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MPP Actions list
Action ID Done Deadline Meeting Description Responsible
1 MPP-92 Review protection limit of inner triplet (80K) with realistic impact distributions LHC
  • COLLIMATION
  • MPP
9 MPP-124 Confirm number of extra bunches the IP7 collimators can take during a type 2 erratic and if this causes a problem LHC
  • R. Bruce
13 MPP-137 Organise a circulating checklist with points to be followed up between the CC team and MPP; iterate during a coffee discussion early January LHC
  • CC team
  • MPP
16 MPP-143 BLM inhibit in case of too high transverse losses with injection: propose commissioning test to verify functionality LHC
  • BE-BI
  • TE-ABT
18 MPP-146 Study the feasibility of a variable window for PC interlocking LHC
  • TE-EPC
19 MPP-149 Review other failure cases for RD1 and estimate the associated FMCM signals LHC
  • TE-MPE-PE
20 special-mpp Investigate whether it is needed to implement a smoother change of the tolerance during squeeze instead of going from 4 to 1 sigmas at the end LHC
  • BE-OP
  • COLLIMATION
22 MPP-151 Summarize planned changes in the BLMs around the TDEs in an ECR LHC
  • TE-ABT
  • BE-BI
33 MPP-169 Request functionality to open up excitation window of ADT and prepare OP sequence for scraping the full LHC beam LHC
  • D. Valuch
  • MPP
34 MPP-169 Test steps of the emergency dump procedure related to the LBDS after TS2 LHC
  • M. Solfaroli
  • N. Magnin
53 MPP-185 Analyse if a limit in the number of consecutive dumps or a minimum time between the dumps is required for Run3 operation LHC
  • M. Calviani
  • EN-STI
  • C. Bracco
  • TE-ABT
54 MPP-187 Investigate the implementation of a SIS based interlock of the integrated intensity of consecutive bunches. Define the maximum number of bunches that have to be taken into account for averaging the bunch intensity LHC
  • MPP
  • J. Wenninger
  • BE-OP
55 MPP-187 Based on first operational experience after LS2, review the steering procedure and evaluate the possibility of steering with full trains LHC
  • C. Bracco
  • TE-ABT
56 MPP-187 Study the effect of the modified MKB waveforms on the flashover failure scenario LHC
  • Y. Dutheil
  • TE-ABT
  • A. Lechner
  • EN-STI
59 MPP-191 AC-dipole operation with three bunches: Check the interlocking with triplet BLM for 1 pilot and for 3 pilots LHC
  • OMC
  • L. Malina
  • R. Tomas
  • COLLIMATION
60 MPP-191 iBPMs layout in Run3: Discussion on iBPM firmware and possible failure cases LHC
  • A. Boccardi
61 MPP-191 iBPMs layout in Run3: Propose criteria for iBPM validation before switching to the new system (performance / specifications / reliability criteria) LHC
  • A. Boccardi
62 MPP-191 IQC application and future development: Discuss the use cases and give inputs for the FESA/firmware preparation for the new dBLM readout electronics LHC
  • J. Wenninger
  • E. Calvo
63 MPP-191 IQC application and future development: Add an update of the IQC settings for abort gap keeper settings changes LHC
  • TE-ABT
  • BE-OP
96 MPP-193 Update expected energy deposition based on the newest FLUKA studies for the case of an asynchronous beam dump and an injection error for the relevant collimator materials LHC
  • F. Carra
  • A. Lechner
97 MPP-193 Reassess the temperature load on the BPMs in both TCSP jaws in case of an asynchronous beam dump considering the worst-case (type 2) erratic LHC
  • F. Carra
  • A. Lechner
104 MPP-193 Evaluate the potential gain and feasibility of evaluating the beam orbit at the collimator BPMs before starting the ramp-up of the BBLR wire current and issuing a warning if required LHC
  • G. Sterbini
  • S. Radaelli
  • J. Wenninger
106 MPP-195 Produce commissioning procedure for the crystals LHC
  • COLLIMATION
107 MPP-195 Produce detailed operational scenarios and required validation for the use of the crystals LHC
  • COLLIMATION
108 MPP-195 Check orbit at the crystal during injection failure LHC
  • COLLIMATION
109 MPP-195 Circulate a list of expected redundancies for run III LHC
  • COLLIMATION
  • R. Bruce
110 MPP-195 Determine a strategy for P8 LHC
  • COLLIMATION
  • R. Bruce
