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Proton Driver Project Development, Tactics & Strategy

Explore the latest developments and strategies of Fermilab's Proton Driver project, focusing on technical advancements and future plans. Discussion of synchrotron, SCRF linac, and collaborations.

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Proton Driver Project Development, Tactics & Strategy

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  1. Proton DriverProject Development,Tactics & Strategy G. W. Foster Fermilab User’s Meeting June 3, 2004 G.W.Foster - Proton Driver

  2. This is supposed to be a non-technical talk … I’ll do my best…. G.W.Foster - Proton Driver

  3. Some Developments • 1st Round of PD Design Studies Completed • PD Recommendation by FLRPC • New Design Iteration Started • Goal: CD-0 Documentation by End of ’04 • Both Synchrotron and SCRF Linac (emphasized) • US SCRF Collaboration enthusiasm for PD • ITRP Decision Pending G.W.Foster - Proton Driver

  4. Proton Driver Synchrotron & Linac • SYNCHROTRON • Sited West of the existing booster • Re-uses existing linac enclosure • 8 GeV LINAC • Baseline Site injects at MI-30 straight section • Others possible G.W.Foster - Proton Driver

  5. Q: WHAT IS THE SIGNIFICANCE OF THIS NUMBER ? A: this is the number of vacuum tubes required to accelerate beams to 8 GeV in Fermilab’s current Proton Source. 451 G.W.Foster - Proton Driver

  6. 8 GeV Superconducting Linac • New idea incorporating concepts from both the Spallation Neutron Source (SNS) and TESLA. • Copy SNS Linac design up to 1.3 GeV • Use “TESLA” Cryomodules from 1.3 -8 GeV • H- Injection at 8 GeV in Main Injector ==> “Super-Beams” in Fermilab Main Injector: • 2 MW Beam power at BOTH 8 GeV and 120 GeV • Small emittances ==> Small losses in Main Injector • Minimum (1.5 sec) cycle time • MI Beam Power Independent of Beam Energy ==> (flexible neutrino program) G.W.Foster - Proton Driver

  7. 8 GeV Superconducting LinacWith X-Ray FEL, 8 GeV Neutrino & Spallation Sources, LC and Neutrino Factory Neutrino “Super- Beams” SY-120 Fixed-Target Damping Rings for TESLA @ FNAL With 8 GeV e+ Preacc. NUMI Off- Axis X-RAY FEL LAB 8 GeV neutrino 8 GeV Linac ~ 700m Active Length 1% LC Systems Test Main Injector @2 MW Bunching Ring Target and Muon Cooling Channel Recirculating Linac for Neutrino Factory Neutrino Target & Long-Pulse Spallation Source Short Baseline Detector Array VLHC at Fermilab Neutrinos to “Homestake” Anti- Proton G.W.Foster - Proton Driver

  8. 8 GeV SC Linac Proton Driver • A Bridge Program to the Linear Collider • Near Term Physics Program (neutrinos+) • Multiple HEP Destinations & Off-Ramps • A seed project for Industrial Participation 50 cryomodules, 12 RF stations, ~1.5% of LC G.W.Foster - Proton Driver

  9. New Proton Driver Charge Letter G.W.Foster - Proton Driver

  10. Proton Driver Charge (machine) • Goal: CD-0 Documentation by End of ’04 • Both Synchrotron and SCRF Linac (emphasized) • Common Performance Specs and Cost Basis • External Review of Accelerator Physics • Investigation of Outside Collaboration G.W.Foster - Proton Driver

  11. PD Work in Progress … • Weekly meetings in specific technical areas (four) • Visits from experts • Prototype key components • Develop Collaborations G.W.Foster - Proton Driver

  12. Linac Technical Strategy • TESLA compatible frequency chosen • Prototypes & vendors exist for 7/8 of linac • Complete overlap with LC test facility • Staging Stand-Alone Linac Beam Power • Cut Klystron count from 42  12 • Preserve 2 MW beam power in MI • Adopt “Pulsed RIA” SCRF front end G.W.Foster - Proton Driver

  13. Cost Driver: Klystrons per GeV G.W.Foster - Proton Driver

  14. 0.5 MW with TESLA Frequencies & SCRF F.E. G.W.Foster - Proton Driver

  15. COLLABORATION • Will be key to the success of • the SCRF Proton Driver • the LC test facility … and can speed up both if they are the same project. G.W.Foster - Proton Driver

  16. G.W.Foster - Proton Driver

  17. JHF 325 MHz RFQ and Klystrons for TESLA-Compatible* Front End JHF 325 MHz RF Quad JHF 325 MHz 3 MW Klystron * TESLA frequency = 1300 MHz = 4*325 MHz G.W.Foster - Proton Driver

  18. LANL (APT) ANL (RIA) G.W.Foster - Proton Driver

  19. End-to-End Beam Physicsof TESLA-Compatible Linac(P. Ostroumov, ANL) G.W.Foster - Proton Driver

  20. 8 GeV Superconducting LinacTECHNICAL SUBSYSTEM DESIGNS EXIST AND WORK FNAL/TTF Modulators SNS Cavites (JLAB) “TTF Style” Cryomodules Civil Const. Based on FMI TESLA RF Distribution * w/ phase shifters G.W.Foster - Proton Driver

  21. Advanced RF Distribution(Coaxial Phase Shifter Option) RF FROM KLYSTRON DIRECTIONAL COUPLER (POWER SPLIT) CIRCULATOR AND LOAD COAXIAL FERRITE STUB TUNER AND WAVEGUIDE TRANSITION / E MAGIC TEE AND CAVITY RF POWER COUPLER YET! G.W.Foster - Proton Driver

  22. THE NEXT STEP • There is a 100% overlap in the plans for the next step of the SCRF Proton Driver and the SCRF Linear Collider: Set up 1 GeV of TESLA linac • At Fermilab • With as many US-built components as possible G.W.Foster - Proton Driver

  23. Fermilab’s Assets M-East And M-P Beamlines MESON AREA CRYOGENICS • Cryogenics • Beamlines • Near-term project: SCRF Proton Driver MESON CRYO PLANT TRANSFER LINES Immediate Support for (1) TESLA RF Station and (4) TESLA Cryomodules G.W.Foster - Proton Driver

  24. Recognize the Handwriting? cryomodules time Helen Edwards G.W.Foster - Proton Driver

  25. Final Questions • Is the LC / PD decision point 2008? • Impact of LC Technology decision • on collaboration • on US HEP • Funding Profile & Schedule depending on whether BTeV does / does not survive reviews… G.W.Foster - Proton Driver

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