| TE-MSC |
Report back with an update on the triplet lifetime radiation studies. |
✔ |
LHC Machine Committee (LMC #439) |
LHC Machine Committee (LMC #449) |
84
|
| Collimation team |
Report back on the aperture implications of the 15 mm “open” set-point of the LHCb Velo. |
✔ |
LHC Machine Committee (LMC #438) |
LHC Machine Committee (LMC #439) |
80
|
| TE-CRG, BE-ICS, SY-RF, BE-OP |
Discuss on the grounding necessity, and whether it should be performed on May 9-11. |
✔ |
LHC Machine Committee (LMC #438) |
LHC Machine Committee (LMC #440) |
81
|
| LMC Chairs |
Follow-up on the strategy for UPS batteries containing non flame-retardant monoblocs used elsewhere at CERN. |
✔ |
LHC Machine Committee (LMC #437) |
LHC Machine Committee (LMC #438) |
78
|
| ATS groups |
All groups to submit and clean-up PLAN activities. |
✔ |
LHC Machine Committee (LMC #437) |
LHC Machine Committee (LMC #438) |
79
|
| SY-RF |
Report back on progress at the next LMC on April, 13th. |
✔ |
LHC Machine Committee (LMC #436) |
LHC Machine Committee (LMC #437) |
75
|
| LHCb collaboration |
Report back on the LHCb VeLo status and installation plan at the next LMC on April, 13th. |
✔ |
LHC Machine Committee (LMC #436) |
LHC Machine Committee (LMC #437) |
76
|
| BE-OP |
Circulate to the LMC members a machine status by April, 6𝑡ℎ reporting on progress with the machine checkout and the LHC RF recovery, and providing an update to the schedule. |
✔ |
LHC Machine Committee (LMC #436) |
LHC Machine Committee (LMC #437) |
77
|
| ATS groups |
Provide all cabling request for YETS 2022/23 to EN-EL by May 13𝑡ℎ, 2022. |
✔ |
LHC Machine Committee (LMC #435) |
LHC Machine Committee (LMC #436) |
73
|
| TREX |
Verify temperature monitoring procedures and intensity limits during the beam commissioning phase in the present LHCb configuration without the VeLo Side A. |
✔ |
LHC Machine Committee (LMC #435) |
LHC Machine Committee (LMC #440) |
74
|
| Run 3 Coordinators |
Update baseline Run 3 LHC schedule and LS3 overview. |
✔ |
LHC Machine Committee (LMC #434) |
LHC Machine Committee (LMC #437) |
70
|
| LMC Chairs |
Creation of a LHC triplet lifetime task force. |
✔ |
LHC Machine Committee (LMC #434) |
LHC Machine Committee (LMC #449) |
71
|
| MPP |
Followup of the MP implications of luminosity levelling, and report back on the results to the LMC. |
✔ |
LHC Machine Committee (LMC #434) |
LHC Machine Committee (LMC #443) |
72
|
| TE-MSC |
Report on the inspection of diodes of the spare magnets in the FLEX building. |
✔ |
LHC Machine Committee (LMC #424) |
LHC Machine Committee (LMC #451) |
43
|
| HWC team |
Following the RQTL7.R3.B1/B2 non-conformity, investigate possible improvements to the Hardware Commissioning procedure to allow the detection of similar problems in the future. |
✔ |
LHC Machine Committee (LMC #427) |
LHC Machine Committee (LMC #454) |
49
|
| TE-MPE |
Following the RQTL7.R3.B1/B2 non-conformity, put in place improvements to the NC follow-up procedure to avoid such issues in the future. |
✔ |
LHC Machine Committee (LMC #427) |
LHC Machine Committee (LMC #454) |
50
|
| ATS management |
Define the strategy to address the QQBI.21L3 PIM non-conformity. |
✔ |
LHC Machine Committee (LMC #427) |
LHC Machine Committee (LMC #428) |
51
|
| SY-EPC, EN-ACE |
Define the applicability of ARRs to power converter exchanges. |
✔ |
LHC Machine Committee (LMC #427) |
LHC Machine Committee (LMC #454) |
52
|
| EN-ACE |
Circulate the ARR documents for comments and eventual approval. |
✔ |
LHC Machine Committee (LMC #427) |
LHC Machine Committee (LMC #454) |
53
|
| TE-VSC, BE-ABP |
Investigate any anomalous loss patterns from the Pilot Beam Test to possibly identify similar issues elsewhere than 21L3. |
