| Day |
Short
summary/plan |
Link to reports from 8:30 and 17:00
meetings |
| Monday 21st June |
- Midnight - 3:00 : Controlled beam scraping before asynchronous beam
dump.
- 3:00 - 5:00 : Combo ramp down
- 5:00 - 13:00 : 450 GeV LBDS setting-up and qualification
- 13:00 - 15:00 : Combo ramp down
- 15:00 - 01:00 : Inject 2bx2b (single_2b_1_1_1), ramp, squeeze,
collapsed separation bumps, crossing angle IP1/5 at
-100/100 urad - protection device qualification to continue
|
Report from 08:30 meeting
Serge Claudet presentation |
| Sunday 20th June |
- Recover from access for FIP repeater in RR17
- ~noon - midnight: Inject 2bx2b (single_2b_1_1_1), ramp, squeeze,
collapsed separation bumps, vernier scan, crossing angle IP1/5 at
-100/100 urad - TCTs setting up at 3.5 TeV -TCDQ -
- midnight - 3:00 : Controlled beam scraping before asynchronous beam
dump.
|
Report from 09:00 meeting |
| Saturday 19th June |
- ~ 9:00 - 10:00 : Exercise the mechanics of collapsed bumps in all
IPs, switching IP1/5 to -100 urad
- 10:00 - 12:00 : Ramp down combo
- 12:00- 16:20 : Inject 2bx2b (single_2b_1_1_1)for TCTs setting up at
3.5 TeV, collapsed separation bumps, with crossing angle IP1/5 at
-100/100 urad - dump beam due to LBDS internal fault (vacuum interlock)
- 16:20 - 17:30 : Continue with beam1 to experience controlled beam
losses on the 3rd resonance. Lost beam 1 due to interlock BPM in IR6
- 17:30 - 20:30 : Ramp down combo - investigating collimator problem
(won't go to injection settings)
- Overnight : Refill and inject + ramp + squeeze + collapse bumps + Vernier scan
done at the exception of IP8 (and partially in IP2)
|
Report from 09:00 meeting |
| Friday 18th June |
- 05:00 - 14:00 : Beam preparation for TCT setting-up but at 9:00, trip on RB.A78 -
Investigation and recovery -
Collimator sequence tests - Damper checks
- 14:00 - 15:00 : Damper tests with beams at 450 GeV for multi-bunches
- 15:00 - 18:30 : Beam preparation for the next TCT setting up but
beams were dumped at 3.5 TeV, squeeze at 7m due to trip of RB.A78
- 18:30 - 00:00 : Ramp-down combo, access for RB.A78 - Pre-cycling -
Linac RF problem - PS septum problem delaying the beam re-start
- 00:00 - 02:00 : Preparing for optics measurements from injection to
3.5 TeV, squeezed optics.
- 02:00 - 09:00 : Chromaticity measurements during the ramp and beta
beat measurements during the squeeze - exercise collapse of all
separation bumps and bring crossing angle in IP1/5
- NO 17:00 meeting
|
Report from 08:30 meeting |
| Thursday 17th June |
- ~midnight - 4:00 : Controlled longitudinal blow-up, 450 GeV,
multi-bunches
- 4:00-9:00 : Beam preparation for the next collimation setting up at
3.5 TeV, squeeze to 7m
- 9:00 -11:30 : Collimator setting-up at 3.5 TeV, squeeze, 7 m, then
3.5 m, with separation on. Lost beam 1 while moving the collimators and
lost beam 2 due to trip of RSD2.A56B1.
- 11:30 - 13:30 : Ramp-down combo
- 13:30 - 14:30 : Access for FIP communication in UA43
- 14:30 - 17:00 : Recovering from access
- 17:00 - 21:00 : Beam preparation for the next collimation setting up
at 3.5 TeV, squeeze to 7m
- 21:00 - 03:00 TCT collimator setting-up at 3.5 TeV, squeeze, 7m,
then 3.5m, with separation on,TCT setting-up - TCDQ setting-up
- 03:00 - 5:00 : Ramp-down combo - Test run with new collimator
settings during the ramp - squeeze to 3.5 m - TCTs
setting-ups - TCDQ set-up - Qualification 1 if beams survive.
- NO 17:00 meeting
|
Report from 08:30 meeting |
| Wednesday 16th June |
- ~midnight - 6:00 : Inject-Ramp-Squeeze for operational checks
- 7:00-9:00 : access for world FIP repeater problem on 60A correctors
in S78
- 9:00-18:00 : Pre-cycle and beam preparation for the next collimation setting up
- lost beams due to tune feedback - re-doing the whole exercise
- 18:00 -22:00 : collimator setting-up at 3.5 TeV, un-squeezed, with separation
on, 1e11/beam
- Overnight : Controlled longitudinal emittance at 450 GeV,
multi-bunches
- NO 17:00 meeting
|
Report from 08:30 meeting |
| Tuesday 15th June |
- 23:00 - 4:00 : Squeeze commissioning to 3.5 m
- 4:00 - 4:30 : Beta beat measurements at 3.5TeV, 3.5m - Cancelled -
no AC dipole
- 4:30 - 7:00 : Ramp down combo + RF access in UX45
- 7:00 - 11:00 : Controlled longitudinal emittance blow up during the
ramp, 1e11
- 11:00 - 15:00 : Ramp-down combo and preparation for collimator setting-up at 3.5 TeV,
10m, 1e11/beam, separation on
- until midnight : collimator setting-up at 3.5 TeV, unsqueezed, with separation
on, 1e11/beam
- NO 17:00 meeting
|
Report from 08:30 meeting |
| Monday 14th June |
- 12:00 : intervention for the cryogenics system finished
- 12:00 - 18:00 : Pre-cycle, inject, prepare for high bunch intensity studies
- 18:00 - 21:00 : Transverse damper commissioning during the ramp
- 21:00 - 23:00 : Ramp down combo
- THERE WILL BE AN 17:00 MEETING TODAY
|
Report from 08:30 meeting
Report from 17:00 meeting |