FY 18 Shutdown Plan Overview Chris Polly Fermilab

FY 18 Shutdown Plan Overview Chris Polly – Fermilab FY 18 Muon g-2 Shutdown Mini-Review 13 June 2018

Contents • Integrated schedule • Resource estimates – M&S – Engineering Technical FTEs – Critical personnel • FY 19 planning • Charge questions 2 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

FY 18 Shutdown Integrated Schedule 3 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Key event Integrated schedule Experiment Resource Not Available Resource Required First shots to MC-1 Collab Mtg Syst Non MC-1 Resource Partial Resource 50% beam ready 90% beam ready Magnet/ Cryo Mu 2 e Cryo Work Inflector Vacuum Inflector Evaluate angle Quad Partial Ring Install SRV On/Off Install in Chamber Install Chamber Test Remove Old Test Disassemble/ Repair Test Ready Commission/Tune Ext. Test Elec Kicker Bazooka Design Fabricate Feedthrough Design Fabricate Blumlein Disassemble / Clean Infrastructure A 0 Controls Field 4 Abs Cal 6/13/18 PAB Test Go Pro Fab / Trans upgrade Cryo Maint. Out Install Reassemble Experiment Cond Experiment Integrate Experiment Test Integrate Helium Calibration Work @ ANL FY 18 Muon g-2 Shutdown Mini-Review Install Experiment Go Pro Reinstall / test Abs Cal Experiment

FY 18 Shutdown Resources Required 5 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Resource Rollup for FY 18 Summer Shutdown* *19 weeks from now through Oct 31 Activity Alignment FTE*Day Trades FTE*Day M&SCost ($k) Eng FTE*Day Tech FTE*Day 148 128 52 0 5 safety (Kephart review+) 20 115 100 0 15 new inflector installation 20 24 52 10 0 kicker reliability* 135 95 98 0 5 kicker strength* 52 19 38 0 0 quad reliability 5 0 20 20 0 381 360 30 20 required operations (4 mo) Total *does not include $50 k deferred to FY 19 • 6 Critical resources (non-scientific) – Del Allspach, Erik Voirin, Jake Kintner, Jerry Makara, Cary Kendziora – Steve Chappa, Walter Jaskierney, Arnab Ghosh – Howie Pfeffer, Chris Jensen – John Najdzion, Jerry Judd Kellly Hardin, Dean Beckner, Pete Simon, Zani Semovski – Horst Friedsam + alignment crew 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Work anticipated in FY 19 7 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

FY 19 Cryopumps • Over last year we have been executing a plan to add 3 cryopumps – Motivated by trackers releasing H 20 into system • Not as critical now, met spec with N 2 purge and QC in keeping trackers under vacuum or N 2 – Work derailed a bit after a vacuum incident • In principle, completing cryopumps can be deferred to FY 19 – Not needed for low n quadrupole running – Necessary for high n running (mid-year) and improves reliability, e. g. kicker/quad interference seems to improve with better vacuum – Safer/less disruptive to complete in shutdown • The remaining labor is the highest priority item we would pull back into FY 18 – Updated ETC compiled on right • 8 Goal will be to try and work this into schedule at lower priority to injection system upgrades 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Future (FY 2019) Process Systems Task List Future Tasks for Reliable Experiment Operations (Kephart Comm. FMEA action items) • LN 2 supply redundancy plan (avoid magnet warm-up in primary N 2 supply failure – $30 k M&S plus cryogen cost – 20 FTE days Mech. Engr. – 20 FTE days Mech. Tech. • Storage Ring Vacuum Hardware Interlock system (faster vac interlock, inhibit pulsed HV) – – • $10 k M&S 15 FTE days Mech. Engr. Scientist participation to define interlocks 20 FTE days Controls personnel Permanent Helium Purifier for Muon Campus – $300 k M&S for full compressor capacity – 150 FTE days – Engineering, Designers, Technicians, Welding, Machining Process Systems Shutdown Work Summary

