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Accelerator Control Startup Program for Increased Efficiency

This startup program includes machine setup, orbit checks, BPM calibration, optics adjustment, efficiency investigations, and dynamic aperture measurements to optimize accelerator performance. It covers multiple aspects including radiation measurements, interlock calibration, and lifetime assessments.

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Accelerator Control Startup Program for Increased Efficiency

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  1. Startup program, 1 • Machine setup (i.e. R:\Controls\matlab\acceleratorcontrol\docs\SRSetupUsingMatlab_ALS.doc) • Bergoz BPM/orbit checks: monbpms, correct orbit, PSD, set averaging, aperture scans?, monrates? • PS checkout: monmags; check that quad shunt is off; magstep?; monrates? • QMS: establish offset orbit and golden orbit (w/ septum bump); include alignment data?; include magnet fiducialization? • LOCO: correct betas and coupling, set BPM gains, check corrector gains • measure xs • orbit interlock calibration & verification & trip speed check • Current interlock check; ACM checks • Radiation measurements (~1 hour for scrapers) • BTS • Fix optics • Investigate efficiency vs. steering (aperture?) • Echotek BPMs • Collect calibration data for Till • Check kicker bump match w/ echoteks • Dynamic aperture/kicker/echotek/scraper calibration • Dynamic aperture vs. frf vs. vertical scraper • Injection efficiency vs. vertical and horizontal scraper • Requires clearing floor? • Injection, lifetime with ny = 6.23, 7.23?, nx = nx+1 • Injection efficiency w/out IDs (should go up w/ dynamic aperture) • BL5 EPU skew gradient correction; skew quad hysteresis? • Measure tune shifts with amplitude w/ and w/out IDs • Measure frequency map: nx,ny(xb,frf) • Lifetime vs. vertical and horizontal scraper (preferably with reasonable vacuum).

  2. Startup program, 2 • Bergoz • BPM filter test • Current dependence measurements • Test tone calibration • High current

  3. Hot issues • If our dynamic aperture is really 18 mm, why do we only get 75% injection efficiency? • Echotek dynamic aperture (14 mm) not= K3 dynamic aperture (18 mm) • Injection efficiency vs. vertical aperture • Lifetime vs. vertical aperture • Injection and lifetime vs. dynamic aperture • BL5 EPU skew correction

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