|
Day
|
Summary
|
Link to report from morning meeting
|
|
Tuesday, 14th June
|
|
08:30 meeting
|
|
Monday, 13th June
|
- 03:22
Beams dumped, collimator interlock
Integrated lumi 42 pb-1
- 05:00
Access for change of power converter
- 07:13
Injecting probe beam - injection steering
- 10:36
Stable beams fill #1866.
Initial lumi 1.1e33
- 10:56
Beam dumped. RF voltage interlock in SIS during cavity switch on.
Integrated lumi 1.3 pb-1
- New
SIS release
- 12:15 Injecting
physics beam
- 13:25 Stable beams fill
#1867. Initial lumi 1.15e33
|
09:00 meeting
|
|
Sunday, 12th June
|
- 00:29
Stable beam fill #1864.
Initial lumi 1.1e33
- 07:17
beam dumped by trip of RD2.L1 Int lumi 23 pb-1 Vacuum valves in due to
valves controls problem. There seems to have been a bus-bar quench
.Cooling problem on the link some time before.
- 11:30
Injecting - some injection steering
·
13:56 Stable beam fill #1865.
Initial lumi 1.1e33
|
09:00 meeting
|
|
Saturday, 11th June
|
- 22:15 SPS back, but
RB.A81 trip due to a bridge cooling problem; access required EPC and CV
piquets
- 00:50 Cycling
- 01:40 Injecting
- 03:40 Stable beams fill
#1863. Initial lumi 1.1e33
- 13:17 Beam dumped due
to cryo conditions MSL1, single event cryo PLC.
Int. lumi 30 pb-1
- Waiting for cryo
conditions and PS to be back
- 15:00 Cryo conditions
back, waiting for PS
- 20:30 PS back. Wait
for EPC and CV piquets access in point 8.
- 21:15 Pre-cycle
- 21:30 Beam back in LHC
|
09:00 meeting
|
|
Friday, 10th June
|
- 00:51 Fill
#1862 Beams lost to inner triplet skew power converter fault
Delivered lumi 33 pb-1
- Access required -
power converter
- Access required - QPS
- 06:00 Pre-cycle
- Access required - beam
dump
- Friday morning -
access - cleaning list before long weekend
- 13:00 Injection -
change LHCB polarity
- 14:35 Start Q''
measurement. Problem with RF frequency program
- 16:30 Problem with SPS
main power supply cooling
- 20:15 Pilot in for Q''
measurement, while waiting for SPS
|
8:30 meeting
Measurement
of filamentation
Wolfgang Hofle
|
|
Thursday, 9th June
|
- 01:09
Stable beams, lumi 1.05e13
- 05:04
Site wide electrical glitch tripped the beam, caught by FMCM
Int. lumi 13.3 pb-1
- QPS
not ok for RB.A56 (new QPS) and RB.A81 (old QPS)
- 07:45
Start pre-cycle
·
09:00 Measuring filamentation
time with and without octupoles, adjust octupole strength
·
11:30 Injecting for physics, Fill
#1862
·
13:40 Stable beams, initial lumi 1.05e33
|
08:30 meeting
|
|
Wednesday, 8th June
|
- 09:22 Fill
#1855. Beams dumped by Alice dipole trip
- BLM problems
- 14:00 Inject for test
ramp longitudinal blow-up
- 15:30 Test ramp dumped
- BPM calibration
problem
- 17:30 Some injection
steering with 12 bunches on B1
- 17:45 Injecting for
physics fill #1858
- 19:00 Luminosities
around 1.1e33, but did not declare yet stable beams
- 19:04 Beam dump fill
#1858 due to Big UFO IP2
- 20:04 Injecting probes
fill #1859
- 21:07 SPS extraction
problem for B1; TI2 power converter problem
- 22:20 SPS back but
problems with IPOC server down – ok after server reset
- 23:14 injecting probes
fill #1859
|
08:30 meeting
PC_Imeas problem
|
|
Tuesdays, 7th June
|
- 07:28
Beam dump due to bad current reading on RTQX2.R1
Fill #1854 42
pb-1 in 15h30min, minus one hour without stable beams
·
09:30 Access for QPS + ...mixed bag of
problems
·
20:15 Injecting for physics
·
22:34 Stable beams. Fill #1855.
Initial lumi 1.0e33
|
08:30 meeting
|
|
Monday, 6th June
|
- 00:31 Beam dump: QPS
trigger on RQTL11.R7B1. Length stable beams: 15h05.
- 07:30 Stable beams. Fill #1854.
- 07:39 PC failure of
RQ6L2. Length stable beams: 00h09.
- 13:15 Beam lost at
injection due to UFO
- 15:56 Stable beams,
lumi’s around 1.1e33 ¨
- 22:30 Adjust for RF
test, switching off one cavity per beam
- 23:41 Stable beams
back
|
08:30
meeting
|