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Asian R&D Activity and Resources

Asian R&D Activity and Resources. K. Yokoya KEK. ATF/ATF2, STF KEK budget Korea, China, India. ILC-Related Facilities at KEK. ATF/ATF2. STF. Cavity R&D Stand. #4 building. ATF. Built in 1993, still a good tst bench for ILC-DR Formal MoU of international collab. in 2005.

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Asian R&D Activity and Resources

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  1. Asian R&D Activity and Resources K. Yokoya KEK ATF/ATF2, STF KEK budget Korea, China, India Global Design Effort

  2. ILC-Related Facilities at KEK ATF/ATF2 STF Cavity R&D Stand #4 building Global Design Effort

  3. ATF • Built in 1993, still a good tst bench for ILC-DR • Formal MoU of international collab. in 2005 Global Design Effort

  4. What’s Being Done at ATF • Fast kicker development (KEK, LLNL, SLAC, DESY) • Laser wire (RHUL) • Improvement of DR BPM resolution (SLAC, FNAL) • Digital IP feedback system (Oxford, etc) • nm resolution BPM (SLAC, KEK) • Laser-Compton scattering for positron production (ILC ACD) Global Design Effort

  5. ATF2 • ILC-type Final Focus down to ~35nm • Stabilization to a few nm Global Design Effort

  6. R&D Items in ATF2 • Final focus tuning study with ILC optics • High availability power supply • Laser interferometer beam size monitor to ~35nm (doubled frequency, phase stabilization) • nm resolution BPM at IP • Digital feedback with ILC-like beam • Active stabilization of final quad • …….By international collaboration from the construction stage Global Design Effort

  7. Cost Breakup of ATF2 Global Design Effort

  8. ATF2 Schedule • Budget profile peak in FY2007 • Floor refurbishment in summer • Remodelling the extraction line next summer • Beam operation in Oct. next year Global Design Effort

  9. Cavity R&D • TESLA-like 9 cell cavities • improvement of stiffness • Two disk window input coupler • Slide jack tuner • LL-type 9 cell cavities • Low surface magnetic field • Input coupler of capacitive coupling type • Coaxial ball-screw tuner • LL-type single-cell study for establishing surface treatment Global Design Effort

  10. Cavity Program in FY2007 • TESLA-like • 2-3 new cavities (most likely 2) • For S0 • Possibly for replacement in STF1 (STF1.5) • LL • 4 Existing 9cell cavities • 2 of them for S0 (shipped to US) • 1 in STF0.5 but will be removed later • 1 for tuner test • 4 New ICHIROs • 2 to be installed in STF1 • 2 for S0 incl. 1 from Korea (for STF1 if in time) • Single-cell Global Design Effort

  11. STF • STF1 (2005-2007) • First step of system construction • 2 cryostats with 4 TESLA-like cavities + 4 LL-type cavities • Divided into substeps • Phase0.5 1+1 cavities(test by summer this year) • Phase1.0 4+4 cavities (may be 4+2)(construction end by Mar.2008) • Phase1.5? Replace cavities Global Design Effort

  12. STF0.5 Installation • 1st cool down in May • Finish test in July Global Design Effort

  13. STF2 • 1 RF unit (as close as ILC design) • 1 modulator (can be Marx if in time) • 1 klystron (horizontal?) • 3 cryostats (close to type-4) • Beam (full intensity but not short bunch) • Timeline • Design in 2008 • essential part of the cryomodule design by summer • Cavity type must be selected • Construction in 2009-2010 Global Design Effort

  14. SC Infrastructure • Clean room (in use) • Ultra-pure water (in use) • High pressure rinsing (almost completed) • Electro-Polishing facility(completed in May, routine operation in Oct.) • Vertical test stand (to be completed in Oct.) • Next year (?) • Chemical polishing facility • EP system for KEKB (incl. crab) Global Design Effort

  15. STF Timeline Global Design Effort

  16. Budget(1) • FY2007 budget plan discussion started last November • Intensive review and recommendation by RDB • Delay of budget decision at KEK(fiscal year already started in Apr.1) • Not yet final as of mid.Apr, but accurate within a few % • Schedule shift inevitable • Delay of STF0.5 • Budget short Global Design Effort

  17. Global Design Effort

  18. World Premier International Research Center • A new fund starting (second half of) JFY2007 to create top-level 5 research centers with a size of 200 researcher/post docs/engineers/staffs. • At least 30% of researchers are expected to come from abroad. • Official language is English. • 0.5-2 B¥/year x 10 years (mainly personnel), can be extended up to 15 years. • More than 50 proposals seems to be submitted. • KEK is now preparing a proposal to be submitted at the end of May. • Tentative title of the proposal is “International Center for Frontier and Innovation of Accelerator Science and Technology”. • Main objective is to develop advanced accelerator technologies;SC RF acceleration and low emittance beam source/control. • We plan to implement ILC activities into this program as much as possible. • Strong suppor and participation from ILC community is highly welcome. Global Design Effort

