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NCLinac / ILC Synergies

NCLinac / ILC Synergies. Philip Burrows John Adams Institute Oxford University. Outline. ILC status + plans CLIC / ILC collaboration Beam dynamics + final-focus R&D at Accelerator Test Facilty (KEK) Summary. ILC Reference Design. High-gradient R&D Industrialisation Mass-production. 3.

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NCLinac / ILC Synergies

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  1. NCLinac / ILC Synergies Philip Burrows John Adams Institute Oxford University P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  2. Outline • ILC status + plans • CLIC / ILC collaboration • Beam dynamics + final-focus R&D at Accelerator Test Facilty (KEK) • Summary P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  3. ILC Reference Design • High-gradient R&D • Industrialisation • Mass-production P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 3

  4. RDR cost estimate • Estimated cost (2007) ~6.7 Billion ILCU* • 4.87 BILCU shared • 1.78 BILCU site-specific • 10,000 person-years “implicit” labour P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 4

  5. GDE ILC Timeline GDE process Reference Design Report (RDR) Tech. Design Phase (TDP) 1 TDP 2 LHC physics Ready for Project Submission 2005 2006 2007 2008 2009 2010 2011 2012 2013 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 5

  6. GDE ILC Timeline GDE process Reference Design Report (RDR) Tech. Design Phase (TDP) 1 TDP 2 LHC physics Ready for Project Submission 2005 2006 2007 2008 2009 2010 2011 2012 2013 EUCARD P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 6

  7. Major R&D Goals for TDP 1 SCRF High Gradient R&D - globally coordinated program to demonstrate gradient by 2010 with 50%yield; ATF-2 at KEK Demonstrate Fast Kicker performance and Final Focus Design Electron Cloud Mitigation – (CesrTA) Electron Cloud tests at Cornell to establish mitigation and verify one damping ring is sufficient. Minimum Machine Studies Studies of possible cost reduction designs and strategies for consideration in a re-baseline in 2010 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 Global Design Effort 7

  8. R&D Plan - Technical Design Phase P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09 • “Living Document” • A 60 page document with details of all R&D programs, schedules and resources. • New: Release 3 • Technical Design Phase • Phase 1 2010 (critical R&D demonstrations; new baseline • Phase 2 2012 (technical design and implementation plan –> construction proposal ready

  9. Detector Concepts P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  10. Detector Concepts Letters of Intent (LoI) due April 1! P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  11. CLIC / ILCCollaboration • Working Groups with • joint leadership • Accelerator Tech Areas • Physics / Detectors • Costing • First progress reported • last fall LOI Follow-on: Study extrapolation to multi-TeV P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  12. Collaboration Working Groups P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  13. Collaboration Working Groups P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  14. ATF International Collaboration KEK Waseda U. Nagoya U. Tokyo U. Kyoto U. Hiroshima U. PAL IHEP KNU SLAC LBNL FNAL Cornell Univ. LLNL CERN DESY LAL, Orsay Tomsk Polytechnic Univ. INFN, Frascati University College London Oxford Univ. Royal Holloway Univ. Oversea collaborators visited for R&D at ATF 23 Institutes, ~60 peoples, ~1500 people-days P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  15. Meeting for ATF operation in Spring P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  16. Accelerator Test Facility – ATF/ATF2 KEK Laboratory ATF2 beam line: A scaled down version of the LC Beam Delivery System Damping Ring P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  17. ATF / ATF2 R&D Program and Goals • Beam delivery system studies • Demonstrate ~ 35 nm beam spot by 2010 • Stabilize final focus at nanometer level by 2012 • Broad international collaboration (mini-ILC) for equipment, commissioning and R&D program Commissioning underway ATF2 Beam Line vacuum pipe connected in October P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  18. NCLinac synergies • Alignment + alignment monitoring, stabilisation • Emittance preservation: beam-based alignment, dispersion matching, tuning knobs … • Instrumentation: laserwire, precision BPMs, beam-size monitors … • Trajectory control: beam-based feedback on slow + fast (bunch-by-bunch) timescales P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  19. Tools under development Molloy P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  20. Beam spot sizes at IP Jones After CO & Launch Correction Before Correction After Dispersion Correction After Coupling Correction BPM Errors No BPM Errors 20 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  21. Cavity BPM system Boogert 33 C-band 4 S-band + 5 refs Aim: 50nm accuracy beam meas. over 1 week P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  22. Extraction line laserwire Blair, Boogert P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  23. Extraction line laserwire P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  24. Extraction line laserwire P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  25. LC IP feedback system - concept Kick beam back into collision Ground vibrations cause beams to miss one another e+ Feedback circuit e- Outgoing beams deflected Measure beam position P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  26. FONT4 LC FB prototype at KEK/ATF Kicker BPM 1 BPM 2 BPM 3 e- 1.3 GeV Drive amplifier Analogue BPM processor 3 bunches, 140-154ns spacing Digital feedback P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  27. FONT4 LC FB prototype at KEK/ATF Kicker BPM 1 BPM 2 BPM 3 e- Drive amplifier Analogue BPM processor Digital feedback P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  28. Example of May 2008 Results P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  29. Example of May 2008 Results P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  30. ATF2 FB system • Dedicated • system: • 2 stripline • kickers + • fast drive amplifiers • 3 stripline BPMs + • fast analogue front-end electronics • 9-channel digital FB processor P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  31. Vertical position correction No feedback Feedback Resta Lopez P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  32. FONT installation @ ATF2 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  33. MonaLisa alignment monitor Urner P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  34. Monalisa operation • Network of distance metres • Measurement end points fixed • Gives overconstrained geometric system • Allows us to reconstruct full 6 degrees of freedom from distance measurements 10cm 80cm Urner P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  35. One active double bellow system • Advantages: • No scaffolding needed • Allows for longer spool piece • (lower perp. spring rate) • Cheaper • Better access to QD0 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  36. One active double bellow system • Advantages: • No scaffolding needed • Allows for longer spool piece • (lower perp. spring rate) • Cheaper • Better access to QD0 P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  37. Summary • NCLinac and ILC R&D activities are very well aligned! • NCLinac will enable vital contributions to ILC R&D activities during TDP: • emittance preservation + stability • feedback + beam trajectory control • precise instrumentation • system demonstration of nanometer beams P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

  38. Summary • NCLinac and ILC R&D activities are very well aligned! • NCLinac will enable vital contributions to ILC R&D activities during TDP: • emittance preservation + stability • feedback + beam trajectory control • precise instrumentation • system demonstration of nanometer beams • Let’s get started! P.N. Burrows NCLinac Kickoff Meeting CERN 27/03/09

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