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DOE Review (LBNL, June 19-20, 2008)

DOE Review (LBNL, June 19-20, 2008). Presented ongoing activities in LARP Magnet Systems Accelerator Systems Program Management Also presented plan for “spinning off” construction project for Phase I (then called “LAUC”) Keep under LARP for FY09, budgeting planning out of LARP budget

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DOE Review (LBNL, June 19-20, 2008)

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  1. DOE Review (LBNL, June 19-20, 2008) • Presented ongoing activities in LARP • Magnet Systems • Accelerator Systems • Program Management • Also presented plan for “spinning off” construction project for Phase I (then called “LAUC”) • Keep under LARP for FY09, budgeting planning out of LARP budget • Would take ~$1M out of $13M scenario • Set up separate project structure in FY10 • Elements • NiTi separation dipoles for Phase I based on RHIC dipoles • HTSC feedboxes • “Magnet Systems Engineering” • 5 rotatable collimators • Laser wire profile monitor for Linac 4 Only piece from LARP E. Prebys – Fermilab LARP meeting

  2. Review feedback • Generally positive reviews on accelerator and magnet effort • All talks including closeout available at “LARP+LAUC Review” https://larpdocs.fnal.gov/LARP-public/DocDB/DisplayMeeting?conferenceid=52 • Recommended proceeding more or less as planned with magnets • Closer interaction with CERN on some accelerator projects • A bit more rocky on the construction project • Unclear how projects were chosen and prioritized • No comfortable operating program under LARP, even for one year • Nevertheless, praised effort to mesh CERN Phase-I schedule with US CD-0,1,2 process. • Recommended setting up a separate structure ASAP • Also strongly recommended a new name. E. Prebys – Fermilab LARP meeting

  3. Meeting with Dennis Kovar (6/23) • Kovar very supportive of LARP • Recommended setting up a separately funded project office for construction project (LAUC-> APL), ie • Still plan for $13M for LARP in FY09 • ~$2.5M additional for APL planning • Scale ~$9M/year for three years • Not out of line with our estimates • Third year might impact LARP • Accordingly, we are currently seeking a project manager • Timescale ~1/09 • Steve Peggs will serve in the interim E. Prebys – Fermilab LARP meeting

  4. Visit to CERN (6/30->7/3) • Mostly to assure Lyn Evans and Enrico Previn about state of Lumi • Embarrassing that delay was discovered at a CERN MAC meeting, rather than being discovered withing LARP • LHC no longer planning on Lumi for 08 run, but rather will use scintillator. • Still depending on Lumi for ’09 because scintillator not rad hard. • Met with Ralph Assmann about collimation • In spite of uncertainty about details of collimation, confident rotating collimators will play some role. • Took part in Lumi beam test at NA • Good news: new preamp worked • Bad news: significant cross-talk from new air-core cable system E. Prebys – Fermilab LARP meeting

  5. Lumi Test (SPS North Area) Detector E. Prebys – Fermilab LARP meeting

  6. Lumi problem • Replaced lossy dielectric with air (actually gas)-core cable. • Ionization in cable induces cross-talk from outer to inner quadrants. E. Prebys – Fermilab LARP meeting

  7. Lumi plans • Lumi hardware being finalized at LBNL • Plan to install all tunnel hardware before beam this year, using existing lumi design • Develop algorithm to correct for cross-talk • Redesign retrofit for cable to eliminate ionization problem • Install before 09 run • Should not be activated during 08 run. E. Prebys – Fermilab LARP meeting

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