1. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Summary of Magnet Systems Parallel Sessions GianLuca Sabbi LARP Collaboration Meeting 15 SLAC, November 3 rd, 2010 BNL - FNAL - LBNL - SLAC

2. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions MS Parallel Session Organization Tuesday morning: working group meetings (3+3 sessions): 9 (8:30) to 10:30  A1AHQ coil, current designHelene Felice  A1BHQ structuresPaolo Ferracin  A1CMedium term plansGiorgio Ambrosio 10:50 to 12:20  A2AHQ coil, new designHelene Felice  A2BMagnet testingGuram Chlachidze  A2CMaterials Arup Ghosh Tuesday afternoon: WG reports and general discussion Check CM15 agenda in indico for meeting room and remote connection info

3. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Materials WG (A. Ghosh)  Conductor characterization/QA. Protocol for verification of as- delivered strand, cable qualification, coil witness samples.  Cable insulation plan, in particular regarding evaluation and transition to new options  Cables for LHQ (consider two cases, 3.3 m coil length - same as LQ - and 4 m coil length). Assume 2 UL in FY11, 4 in FY12, 4 in FY13. Are current procurements able to sustain production, in addition to LQ/HQ? Can we get a reasonable yield from the conductor inventory, given typical strand piece length? Based on past experience, what yield can we expect taking into account production issues (crossovers, etc)  Confirm cable production schedule for LQ/HQ in FY11, matched to conductor delivery and coil fabrication schedule  Status of cored cable R&D, next steps leading to integration in HQ coil fabrication

4. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Insulation Development

5. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions FY11 Conductor Inventory & Cabling Plan

6. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions HQ Coil WG (H. Felice)

7. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions HQ Coil Design and Fabrication “Clear signs of over compressed coils” Coil sections show Conductors and parts are not where they are supposed to be Increase radial allowance in coil parts

8. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Coil Dimensional Measurements

9. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Mechanical QA – Discrepancy Reporting

10. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions HQ Mirror Structure and Tests All structural parts are available for an HQ mirror. Lower mirror locks are in inspection. Bolt-on structure is assembled. Testing of individual coils can be very helpful for diagnostics Next: qualify structure (mechanical model) and start test program

11. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Mechanical Structure WG (P. Ferracin) Design features and FEA results comparison of the two structures Possible synergies & how to converge on one structure Options/plans for testing two coils in the same structure (to check the performance using half-length coils)

12. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Testing WG (G. Chlachidze) Test requirements for the long HQ magnets: possible facilities and required upgrades Large diameter probes for field quality measurements in short HQ magnets: probe fabrication, anti- cryostat/header modifications, possibility to perform measurements in LHe Magnet protection from shorts/ground faults Electrical QA: status, analysis. Quench Detection

13. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Electrical QA – Hi-Pot (1) Manual stop (2)First Spike at 824 V, manual stop Coil on the table / Magnet, Azimuthal / Magnet, Full Load/TARGET HiPot - Coil 7 (3) IL and OL connected

14. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions -300 V 200 V Electrical QA – Impulse Test Coil 4 - rejected Coil 1 - passed -1000 V 500 V

15. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Electrical QA – Magnet Test

16. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions R&D Planning WG (G. Ambrosio) Integration of LHC magnet programs: LARP, APUL, DS dipole Choice of LHQ length Transition from LARP R&D to HL-LHC construction Discussion topics: APUL/BNL: Test Long coil fabrication facility/resources committed to APUL until summer 2012 Engineering design and tooling fabrication can proceed in the meantime

17. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions DS Dipole Plans at FNAL/CERN Year 1 2D and 3D short single-bore magnet design completed Cable developed and tested coil technology developed and tested collared coil mechanical structure tested single-bore demo short dipole model with simplified collar fabricated and tested long coil tooling design started Year 2 Coil fabrication and collaring technology transferred to CERN collared coil performance and reproducibility tested at FNAL/CERN first 2-in-1 model assembled and tested at CERN first 5.5 m long coil fabricated and tested FNAL long prototype design started Year 3 second 2-in-1 model assembled and tested at CERN Cold mass integration modeled using two 2-in-1 short models first CERN 5.5 m long coil fabricated and tested at FNAL 5.5-m long prototype fab. started two 5.5-m long collared coils fabricated at FNAL and CERN 5.5-m long prototype tested Fermilab; CERN f – fabrication; t - test

18. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions LQ Schedule 2006-2012 Two years from start to coil winding Four years from start to 1 st magnet test Schedule driven by coils (not structure) 1 st coil tested is coil #6 Two labs doing Rect&Impr. Test Start winding

19. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Title Notes: Prelim. LHQ estimate: 6.8M$ Initial FY11 LARP budget: 5M$ Need to correct FY10b* dip FY08 4200 TOTAL 12.2 M 9.4 M

20. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions Observations / Recommendations LQ Schedule and Budget suggest that LHQ goal can be reached in 2014 Schedule for LHQ in 2014 can fit with APUL and 11T dipole assuming all Winding & Curing at BNL and Reaction & Potting at BNL and FNAL Budget envelope and resources are tight  keep LQ length for LHQ building upon test facility upgrades done for LQ Add demonstration of 2-in-1 (axially) to TD —Count on 11T demo (or on same resources if 11T is cancelled)

21. LARP CM15, SLAC, 11/3/2010GianLuca SabbiSummary of MS Parallel Sessions From LARP R&D to HL-LHC Construction Assuming technology decision at the end of 2013 and installation in 2020 3 years for coil fabrication requires 2 production lines of full length coils 64 full length coils required i.e. one new coil completed every ~2 weeks