FY 19 hall temperature • Temperature control to +/-1 C was one of the foundational improvements at BNL relative to FNAL – Crucial for magnet stability to allow field to be tracked at required precision • Lost control of temperature in May – Grossly underestimated equipment heat load in 2012 – Turns out HVAC heat has not run since we turned on the expt last October – Experts did what they could…turned off all but minimal ODH air exchange, lowered outlet temp 5 C, raised setpoint 2 C 10 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Smaller items to be addressed in FY 19 • RF system (mostly Korea) – Power in hall from FNAL • IBMS 3 (mostly UW) – VME crate from FNAL – Vacuum testing 11 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Charge Questions 12 6/13/18 FY 18 Muon g-2 Shutdown Mini-Review

Charge Q 1: • How does the performance of the experiment in 2018 compare to the design? At the current performance, and assuming 42 -week runs in FY 19 and FY 20, what is the projected experimental sensitivity compared to the 140 ppb design goal? Answers: Statistical: 50 -60% of goal. Systematics: Many proportional to counts Combined: ~180 ppb CAUTION: At “present” performance, E field and Magnetic Field folding will have larger than design systematics, making it difficult to predict 13 June 13, 2018 Muon g-2 Shutdown Mini-Review

Charge #2 • What are the priorities of the experiment for the shutdown, 1. Kicker improvements 2. Quad reliability 3. Install new Inflector • and what are the consequences if specific tasks are not carried out during summer 2018 shutdown? 1. 2. 3. If not Kicker: downtime to failures; large systematic errors, reduced flux If not Quads: downtime to sparks; limitation on Tune Values; loss of systematic range; lower flux If not Inflector: lower muon storage rate (40%), no “angle” • What is the expected effect of the planned improvements on the experimental sensitivity? – We will meet the experimental design goals in the projected FY 19 and FY 20 running periods as planned 14 June 13, 2018 Muon g-2 Shutdown Mini-Review

Charge #3 • Has a detailed task list and work plan for the shutdown been developed? – Technically driven schedules funneled through RCs – Takes into account 3 main activities and magnet operation and known constraints from power and cooling water outages • What are the technical and schedule risks associated with each task? – We have developed a schedule that minimizes the risks and contains some contingency – Biggest schedule risk is Inflector, if new one fails and we have to reinstall old – Global risk is delay in startup of experiment with beam • Have the required resources (both Fermilab and the rest of the collaboration) to perform and manage the work been identified and secured? What is the expected M&S cost of each task? – Yes, identified; You are helping us secure the resources – Summarized in individual technical talks – Shutdown coordination • Scheduling/resources: Peter Winter 50% + ? • Technical: Jarek Kaspar 15 June 13, 2018 Muon g-2 Shutdown Mini-Review

Charge Q 4: • If options for work to be performed still exist, what is the process to make these choices and when will they be made? – Each of the 3 areas has an assemble Technical Team, with coordination by RCs and Spokes. These teams meet regularly, subject to individual need. – Plans have been made for all three (as presented). • In particular, what options are still under consideration for the kicker repairs, – Kicker repairs for Summer Shutdown are assuming a conventional approach addressing known weaknesses from failed components and PS charging time limitation. These both have limited HV maximum and reliability – Longer term issues will be developed using a Test Stand with “ 4 th kicker” setup. Here we aim an improved impedance matching for kicker pulse shape • and has a decision been made on the installation of the new inflector? – Yes, a unanimous Collaboration decision has been made to install the New Inflector. It has been a long term goal since more than 10 years. 16 June 13, 2018 Muon g-2 Shutdown Mini-Review

Charge Q 5: • What work is required to complete the recommendations from the Kephart review? – – – 17 Install and Commission Local PLC in Compressor House Implement redundant communications between MC-1 and A 0 Suction low pressure interlocks Compressor Trip Cryo Response to prevent magnet quench (includes He tube trailer) All major procurements already obligated ~ Remaining M&S ~$30 k • $10 k fill He tube trailer • $20 k misc. June 13, 2018 Muon g-2 Shutdown Mini-Review