat
-5350 ctf3cbpm_20130328_180932.dat
-5300 ctf3cbpm_20130328_180957.dat
-5250 ctf3cbpm_20130328_181016.dat
-5200 ctf3cbpm_20130328_181035.dat
-5150 ctf3cbpm_20130328_181052.dat
-5100 ctf3cbpm_20130328_181117.dat
-5050 ctf3cbpm_20130328_181139.dat
-5000 ctf3cbpm_20130328_181158.dat
-4950 ctf3cbpm_20130328_181217.dat
-4900 ctf3cbpm_20130328_181235.dat
-4850 ctf3cbpm_20130328_181254.dat
-4800 ctf3cbpm_20130328_181314.dat
-4750 ctf3cbpm_20130328_181346.dat
-4700 ctf3cbpm_20130328_181410.dat
-4650 ctf3cbpm_20130328_181428.dat
-4600 ctf3cbpm_20130328_181447.dat
-4550 ctf3cbpm_20130328_181536.dat
-4500 ctf3cbpm_20130328_181607.dat
-4450 ctf3cbpm_20130328_181625.dat
-4400 ctf3cbpm_20130328_181645.dat
-4350 ctf3cbpm_20130328_181705.dat
-4300 ctf3cbpm_20130328_181729.dat
-4250 ctf3cbpm_20130328_181751.dat
-4200 ctf3cbpm_20130328_181809.dat
-4150 ctf3cbpm_20130328_181829.dat
-4100 ctf3cbpm_20130328_181848.dat
-4050 ctf3cbpm_20130328_181958.dat

  • Gradient: 1.178+/-0.12 V/nC
  • Corresponding reference cavity sensitivity: 52.6+/-0.5 V/nC

bcmscan_20130328.png

Vertical Corrector Scans

  • Inductive BPMs only to measure sensitivity of beam position to correctors
  • Single corrector scan
  • process file ddc_20130328_160312.json

v740 current/A Filename
-10 ctf3cbpmAll_20130328_182606.dat
-9 ctf3cbpmAll_20130328_182627.dat
-8 ctf3cbpmAll_20130328_182646.dat
-7 ctf3cbpmAll_20130328_182705.dat
-6 ctf3cbpmAll_20130328_182733.dat
-5 ctf3cbpmAll_20130328_182753.dat
-4 ctf3cbpmAll_20130328_182814.dat
-3 ctf3cbpmAll_20130328_182832.dat
-2 ctf3cbpmAll_20130328_182850.dat
-1 ctf3cbpmAll_20130328_182908.dat
0 ctf3cbpmAll_20130328_182926.dat
1 ctf3cbpmAll_20130328_182943.dat
2 ctf3cbpmAll_20130328_183002.dat
3 ctf3cbpmAll_20130328_183020.dat
4 ctf3cbpmAll_20130328_183037.dat
5 ctf3cbpmAll_20130328_183052.dat
6 ctf3cbpmAll_20130328_183109.dat
7 ctf3cbpmAll_20130328_183136.dat
8 ctf3cbpmAll_20130328_183154.dat
9 ctf3cbpmAll_20130328_183209.dat
10 ctf3cbpmAll_20130328_183228.dat

  • This time, both correctors used
  • Useful range, -3 to +8 A

Corrector Current/A Filename
-10 ctf3cbpmAll_20130328_183320.dat
-9 ctf3cbpmAll_20130328_183340.dat
-8 ctf3cbpmAll_20130328_183400.dat
-7 ctf3cbpmAll_20130328_183425.dat
-6 ctf3cbpmAll_20130328_183449.dat
-5 ctf3cbpmAll_20130328_183508.dat
-4 ctf3cbpmAll_20130328_183531.dat
-3 ctf3cbpmAll_20130328_183633.dat
-2 ctf3cbpmAll_20130328_183702.dat
-1 ctf3cbpmAll_20130328_183721.dat
0 ctf3cbpmAll_20130328_183748.dat
1 ctf3cbpmAll_20130328_183808.dat
2 ctf3cbpmAll_20130328_183826.dat
3 ctf3cbpmAll_20130328_183855.dat
4 ctf3cbpmAll_20130328_183915.dat
5 ctf3cbpmAll_20130328_183933.dat
6 ctf3cbpmAll_20130328_183951.dat
7 ctf3cbpmAll_20130328_184011.dat
8 ctf3cbpmAll_20130328_184030.dat
9 ctf3cbpmAll_20130328_184050.dat
10 ctf3cbpmAll_20130328_184112.dat

correctorcal.png

-- JackTowler - 28 Mar 2013

Edit | Attach | Watch | Print version | History: r7 < r6 < r5 < r4 < r3 | Backlinks | Raw View | Raw edit | More topic actions

Physics Webpages • RHUL Webpages • Campus Connect • Royal Holloway, University of London, Egham, Surrey TW20 0EX; Tel/Fax +44 (0)1784 434455/437520

Topic revision: r7 - 12 Apr 2013 - FrankieCullinan

 
This site is powered by the TWiki collaboration platform Powered by PerlCopyright © 2008-2023 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding RHUL Physics Department TWiki? Send feedback