| Planning: |
G. Arduini |
SPS machine |
| |
R. Assmann |
Collimation project |
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| Manpower: |
Rely on: |
BLM team |
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Collimation team |
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Orbit team |
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Impedance team |
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HOM team |
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SPS operation |
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US-LARP visitors |
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BDI |
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CO |
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Collimation team: |
1 hardware person |
|
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|
1 accelerator physics person |
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Machine: |
Gianluigi or Jorg? |
|
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Orbit team: |
Jorg or Ralph Steinhagen |
|
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BLM team |
Barbara, Lars, hardware person |
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Controls: |
M. Jonker |
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Impedance team: |
F. Zimmermann, H. Burkhardt,
... |
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HOM team: |
Tom |
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Vacuum: |
Miguel |
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| Dates: |
11-Oct-2004 |
MD#1: Beam
test in the LHC ring (beam loss response, collimator tuning, set-up
with small gaps, impedance) |
| |
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|
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18-Oct-2004 |
MD#2: Beam
test in the LHC ring (impedance, vacuum, outgassing, higher-order
modes, loss maps) |
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25-Oct-2004 |
MD#3:
Robustness test in TT40 |
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| Schedule MD1: |
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| Time |
Beam |
Activity |
Persons |
| |
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| 6 h |
Low emittance, low
intensity (0.9 micron, 3e10, 16 bunches) |
- Commission LHC type BLM's.
- Measure response function with varying collimator settings.
- Use of additional collimator to define square beam distribution?
- Beam stability at 270 GeV.
|
BLM team
Machine
Collimation team
Orbit team
Controls |
| |
|
|
|
| 12 h |
as above |
- Close collimation gap
- Center around beam
- Establish smallest possible gap (goal is 2-3 mm)
|
Machine
Collimation team
Orbit team |
| |
|
|
|
| 6 h |
Low emittance, highest
possible bunch current (tbc) |
- Impedance measurements (different methods)
|
Machine
Collimation team
Impedance team
BDI (PLL?) |
| |
|
|
|
| Issues |
Remote control of collimator
to be optimized |
|
| |
Positioning of BLM's |
|
| |
Software control for
collimators to be improved (MIDI) |
|
| |
Logging of all sensor and
collimator information |
|
| |
Check of sensor readings and
re-calibration if required. |
|
| |
Display for BLM data and
reception on windows |
|
| |
Logging for BLM (collimation
team) and orbit data (Orbit team) |
|
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| Schedule MD2: |
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| Time |
Beam |
Activity |
Persons |
| |
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| 1 h |
Low emittance, low
intensity (0.9 micron, 3e10, 16 bunches) |
- Re-check collimator set-up and position
|
BLM team
Machine
Collimation team
Orbit team
Controls |
| |
|
|
|
| 8 h |
Low emittance, highest
possible bunch current (tbc) |
- Impedance measurements continued (different methods)
|
Machine
Collimation team
Impedance team
BDI (PLL?) |
| |
|
|
|
| 4 h |
Medium intensity (tbc) |
- Vacuum test with beam loss at shallow angles
|
Machine
Collimation team
Vacuum group |
| |
|
|
|
| 6 h |
High intensity, 3.5
micron, 270 GeV, possibly 450 GeV |
- Beam loss maps, detailed response of BLM's
- Response of BPM's with beam loss
|
Machine
Collimation team
BLM team
Orbit team |
| |
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| 5 h |
Reserve |
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| Issues |
See above |
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| Schedule MD3: |
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| Time |
Beam |
Activity |
Persons |
| |
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| 8 h |
1.1e11, 288 bunches, 450
GeV |
- Send 5 shots for C-C jaw at 1, 2, 3, 4, 5 mm impact
parameter.
- Send 5 shots for C jaw at 1, 2, 3, 4, 5 mm impact parameter.
|
Machine
TT40/BT team
Collimation team
BLM team
Vacuum team |
| |
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| Issues: |
|
Closure of vacuum valves after each shot? |
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Wait for cool-down of components |
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No fast valve upstream of experiment |
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