26-Sept-11 LCWS - Granada Global Design Effort 1 Barry Barish LCWS11 - Granada 26-Sept-11 Global Design Effort ILC R&D and Technical Design Grooved Insert for CesrTA Wiggler MDI – Push-Pull Platform

26-Sept-11 LCWS - Granada Global Design Effort 2 This presentation Update on ILC accelerator R&D Plans and Scope of for the TDR –TDR Baseline –TDR Phase 2 plans –Scope and Contents of the TDR Post-TDR planning

26-Sept-11 LCWS - Granada Global Design Effort 3 LCWS-11 – ILC Goals LCWS11 is the second joint CLIC / ILC workshop. Working groups should plan to set aside discussion time to foster ILC-CLIC collaboration on topics of common interest. For the ILC-GDE, three important steps are to be taken at LCWS11: –1) Reviewing the TDR outline and finalizing writing assignments. –2) Developing the agenda for the upcoming Baseline Technical Reviews - Central Region, Main Linac and CFS. –3) Discussing the path forward, including work after publication of the TDR.

26-Sept-11 LCWS - Granada Global Design Effort 4 GDE Baseline Technical Review Announcement: DESY on the 24-27th October This workshop follows the Damping Ring BTR held in INFN Frascati in July. The main goal of the BTRs is to formally establish a consensus baseline for the ILC TDR. The workshop will cover four Accelerator Systems and central region integration: –Electron source –Positron source –RTML (including bunch compressor) –BDS and MDI (including detector hall)

26-Sept-11 LCWS - Granada Global Design Effort 5 GDE Baseline Technical Review (2) The DESY review will in general focus on the following themes: –Parameters, lattice and layout –Technical systems (magnets, power supplies, RF, vacuum etc.) –Key technologies (R&D, with a view to down-select if required) –CFS requirements and specifications –Cost. In addition to these general themes, key issues specific to individual accelerator systems will be addressed. A particular emphasis will be placed on formal documentation, ready for inclusion in EDMS.

26-Sept-11 LCWS - Granada Global Design Effort 6 Major R&D Goals for Technical Design SCRF High Gradient R&D - globally coordinated program to demonstrate gradient by 2010 with 50%yield; improve yield to 90% by TDR (end 2012) Manufacturing: plug compatible design; industrialization, etc. Systems tests: FLASH; plus NML (FNAL), STF2 (KEK) post-TDR Test Facilities ATF2 - Fast Kicker tests and Final Focus design/performance EARTHQUAKE RECOVERY CesrTA - Electron Cloud tests to establish damping ring parameters/design and electron cloud mitigation strategy FLASH – Study performance using ILC-like beam and cryomodule (systems test)

26-Sept-11 LCWS - Granada Global Design Effort 7 The ILC SCRF Cavity - Achieve high gradient (35MV/m); develop multiple vendors; make cost effective, etc - Focus is on high gradient; production yields; cryogenic losses; radiation; system performance

26-Sept-11 LCWS - Granada Global Design Effort 8 Cavity Gradient Milestone Achieved 2010 Milestone TDR Goal Toward TDR goal Field emission; mechanical polishing Other progress

9 Blade Tuner (FNAL)Saclay Tuner (DESY) Slide-Jack Tuner (KEK) TTF-III Coupler (DESY/FNAL) STF-II Coupler (KEK) TESLA Cavity (DESY/FNAL) Tesla-like Cavity (KEK) Cavities, Tuners, Couplers in S1-G Cryomodule 26-Sept-11 LCWS - Granada Global Design Effort

26-Sept-11 LCWS - Granada Global Design Effort 10 S1-Global: Systems Tests

26-Sept-11 LCWS - Granada Global Design Effort 11

FLASH: Stability 15 consecutive studies shifts (120hrs), and with no downtime Time to restore 400us bunch- trains after beam-off studies: ~10mins Energy stability with beam loading over periods of hours: ~0.02% Individual cavity “tilts” equally stable Energy stability over 3hrs with 4.5mA ~0.02% pk-pk 9 Feb Sept-11 LCWS - Granada Global Design Effort 12

26-Sept-11 LCWS - Granada Global Design Effort 13 CesrTA - Wiggler Observations IWLC CERN, Geneva, Switzerland 0.002” radius Electrode  best performance