  19. International Center for Frontier and Innovation of Accelerator Science and Technology • 4 research units and satellites outside KEK • Advanced accelerator R&D unit (ILC&ERL) • Innovative acceleration technology R&D unit • Innovative experiment technology R&D unit • Advanced accelerator science unit • Satellite centers outside KEK • e.g. FNAL,SLAC,Cornell,JLab,DESY,CERN... • Staffs • 1 director • 4 unit leaders, ~16 principal investigators • ~30 scientists, ~50 post docs, ~30 engineers • ~20 secretaries, ~50 administrators • Half of researchers/post docs come from ouside KEK. Global Design Effort

  20. Korea: R&D for EDR at KNU  Damping rings (2007-2009) - Fast-ion beam instability - Lattice design and optimizations - Ecloud beam instability • Beam diagnostics (2007-2008) - Low-Q IP-BPM and S-band BPM at ATF2 (2007-2008) - Cold-BPM at STF Phase 2.0 (2007-2008)  Bunch compressor (2007-2009) - Optimization and improvement of performances Global Design Effort

  21. R&D for EDR at KNU • Superconducting ICHIRO rf cavity  R&D on cavity design (2007-2008) - Multipacting suppression - HOM damping - Mechanical stress  R&D on rf cavity fabrication (2007-2009) - processing for 1 cell cavities and 9-cell cavity  R&D on Klystron (Plan) Global Design Effort

  22. Budgets and Collaborations at KNU • Official budgets in FY2007 and FY2008 : 0.3 M $ / year (without salary)  Available resources in FY2007: 6 FTEs + 5 Part time • Collaboration items and groups Global Design Effort

  23. Korea: PAL Status April, 2007 • Construction of SRF Test Lab. in PAL (50% done) • Frequency: 1.25-1.55 GHz, RF Power: ~100 W • Test cryostat for cavity with 1-3 cells @1.3GHz • R&D for ILC ACD (ICHIRO) Cavity • Fabricating 9-cell cavity for S0 R&D • Surface preparation by PAL member in KEK • Supplying Q-BPM for ATF2 • Study effects of electron bombardment on cavity surface • Properties of Nb material (specimen test) • Performance of single cell cavity Global Design Effort

  24. PAL: PLAN in 2007-2008 R&D for ILC ACD (ICHIRO) Cavity S0, S1, S2 R&D with KEK Fabrication 1 9-cell and 5 single-cell cavities S0 R&D for single-cell cavities in PAL Construction of SRF Test Lab. in PAL Will be completed in 2007 and be operated in 2008 Extension for 9-cell cavity R&D Facilities for surface preparation of single-cell cavity will be Study effect of electron bombardment on cavity surface With single-cell cavity With 9-cell cavity, (on talk with KEK-K. Saito and JLab-P. Knesle) Global Design Effort

  25. PAL: Budgets Budget in 2005-2006: 392,000 USD R&D of 3rd harmonic cavity: 70,000 USD R&D of ILC ACD (ICHIRO) cavity: 112,000 USD (70,000 USD from industry.) Construction of SRF Lab.: 210,000 USD Budget in 2007: 195,000 USD+ 20,000 USD R&D of 3rd harmonic cavity: 20,000 USD R&D of ILC ACD (ICHIRO) cavity: 125,000 USD (75,000 USD from industry.) Construction of SRF Lab.: 50,000 USD Cavity BPM electronics: 20,000 USD Global Design Effort

  26. China • Beam dynamics in ILC main linac • ATF2 • Fabrication of Q-magnets • beam dynamics study • LLSC cavity studies, large grain Nb. • Chinese ILC test cryomodule design • High power coupler R&D for ILC • Positron Source • Lattice design of Damping Ring • LLRF for ILC Global Design Effort

  27. Large Grain Nb Large grain Nb from Ningxia Single-cell test done at KEK (48MV/m) Global Design Effort

  28. China: Budgets • 3.5 Million RMB since 2005 (1US$ = 7.8 RMB) • Application for next fiscal year • 1.5 Million RMB from IHEP • 0.49 Million RMB from NSFC (for beam dynamics) • 30 Million RMB from MOST(incl. physics, detector, accelerator) Global Design Effort

  29. India • RRCAT is planning a large SC Facility • Cavity fabrication • EBW • Polishing (mechanical, CP, BP) • Clean rooms • High Pressure Rinsing • Etc • Budget starts from this FY • Scope at the moment is FEL (Tera Hz region) and SNS • But can get experience for ILC production Global Design Effort

  30. 60m Proposed Facility at RRCAT Global Design Effort

  31. Summary • ATF2 going well. Budget peak this year. • STF0.5 finish in July. A few months delay. • STF1 to follow. Construction end Mar.2008. • Budget tight. Seeking for another budget source. • Other Asian countries are building up.Own projects & participation in KEK work. Global Design Effort

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