✔ |
LHC Machine Committee (LMC #428) |
LHC Machine Committee (LMC #429) |
54
|
| MP3 |
Report back in due time on the quench training analysis. |
✔ |
LHC Machine Committee (LMC #414) |
LHC Machine Committee (LMC #422) |
14
|
| TE-VSC, EN-ACE |
Follow-up of the proposed mitigation measures to minimize the risk of accidental venting of the LHC vacuum sub-sectors. |
✔ |
LHC Machine Committee (LMC #412) |
LHC Machine Committee (LMC #470) |
8
|
| BE-ICS, EN-ACE |
Define with the concerned groups a plan for the interventions and mitigations of the Schneider M580 PLC issues - after the LHC schedule is updated at the discussion with the experiments on March 15th. |
✔ |
LHC Machine Committee (LMC #412) |
LHC Machine Committee (LMC #425) |
9
|
| BE-ABP |
Confirm nominal current for RQ6.R2. |
✔ |
LHC Machine Committee (LMC #426) |
LHC Machine Committee (LMC #427) |
46
|
| BE-CEM, BE-OP, LHC CSAP, HSE-RP |
Revisit the safety procedures of the BLM validation campaign in view of autonomous TIM operation. |
✖ |
LHC Machine Committee (LMC #426) |
|
47
|
| SY-STI |
Update the LMC on progress with the TDE related findings in March 2022. |
✔ |
LHC Machine Committee (LMC #426) |
LHC Machine Committee (LMC #435) |
48
|
| SY-STI, BE-CEM |
Report back on the B1V and B2V goniometer post-mortem tests. |
✔ |
LHC Machine Committee (LMC #413) |
|
6
|
| LBOC |
Report back - before June 7th 2021 - on the updated Pilot Beam Test schedule. |
✔ |
LHC Machine Committee (LMC #413) |
LHC Machine Committee (LMC #416) |
7
|
| TE-VSC |
Report the results of the measurements in the cryogenic SEY/XPS setup when available. |
✔ |
LHC Machine Committee (LMC #411) |
LHC Machine Committee (LMC #444) |
10
|
| BE-ABP, BE-GM, EN-ACE, TE-MSC |
Follow-up of the 11L4 misalignment in Sector 34 and its potential impact on the machine aperture. |
✔ |
LHC Machine Committee (LMC #409) |
LHC Machine Committee (LMC #410) |
12
|
| BE-ICS |
Report back on cryo PLCs related problems |
✔ |
LHC Machine Committee (LMC #409) |
LHC Machine Committee (LMC #412) |
13
|
| BE-ICS |
Update report of the M580 PLC failure rate in 6 months time. |
✖ |
LHC Machine Committee (LMC #425) |
|
44
|
| SY-BI |
Update on the progress of the BLM testing campaign by December 2021. |
✔ |
LHC Machine Committee (LMC #425) |
LHC Machine Committee (LMC #430) |
45
|
| EN-ACE, BE-OP |
Update the LS2 and YETS schedules to be consistent with the 6.8 TeV energy target. |
✔ |
LHC Machine Committee (LMC #419) |
LHC Machine Committee (LMC #421) |
27
|
| MPP, LBOC |
Follow-up of the luminosity levelling strategy in 2022 and its staging by taking into account operational and Machine Protection constraints. |
✔ |
LHC Machine Committee (LMC #419) |
LHC Machine Committee (LMC #443) |
28
|
| TE-MSC |
Update the estimated peak dose limits of the inner triplet and correctors magnets. |
✔ |
LHC Machine Committee (LMC #419) |
LHC Machine Committee (LMC #449) |
29
|
| BE-ABP |
Analysis of degraded performance scenarios in case of triplet corrector failures. |
✔ |
LHC Machine Committee (LMC #419) |
LHC Machine Committee (LMC #449) |
30
|
| MP3 |
Report back on the autopsy of the faulty diode in MB.A23R2. |
✔ |
LHC Machine Committee (LMC #418) |
LHC Machine Committee (LMC #424) |
23
|
| MP3 |
Report back on observations on flattop quenches during the Sector 45 plateau test. |
✔ |
LHC Machine Committee (LMC #418) |
LHC Machine Committee (LMC #422) |
24
|
| IT Management, BE Management |
Review with the relevant BE and IT teams the technical, planning and resource constraints for the deployment of Option 4. |
✔ |
LHC Machine Committee (LMC #418) |
LHC Machine Committee (LMC #442) |
25
|