26-Sept-11 LCWS - Granada Global Design Effort 14 Field Region Baseline Mitigation Recommendation Alternatives for Further Investigation Drift*TiN CoatingSolenoid WindingsNEG Coating DipoleGrooves with TiN Coating Antechambers for power loads and photoelectron control R&D into the use of clearing electrodes. Quadrup ole* TiN Coating R&D into the use of clearing electrodes or grooves with TiN coating WigglerClearing Electrodes Antechambers for power loads and photoelectron control Grooves with TiN Coating Proposed ILC Mitigation Scheme

26-Sept-11 LCWS - Granada Global Design Effort 15 ATF2 – Beam size/stability and kicker tests IPShintake Monitor Final Doublet

26-Sept-11 LCWS - Granada Global Design Effort 16

26-Sept-11 LCWS - Granada Global Design Effort 17 Proposed Design changes for TDR RDRSB2009 Single Tunnel for main linac Move positron source to end of linac *** Reduce number of bunches factor of two (lower power) ** Reduce size of damping rings (3.2km) Integrate central region Single stage bunch compressor

26-Sept-11 LCWS - Granada Global Design Effort 18 Technical Design Phase and Beyond AD&I studies RDR ACD concepts R&D Demonstrations TDP Baseline Technical Design RDR Baseline Beijing Workshop TDR TDP-1 TDP-2 Change Request SB2009 evolve change control process AAP PAC Physics CERN Workshop

Impact of Baseline Changes 26-Sept-11 LCWS - Granada Global Design Effort 19

Starting Point is the RDR Costs 26-Sept-11 LCWS - Granada Global Design Effort 20

OECD PPP (Yen/USD)-annual average by year EX-exchange rate GDP: PPP based on all goods/services in GDP of each region M&E: PPP based on machinery and equipment Const: PPP based on civil construction Full PPP determinations were done for 2005 and 2008; other year points based on GDP inflation rates 26-Sept-11 LCWS - Granada Global Design Effort 21

ILC Project Implementation Planning Contents Executive Summary Governance Funding Models Project Management Host Responsibilities Siting Issues In-Kind Contribution Models Industrialisation and Mass Production of the SCRF Linac Components Project Schedule Future Technical Activities 26-Sept-11 LCWS - Granada Global Design Effort 22

26-Sept-11 LCWS - Granada Global Design Effort 23 (Global) Mass Production (SCRF) Cost Effective Mass- Production Cavity Specs. / Yield Plug Compatible Interfaces Vendor Models Production process models In-kind contribution models Critically important TDP2 activity Learn from XFEL experience 5% ILC Learn from LHC experience Develop realistic models on which to base cost estimate With industry TLCC-1 Global S1 TDP-2 PIP Governance SCRF

26-Sept-11 LCWS - Granada Global Design Effort 24 19m x 14m ISO class-5 clean room Chemical Polish room KEK Industrial R&D Pilot Plant Press machine Triming machine Electron Beam Welder work together with industry to develop cost- effective cavity production techniques

ICFA LC Parameters subcommittee (2003 and 2006) 26-Sept-11 LCWS - Granada Global Design Effort 25 Extending the reach of the ILC

Upgrade option for study: - Power < 300MW AC - New linac grad = 45 MV/m - Q 0 = Strawman TeV parameters Post-TDR program: Improve cavity gradient Cost effective production Flexibilty: Initial ILC energy: higher or lower energy, as informed by LHC results

26-Sept-11 LCWS - Granada Global Design Effort 27 Post-2012 ILC Interim Goals & Organization GDE will have successfully completed its mandate after TDR & PIP delivered + reviewed (mid-2013 at latest + transition) What should follow GDE (mandate and organization) for an interim 3-5 year period? (Suzuki, Heuer and Bagger talks) GDE position paper submitted to ILCSC Aug The paper addresses: –Technical Goals proposed for program? Value engineering; Continued system demonstrations; Increasing energy reach; + – Organizational Issues for post GDE? What are primary GDE assets that should be preserved? What are the primary GDE weaknesses that should be improved? We must define what systems tests must demonstrate for each LC option before construction of a LC? ICFA??