111 MPP-195 Study the option of using the space in UJ76 during Run III LHC
  • M. Gasior
  • T. Levens
112 MPP-196 Verify the maximum allowed XRP temperature with TE-VSC, taking into account outgassing and the temperature of the ferrites LHC
  • M. Trzebinski
129 MPP-198 LHCb velo motion system: Prepare a specifications document for the motion control, failures and interlocks LHC
  • X. Pons
130 MPP-198 LHCb velo motion system: Evaluate if a warning could be produced if the VELO alignment algorithm attempts to move one side beyond the 0 mm point LHC
  • V. Coco
131 MPP-198 LHCb velo motion system: Prepare a detailed procedure for manual movement and perform the procedure in full when the detector is installed with active control system to monitor the movement and avoid damage to the limit switches LHC
  • F. Sanders
  • V. Coco
132 MPP-198 LHCb velo motion system: Implement signal from limit switches to the VSS LHC
  • X. Pons
139 MPP-206 Add commissioning of blindable BLMs to the injection procedure LHC
  • Y. Dutheil
140 MPP-207 Check if energy extraction switches opening signal sent from SIS is correctly received by the CIRCUIT SCADA LHC
  • J. Wenninger
  • A. Antoine
141 MPP-207 Check if the Beta* and energy gap interlock functionality is implemented in the TCDIs LHC
  • Y. Dutheil
142 MPP-207 Evaluate feasibility of implementing interlock based on the correct transfer line optics ID generated by SIS LHC
  • J. Wenninger
144 MPP-207 Evaluate feasibility of porting UFO Buster data acquisition from SDDS files to Post Mortem LHC
  • A. Lechner
  • J.C. Garnier
  • C. Zamantzas
145 MPP-207 Decide if a filter on the signal of the BLMs behind the dumps is needed to avoid saturation LHC
  • C. Wiesner
  • A. Lechner
  • Y. Dutheil
149 MPP-209 Discuss the handling of the redundant energy and beta* limits and propose possible improvements LHC
  • COLLIMATION
  • BE-OP
153 MPP-217 Include BPF tests in the SMP IPOC procedure LHC
  • R. Secondo
154 MPP-217 Update SMP procedure and add that the BPF checks after each injection are done implicitly by the BIS LHC
  • R. Secondo
161 MPP-214 Update the BLM machine protection commissioning procedure with tests to ensure that the “beam info” bypass devices are removed prior to operation LHC
  • B. Salvachua
  • C. Zamantzas
167 MPP-211 Propose a proper timeline for a possible replacement scenario LHC
  • F. Sanders
170 MPP-211 Implement the proposed operational limits for the ADT excitation LHC
  • D. Valuch
175 MPP-220 Implement the publication through FESA of the additional signals (threshold values and measured value) and update the EDMS document LHC
  • M. Di Castro
176 MPP-220 Provide the list of disabled BIS channels to the MPP and inform the MPP once the channels are enabled again LHC
  • C. Martin
177 MPP-220 Analyze the changes to be made in the test procedure and study the consequences LHC
  • L. Roy
  • MPP
179 MPP-229 Prepare detailed specifications for the interlocks, including the FRAS key in CCR and the newly discussed “FRAS powering interlock” to a maskable input of the CIBUs in IR1 and 5 LHC
  • FRAS
  • MPP
180 MPP-229 By the end of the year inputs for potential additional interlocks or hardware stops for the protections of components in the FRAS must be provided by the relevant teams and collected for the FRAS specifications LHC
  • F.-X. Nury
182 MPP-226 Follow-up on the RBAC protection of the settings of machine protection equipment LHC
  • MPP
183 MPP-224 Define and organize a test with beam to confirm that the beam is not affected in case of an abort of the wire power converter during the timeframe of the interlock reaction time of the WIC and BIS LHC
  • BE-OP
  • BE-ABP
185 MPP-224 Install a BLM close to the BSRTMB in IR4 during the YETS LHC
  • B. Salvachua
187 MPP-223 Follow-up on the protection of settings for the SPS MKE phasing and discuss the potential impact of rolling back with LSA tags on other critical settings LHC
  • MPP
  • BE-OP
192 MPP-222 Check the aperture limits of the new BSRTM device are in accordance with Run3 parameters LHC
  • D. Mirarchi
  • R. De Maria
193 MPP-231 Draft ECR on the proposed DC-BCT and SMP changes for the SPS LHC
  • T. Levens
  • R. Secondo