Brian Foster Oxford The International Linear Collider ILC
Brian Foster Oxford The International Linear Collider ILC Spain Gandia 4/12/05 ILC parameters The Global Design Effort Current status of the crucial design elements & BCD status European GDE Summary & outlook - immediate & beyond 1 Brian Foster - ILC Spain@Gandia
ILC Parameters • Ecm adjustable from 200 – 500 Ge. V • Luminosity ∫Ldt = 500 fb-1 in 4 years • Ability to scan between 200 and 500 Ge. V • Energy stability and precision below 0. 1% • Electron polarization of at least 80% • The machine must be upgradeable to 1 Te. V 2 Brian Foster - ILC Spain@Gandia
The ILC schematic Superconducting RF Main Linac Brian Foster - ILC Spain@Gandia 3
GDE – The Mission of the GDE • Produce a design for the ILC that includes a detailed design concept, performance assessments, reliable international costing, an industrialization plan , siting analysis, as well as detector concepts and scope. • Coordinate worldwide prioritized proposal driven R & D efforts (to demonstrate and improve the performance, reduce the costs, attain the required reliability, etc. ) • B. Barish is Director, assisted by 3 regional directors: BF (Europe); F. Takasaki (Asia); G. Dugan (Americas) Brian Foster - ILC Spain@Gandia 4
Snowmass 670 Scientists attended two week workshop at Snowmass 5 Brian Foster - ILC Spain@Gandia
GDE – Staffing Chris Adolphsen, SLAC Jean-Luc Baldy, CERN Philip Bambade, LAL, Orsay Barry Barish, Caltech Wilhelm Bialowons, DESY Grahame Blair, Royal Holloway Jim Brau, University of Oregon Karsten Buesser, DESY Elizabeth Clements, Fermilab Michael Danilov, ITEP Jean-Pierre Delahaye, CERN, Gerald Dugan, Cornell University Atsushi Enomoto, KEK Brian Foster, Oxford University Warren Funk, JLAB Jie Gao, IHEP Terry Garvey, LAL-IN 2 P 3 Hitoshi Hayano, KEK Tom Himel, SLAC Bob Kephart, Fermilab Eun San Kim, Pohang Acc Lab Hyoung Suk Kim, Kyungpook Nat’l Univ Shane Koscielniak, TRIUMF Vic Kuchler, Fermilab Lutz Lilje, DESY Americas 16 Europe 21 Asia 12 Tom Markiewicz, SLAC David Miller, Univ College of London Shekhar Mishra, Fermilab Youhei Morita, KEK Olivier Napoly, CEA-Saclay Hasan Padamsee, Cornell University Carlo Pagani, DESY Nan Phinney, SLAC Dieter Proch, DESY Pantaleo Raimondi, INFN Tor Raubenheimer, SLAC Francois Richard, LAL-IN 2 P 3 Perrine Royole-Degieux, GDE/LAL Kenji Saito, KEK Daniel Schulte, CERN Tetsuo Shidara, KEK Sasha Skrinsky, Budker Institute Fumihiko Takasaki, KEK Laurent Jean Tavian, CERN Nobu Toge, KEK Nick Walker, DESY Andy Wolski, LBL Hitoshi Yamamoto, Tohoku Univ Kaoru Yokoya, KEK 49 members Brian Foster - ILC Spain@Gandia 6
GDE Plan & Schedule 2005 2006 2007 2008 2009 2010 Global Design Effort Project Baseline configuration LHC Physics Reference Design Technical Design ILC R&D Program Bids to Host; Site Selection; International Mgmt Brian Foster - ILC Spain@Gandia
Baseline Concept 8 Brian Foster - ILC Spain@Gandia
BCD overview Currently the ILC BCD looks like this: BCD Executive - B. Barish, G. Dugan, BF, F. Takasaki, T. Raubenheimer, N. Walker, K. Yokoya - has had regular meetings for past three months to prepare the proposed BCD. Brian Foster - ILC Spain@Gandia 9
Snowmass Baseline 2005 Snowmass August September October November December WW/GG summaries Response to list of 40+ decisions All documented ‘recommendations available on ILC Website (request community feedback) Review by BCD EC BCD Executive Committee: Barish Dugan, Foster, Takasaki Raubenheimer, Yokoya, Walker Brian Foster - ILC Spain@Gandia BCD EC publishes ‘strawman’ BCD Public Review Frascati GDE meeting 10
“Strawman” BCD The “strawman” BCD has now been released and can be found at: http: //www. linearcollider. org/wiki/doku. php? id=bcd: bcd_home. Parameters for 2*1034: Bunch charge N Number of bunches nb Linac bunch interval tb Bunch length �z 150 Vertical emittance ��y IP beta (500 Ge. V) �x �y IP beta (1 Te. V) �x �y min nom max 1 2 2 1330 2820 5640 154 308 461 300 500 �m 0. 03 0. 04 0. 08 10 21 21 0. 2 0. 4 10 30 30 0. 2 0. 3 0. 6 x 10^10 ns mm. mradd mm mm 11 Brian Foster - ILC Spain@Gandia
BCD & AC cavities SC cavities & associated stuff is cost driver. 12 Brian Foster - ILC Spain@Gandia
BCD & AC cavities What knobs do we have to turn? Relative Cost C. Adolphsen (SLAC) Gradient MV/m 13 Brian Foster - ILC Spain@Gandia
BCD & AC cavities 14 Brian Foster - ILC Spain@Gandia
BCD & AC cavities Single cell status 15 Brian Foster - ILC Spain@Gandia
BCD & AC cavities Single cell status 16 Brian Foster - ILC Spain@Gandia
BCD & AC cavities 9 -cell cavities 17 Brian Foster - ILC Spain@Gandia
