Day |
Short
summary/plan |
Link to reports from 8:30 and 17:00
meetings |
Sunday 25th April 2010 |
- 09:15: Beta beat measurements and loss maps at the end of fill
- 11:00 : Beam dumped - Combo pre-cycle and ramp down
- 13:30 : Preparing for access for QPS - Vacuum problem on MKI P2
- No beam before 19h
- Plan for next fill: 3.5 TeV, squeezed optics, 2e10/beam (2bx2b) Van der Meer
scans
- Cancelled: Fill at 3.5TeV, squeezed optics, 3.5e10/beam (3bx3b) - stable
beams
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Report from 9h00 meeting
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Saturday 24th April 2010 |
- 03:13: First stable beams with beta*=2m.
- 05:30: All 4 experiments above 1.1e28 cm-2s-1 after optimization! Factor 10 in luminosity achieved, as predicted!
- Plan for next fill: 3.5 TeV, squeezed optics, 2e10/beam (2bx2b) Van der Meer
scans
- Then: Fill at 3.5TeV, squeezed optics, 3.5e10/beam (3bx3b) - stable
beams
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Report from 9h00 meeting
|
Friday 23rd April 2010 |
- 06:00 - 12:00 : Qualification for 3.5TeV squeezed optics -
last check
- 12:00 - 20:00 : Access (QPS and UPS) and recovery
- 20:00 - 12:00 : Setup beam flag - 3.5TeV squeezed optics - stable
beams
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Report from 8h30 meeting
Report from the 14:30 meeting
Report from the 17:00 meeting
Talk at LPCC (2 week summary) |
Thursday 22nd April 2010 |
- 09:00 - 16:00 : Recovering and qualification for 3.5TeV squeezed
optics for operation - Partially done (beam dump at 2 m due to
incorporated unwanted tune trim)
- 16:00 - 18:00 : Ramping down
- 18:00 - 22:00 : transverse damper commissioning performed
- 22:00 - 06:00 : Qualification for 3.5TeV squeezed optics for
operation (1 squeeze done)
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Report from 8h30 meeting
Report from the 17:00 meeting |
Wednesday 21st April 2010 |
- 02h20: Beta beating measurement and correction done.
- 05h00: All IR steered into collision for beta* of 2m. Collimation setup in IR's in parallel.
- 05h30: Beams lost.
- 07h00: RF phasing.
- 09h30: Preparing next fill for ramp and squeeze.
- 10h45: Start of ramp.
- 11h35: Arrival at 3.5 TeV.
- Afternoon:
- Squeeze to 2 m done for all IPs
- TCTs setting up and loss maps performed
- Asynchronous beam dump performed
- ~20:00: Cryo problem - no beam until Thu. morning.
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Report from 8h30 meeting
Report from the 17:00 meeting
Weekly report at LMC |
Tuesday 20th April 2010 |
- 02h30: Ramp started. Sector 78 tripped. Recovery. Pre-cycle.
- 06h30: Machine ready again. Injection setup.
- 11h30: Start ramp.
- 12h00: Beams dumped due to RQTD, RQTF trips. Recover. Pre-cycle.
- 17h00: Ramp to 3.5 TeV.
- 18h30: Start squeeze all 4 IR's.
- 23h00: All 4 IR's at 2m.
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Report from 8h30 meeting |
Monday 19th April 2010 |
- 08h30: Beams at 3.5 TeV. Preparing squeeze.
- 10h00: Beam 2 dumped by LBDS fault. End of fill study for beam 1 (loss map).
- 11h00: Ramp down.
- 12h00: Access for LBDS.
- 13h00: Recovery and injection setup.
- 17h30: Start ramp. Squeeze studies. IR1/5/8 at 2m.
- 21h30: End of squeeze studies.
- 23h00: Machine ready for injection.
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Report from 8h30 meeting
MP3 presentation |
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