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SY120/MTest Beam Upgrades Rick Coleman AEM 10 March, 2008

SY120/MTest Beam Upgrades Rick Coleman AEM 10 March, 2008. Switchyard 120 Project. Switchyard 120 project. Phase I low intensity beams to Meson - Completed 2002 connection to Main Injector & 800 GeV SY replace cryo. left bends encl C with conventional magnets

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SY120/MTest Beam Upgrades Rick Coleman AEM 10 March, 2008

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  1. SY120/MTest Beam UpgradesRick ColemanAEM10 March, 2008

  2. Switchyard 120 Project

  3. Switchyard 120 project • Phase I low intensity beams to Meson- Completed 2002 • connection to Main Injector & 800 GeV SY • replace cryo. left bends encl C with conventional magnets • Phase II clean transmission for High Intensity - Not Done • -add quads F2, F3 manholes • -move electrostatic septa from F1 encl. to M01 enclosure • -rework M01 3-way split • -rework (eliminate) “Meson Train” target box/collimators

  4. MTest Beam Layout and Modes Movable downstream 30cm target location Movable upstream 25 cm Al target Meson Test Beam Facility Mtest secondary beamline Proton Mode: 120 GeV protons transmitted through upstream target Pion Mode: 8-66 GeV beam tuned for secondaries from upstream target Low Energy Pion Mode: 1-32 GeV beam tuned for secondaries from downstream target Feb 2007

  5. Adding a quad doublet to Switchyard F3 Manhole

  6. F3 Manhole Quad Installation

  7. F3 Manhole Quad Installed Special Thanks to: AD/Mech(Mike Petkus, Chris Ader, Willie Stitts, Paul Gentry, Cliff Foster, John Featherstone, Bob Albrecht, Bob Slazyk), AD/EE(Julius Lentz, Bryan Falconer ) PPD/Alignment, PPD/Mechanical Installation

  8. Improvement with new F3 quads Before MT4/F1 ~40% After MT4/F1 ~80%

  9. More Spill Options Currently operating with a 4 second long slow spill once per minute (6 sec. total, 12 hours/day or 5%) We have in the past changed from 4 sec to 1 sec, but done manually it required a handful of experts one or more shifts • 4 sec or 1 sec Slow spill length change automated- Operations changes event type and few parameters (Denton Morris, Dave Capista, Wally Kissel, Paul Allcorn, Peter Prieto, Charlie Briegel, Chuck Brown) • “Pings” 2ms width slow resonant, ~5 pings per pulse

  10. Changes to Main Injector QXR for Pings Peter Prieto • Added an external 150V 15A Power supply for Pings. • Switch added in QXR Regulator so it can add Ping current on during spill. • Controls hardware added so Ping events ($33) through TCLK. Up to 8 events per spill. • MI-30 test that QXR can extracts beam with a 1 sec cycle and a 4 sec cycle and Pings can be generated during either one. 50 amps with a 2ms duration Need to test QXR driver software and then ready for beam test.

  11. Backup Slides MILESTONE: SWITCHYARD OPERATES REFRIGERATOR L-R, R. Andrews, J. McCarthy, J. Appel discuss expansion engine operation June 1978

  12. MTest Detectors TOF PWC Swic Cerenkov

  13. Rates* without lead scatterer Rates* with lead scatterer *Rates here are normalized to 1E11 at MW1SEM **Measured at exit of facility with PbG calorimeter

  14. Many thanks to Accelerator Division for their efforts Peter Prieto in front of pulsing circuit for QXR QXR quadrupole in Main Injector Fast pulse performance in Tevatron - 1997

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