BCD & AC cavities “Strawman” BCD 18 Brian Foster - ILC Spain@Gandia
Cavity Fabrication Work in progress 19 Brian Foster - ILC Spain@Gandia
Klystron Fabrication Several suppliers for BCD: 20 Brian Foster - ILC Spain@Gandia
Damping rings Area in which technology has really advanced 21 Brian Foster - ILC Spain@Gandia
Damping rings Three candidates emerged from Snowmass: 22 Brian Foster - ILC Spain@Gandia
Damping rings Pulser development at KEK ATF BCD has 2*6 km e+, 6 km e-; dogbone backup. 23 Brian Foster - ILC Spain@Gandia
How many tunnels? TESLA had 1 - warm design had 2: BCD - 2 tunnels following earth’s curvature Brian Foster - ILC Spain@Gandia 24
How many IRs? If no $ problem, answer clear - 2 IPs, 2 det. • Roughly in rising/falling order of preference for acc. /det. people, (i. IR: instrumented IR, n. IR: non-instrumented IR) – – – 2 i. IRs/ 2 detectors 1 i. IR/ 2 detectors (push-pull) + 1 n. IR 1 i. IR/ 2 detectors (push-pull) 1 i. IR/ 1 detector (push-pull capability) 1 i. IR/ 1 detector + 1 n. IR 1 i. IR/ 1 detector BCD - 2 IPs shifted. Brian Foster - ILC Spain@Gandia 25
Test facilities TTF exists at DESY, SMTF (FNAL), STF (KEK): Stimulate SC industry in the regions collaborate on SC technology 26 Brian Foster - ILC Spain@Gandia
Test facilities ATF @ KEK has been a great success. Time for further improvement: 27 Brian Foster - ILC Spain@Gandia
Test facilities Extend ATF to give FF prototype - squeeze down to 35 nm and stabilise to 2 nm. 28 Brian Foster - ILC Spain@Gandia
ILC Communications • Launch of New ILC Website @ Snowmass www. linearcollider. org • “One Stop Shopping” – electronic data management system (EDMS), news, calendar of events, education and communication 29 Brian Foster - ILC Spain@Gandia
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European GDE met in Oxford on 25/10/05. Discussed obviously regional issues: - how to get more resources from inside Europe, in particular the EU; - regional outreach - Europe has particular difficulties & challenges here. The European GDE does NOT discuss the technical issues of the BCD or take up European positions on them - these are matters for the full GDE. 31 Brian Foster - ILC Spain@Gandia
European GDE Two meetings in CERN to explore in particular the similarity between LHC and ILC cryogenics and to utilise CERN expertise, particularly in civil engineering. Very encouraged by the great interest on the ground in CERN in the project, the very constructive and positive meetings we have had and the growing involvement of CERN staff in the ILC. 32 Brian Foster - ILC Spain@Gandia
European GDE JINR/Dubna have written to B. Barish putting forward Dubna as a possible site for the ILC. This would give Europe 3 candidate sites. I will have discussions with A. Sissakian on this at Frascati meeting next week. 33 Brian Foster - ILC Spain@Gandia
Future meetings The Frascati meeting December 7 - 9 will follow the TTC meeting and will begin with a plenary session in which the status of the BCD will be described and the remaining issues that need to be settled in Frascati will be highlighted. The aim is to leave the plenary presentation on Friday evening with an essentially complete BCD that can be documented by the end of this year or very early in 2006. 34 Brian Foster - ILC Spain@Gandia
Next steps RDR will take forward the BCD, refine the design and in particular gather industrialisation data in order to form the basis for reliable cost estimate with the RDR. Need to put new structures & people in place for next step to RDR. This is already under discussion in Executive and will be outlined at Frascati. Coordinators, new GDE members already designated/being discussed. 35 Brian Foster - ILC Spain@Gandia
Next steps There will be 3 new boards: Change Control Board; Global R&D Board; Design & Cost Board. The RDR will be produced using a matrix structure of “area systems” and “technical systems” to account for the structure of the project. 36 Brian Foster - ILC Spain@Gandia
Next steps Possible matrix structure This structure and names to fill it under discussion and further @ Frascati. Brian Foster - ILC Spain@Gandia 37
Summary The GDE is functioning well. The Baseline Design for the ILC is pretty much complete. Lots of real work is going on as well as the necessary organisation. Frascati will be an important meeting to finalise the BCD and kick-start us into the next RDR phase, which is already taking shape. The ILC is gathering momentum!!! 38 Brian Foster - ILC Spain@Gandia
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