Latest Updates in Research and Development Sectors
Quantum computing measurement progress in SRF Sector, Magnet Sector developments for HL-LHC, and updates on Cryogenic Sector procurements and installations. Noteworthy achievements include breakthroughs in cavity preparations, successful tests, and ongoing coil fabrication. Stay updated with the latest advancements in the field.
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TD Operations Status Ben Hansen All Experimenters and Laboratory Status Meeting April 30, 2018
SRF Sector R&D Quantum computing measurement continues. 5 GHz single-cell performed very well. High Q0 high gradient: Nitrogen infusion program. A breakthrough has been achieved on a 1-cell cavity, 39 MV/m with Q0 > 2e10. This will have a big impact on a potential ILC machine. Nb3Sn group continues cavity preparation and coating. Additional cavity coating is in progress. High field Q slope: HF rinsing study is in progress Plasma processing continues. Nb/Cu vacuum chamber installation is in progress. LCLS-II CM03 dis-assembly was completed. Rebuild started as a filler job between cryomodules. CM02, CM04 CM05 and CM07 beam line were back filled and warm end coupler were dis-assembled. They are ready for extraction and repair BPM. Actual repair is pending for approval. CM06 autopsy showed the failure was not only BPM vacuum, but also two coupler bellows cracked during the shipping. Will be removed and analyzed to determine failure mode. JLAB CM7 was transport tested last weekend. Vibration sensor was mounted on a coupler location. Shipping data is being analyzed. CM08 BPM repair was completed and passed leak check. Lower shield will be welded and proceed to WS4 CM09 tests at CMTF test cave were completed. Warm-up is completed. CM10 is in WS3. BPM fix is on hold before thermal shield weldment. CM11 WS2 is finished, it is waiting for support stand to clear on CM08 and CN06. CM12 WS0 completed. Lolli-pop support is available from CM11. WS1 started this week. CM13 cavities were identified PIP-II Spoke Cavity S107 had a successful test at STC. Lab-2 HPR was validated. LARP One RF deflecting cavity was prepared and ready to test 2 4/30/2018 TD Summary
Magnet Sector HL- LHC, AUP Coil QXFA108 was moved for vacuum impregnation. Coil QXFA109 reaction cycle will begin this week. Manufacturing & Inspection Plan approved by CERN MQXFS1d short model test is in progress. The magnet exceeded both the nominal and the ultimate (~108% of the nominal) currents. LCLS II SPQA129 was return to the vendor for repair: inadequately bonded heat-sinks. SPQA130 passed incoming inspection and is available for cold-testing this week. Mu2e The first Test Solenoid (TS) production module has been sent to HAB to complete the room temperature tests and is being prepared for mounting to a HAB dish-head (Head-A). The second dish-head (Head-B) was tested to full current with the leads shorted together. The second TS production module is expected in the middle of June The Detector Solenoid (DS) vendor (General Atomics) provided a schedule for work leading up to the DS production readiness review. Schedule for winding the DS1 coil was moved up to the week of April 30th. Cold-testing of the model coil is still scheduled for week of May 14 followed by long insertion test. G-2 Winding of the inner and outer coils for the new g-2 inflector is complete. The case and other surrounding hardware is being prepared for assembly and vacuum impregnation. MDP 15-17 T dipole R&D 15T dipole coil fabrication in progress. The second outer coil preparation to reaction continues. The inner coil preparation to impregnation continues. Accelerator Support Winding of a replacement coil for the leaking MDCC has resumed. SDG001 magnetic field mapping scans completed EDWA Installation for measurements completed 3 4/30/2018 TD Summary
Cryogenic Sector LCLS-II Procurements Distribution Boxes Fabrication continues at vendor, delivery expected in June. Surface Transfer Line Procurement Delivery expected in July Factory Acceptance Testing on May 23-24th Providing SLAC with guidance on installation activities for tunnel components Final welding in tunnel commencing DOE review schedule for May 8-10 at SLAC Mu2e Procurement Distribution Box Fabrication in progress, delivery expected in May/June Feed Boxes Contract in process of awarding contract HL-LHC AUP Began EVMS practice reporting this month. Working on Stand 4 upgrade tasks. Waiting for final docs from CERN. Meson Controls Upgrade Project is underway in parallel with existing controls, preparing for system shutdown in June to switch system over Possibility that shutdown is delayed due to the need for extended cavity testing (awaiting confirmation and schedule) PIP-II Activities and Procurement External Cave Transfer Line fabrication in progress (in-house), final tie-in piece in fabrication, all others complete PIP-II Cave Transfer Line procurement, delivery expected in June Factory Acceptance Testing week of May 21 Field installation at CMTF have begun with the external cave TL segments and supports Sub-Kelvin Cryogenics SuperCDMS Snolab Operations review schedule for June 19 in Germantown, internal E-Tank review on May 18 ADMX Procurement issues with vendor ongoing (several iterations with DOE on legal waiver regarding procurement liability) verbally committed to expediting the delivery as much as possible to avoid schedule slippage Nexus Cryogenic review (5032) documents expected in a few weeks Facilities: Meson Detector Building: STC 2 x Spoke cavities tested, HTS warm, HTSC warm, swapping magnets. Cryomodule Test Facility: Plant under repair, LCLS-II F1.3-09 disconnection in progress Industrial Building 1: VTS stands: One single cell 1.3 GHz and one 5 GHz cavities were tested as part of Fermilab R&D efforts; VMTF - MQXFS1d completed 13 training quenches; Muon Campus: Supporting g-2 operation Heavy Assembly Building: Test of cryostat Head B ongoing 4 4/30/2018 TD Summary
Cryogenic Sector CMTF Cryogenic Plant Repair Update Piping modifications and pressure test complete. Internal electrical and instrumentation nearing completion Vacuum shell will be reinstalled Thursday Pumpdown insulating vacuum over weekend Final leak check next week System purification and scrubbing next week External electrical and instrumentation next week Controls program updates in progress Plant cooldown anticipated week of May 14 CM8 anticipated end of May at the earliest 5 4/30/2018 TD Summary
