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Difference: BCStageA1 (10 vs. 11)

BCStageA1 11 - 07 Mar 2016 - Main.WolfgangGeithner
Line: 1 to 1
 
META TOPICPARENT name="BeamCommissioningStageA"

FAIR Commissioning Phase A.1) - Injection and First Turn

Line: 87 to 87
 

Changed:
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<
Step Activity Who Priority Special Procedures
YR GS GE 1S CR HR
A.1.1 Commission Injection Region (1 Pilot Bunch)
.01 Commission final metres of preceding TL 1 X
.02 Setup injection elements with beam 1
.03 Beam commissioning injection screens & grids 1
.04 Detailed steering onto moved-in injection collimator (if available -> otherwise vacuum chamber) 1
.05 Power injection kicker/bumper 1
.06 Check stability of transfer lines and trajectory without injection kicker/bumper 2
.07 Check stability of injected trajectory with injection kicker/bumper ON, measure kicker/bumper waveform 2
.08 Beam commissioning Software-Interlock-System (parasitic) 2
.09 Perform aperture scan at magnetic/electro-static injection septa 2
A.1.2 Threading Beam around the Ring
.01 Open injection absorber/collimator (if applicable, or not dumped onto vacuum chamber) 1
.02 Coarse beam commissioning of BPMs (asynch. acquisition/narrow band, if available) 1
.03 Commission trajectory acquisition and correction 1
.04 Threading around ring 1
.05 First measurement of energy mismatch (correction if needed) 1
.06 First BPM and corrector polarity checks and repairs 1
.07 Beam commissioning of DCCTs & ICT 1
.08 Commission BPM intensity measurement mode (parasitic) 2
.09 Systematic BPM and corrector polarity checks and repairs 2
.10 Systematic physical aperture scans, free oscillations and sliding bumps 2
.11 Systematic linear optics checks with kick/response 2
.12 Momentum aperture measurement 2
(N.B. priority definition 1: must, 2: optional, 3: nice to have, if time available -- 2&3: optional items, e.g. for night-time shift or if commissioning delayed by another item)
>
>
Step Activity Who Priority Special Procedures
YR GS GE 1S CR HR
A.1.1 Commission Injection Region (1 Pilot Bunch)
.01 Commission final metres of preceding TL 1 X
.02 Setup injection elements with beam 1
.03 Beam commissioning injection screens & grids 1
.04 Detailed steering onto moved-in injection collimator (if available -> otherwise vacuum chamber) 1
.05 Power injection kicker/bumper 1
.06 Check stability of transfer lines and trajectory without injection kicker/bumper 2
.07 Check stability of injected trajectory with injection kicker/bumper ON, measure kicker/bumper waveform 2
.08 Beam commissioning Software-Interlock-System (parasitic) 2
.09 Perform aperture scan at magnetic/electro-static injection septa 2
A.1.2 Threading Beam around the Ring
.01 Open injection absorber/collimator (if applicable, or not dumped onto vacuum chamber) 1
.02 Coarse beam commissioning of BPMs (asynch. acquisition/narrow band, if available) 1
.03 Commission trajectory acquisition and correction 1
.04 Threading around ring 1
.05 First measurement of energy mismatch (correction if needed) 1
.06 First BPM and corrector polarity checks and repairs 1
.07 Beam commissioning of DCCTs & ICT 1
.08 Commission BPM intensity measurement mode (parasitic) 2
.09 Systematic BPM and corrector polarity checks and repairs 2
.10 Systematic physical aperture scans, free oscillations and sliding bumps 2
.11 Systematic linear optics checks with kick/response 2
.12 Momentum aperture measurement 2
(N.B. priority definition 1: must, 2: optional, 3: nice to have, if time available -- 2&3: optional items, e.g. for night-time shift or if commissioning delayed by another item)
 

To be considered: required time - minimum (rough estimate, smallest time quantity 1h, otherwise given in terms of 8h shifts) required time - contingency (rough estimate, subjective at this time but should not reflect worst-case)

Revision 011
Revision 110