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India’s Interest in β=0. 8 CM and capabilities V. C. Sahni RRCAT/BARC Department of India’s Interest in β=0. 8 CM and capabilities V. C. Sahni RRCAT/BARC Department of Atomic Energy, India Project-X Workshop at Fermilab Nov 21 & 22, 2008 11/21/2008 Fermilab Project-X Collaboration Meeting

Outline • Expression of Interest • Indian Accelerator Laboratories and Future Accelerator Programs • Outline • Expression of Interest • Indian Accelerator Laboratories and Future Accelerator Programs • SRF R&D Collaboration with Fermilab • Ongoing Activities on β = 1 TESLA type Cavity • New Facilities Planned under Domestic SCRF • Fermilab’s Proposal for Project-X collaboration • Indian laboratories Response – Cavity – Cryomodule – SRF Infrastructure • Summary 11/21/2008 Fermilab Project-X Collaboration Meeting 2

Expression of interest “We are interested in getting involved with β=0. 8 elliptical cavities Expression of interest “We are interested in getting involved with β=0. 8 elliptical cavities and cryomodule Research, Design and Development for Project-X. ” Indian Accelerator laboratories are developing similar accelerators. Indian Accelerator Laboratories (RRCAT, BARC) have experience in design, prototyping, fabrication and testing of some accelerator components for the Indian accelerator programs and CERN (LHC and CLIC-TF). Indian Accelerator laboratories and Industries would jointly work towards the development of accelerator components for Project-X and Indian High Intensity Proton Accelerator Programs, in close collaboration with Fermilab. 11/21/2008 Fermilab Project-X Collaboration Meeting 3

Indian Accelerator Laboratories • Several Indian accelerator laboratories are in operation today – – Indian Accelerator Laboratories • Several Indian accelerator laboratories are in operation today – – RRCAT, Indore BARC and TIFR, Mumbai IUAC, Delhi VECC, Kolkota • India collaborates in the field of accelerators with Fermilab and CERN. – India is a CERN observer member state. – Indian Laboratories (RRCAT, BARC, IUAC) are members of TTC. • India has plans in place to develop modern Superconducting Radio Frequency accelerator for basic & applied research and nuclear energy production. – Radioactive Ion Beam Facility – Spallation Neutron Source – High Intensity Proton Linac for Accelerator Driven Sub-critical Reactor 11/21/2008 Fermilab Project-X Collaboration Meeting 4

Indian High Intensity Proton Accelerator Normal Conducting High current injector 20 Me. V, 30 Indian High Intensity Proton Accelerator Normal Conducting High current injector 20 Me. V, 30 m. A Proton IS 50 ke. V RFQ 3 Me. V 100 Me. V DTL 20 Me. V Design completed and fabrication is in progress ECR Ion Source DTL/ CCDTL Superconducting DTL SC Linac 1 Ge. V RFQ Elliptical SC Cavity Beginning Cell Coupling Cell 11/21/2008 Fermilab Project-X Collaboration Meeting 5

DAE & US Laboratories MOUs The Project-X and related infrastructure Collaborative work could be DAE & US Laboratories MOUs The Project-X and related infrastructure Collaborative work could be done using these MOU’s collaboration Model 11/21/2008 Fermilab Project-X Collaboration Meeting 6

Cavity and Cryomodule Development • In collaboration with Fermilab Indian laboratories are developing b Cavity and Cryomodule Development • In collaboration with Fermilab Indian laboratories are developing b = 1 ILC Cavity and Cryomodule components. – Cavity: • Cavity design studies • Development of forming tooling, • Development of e-beam welding fixtures, • Cavity forming, trimming, frequency measurement, e-beam welding, tuning • Fabrication of 1 -cell cavity using Al, Copper, Nb (in progress) • Machining of part of end group from solid Nb block. – Tuner: Two new tuner designs (BARC/RRCAT) and prototype – Cryomodule: • Participating in Type-IV design development at Fermilab • Design for manufacturing and value engineering 11/21/2008 Fermilab Project-X Collaboration Meeting 7

SRF Material R&D Main results in a nutshell Magnetic flux lines penetrate at lower SRF Material R&D Main results in a nutshell Magnetic flux lines penetrate at lower H in a large grain chemically treated Niobium sample than in an pristine Nb sample. 11/21/2008 → Fermilab Project-X Collaboration Meeting RF cavity prepared with such BCP Nb would reach maximum 30 -32 MV m-1 8

RRCAT: Cavity and Cryomodule Activities Forming Tooling Machining of Iris face Half cell- beam RRCAT: Cavity and Cryomodule Activities Forming Tooling Machining of Iris face Half cell- beam pipe welding 11/21/2008 EB welded Aluminum single cell Fermilab Project-X Collaboration Meeting Half cell Inspection Low RRR Nb End group machining 9

New Facilities Planned under Domestic SCRF Cavity Development • Setting up of infrastructure for New Facilities Planned under Domestic SCRF Cavity Development • Setting up of infrastructure for SCRF cavity Fabrication (120 Ton Hydraulic Press, Nb Machining Facility, EBW Machine etc. ), • Cavity processing facilities ( EP/BCP/BP, HPR & Annealing Furnaces), • Assembly & testing set up. (Clean-room, Test cryostats, RF sources etc. ), • Add to cryogenic infrastructure, (Bigger Liquid He Plant, Liquid N 2 Plant and Accessories for Larger Cryogen & Gas Handling Systems etc. ), • Augment experimental facilities for superconducting materials research. (Add to presently available magnetic, electrical & thermal conductivity measurements), • Additional support facility (UTM, CMM, Cavity tuning machine, SIMS, Chemistry lab, Eddy Current Scanner etc. ). 11/21/2008 Fermilab Project-X Collaboration Meeting 10

Developing SRF Infrastructure 11/21/2008 Fermilab Project-X Collaboration Meeting 11 Developing SRF Infrastructure 11/21/2008 Fermilab Project-X Collaboration Meeting 11

Fermilab’s Proposal: Project-X and SRF Infrastructure • Accelerator Components – Indian design and fabrication Fermilab’s Proposal: Project-X and SRF Infrastructure • Accelerator Components – Indian design and fabrication of the beta = 0. 8 Cavity and Cryomodule, in collaboration with Fermilab • • Cavity components He Vessel (except bellow) Tuner Cryomodule components (Mostly cryogenic pipes, insulation, stands etc. ) to be assembled at Fermilab • Superconducting Radio Frequency Infrastructure – – 11/21/2008 Vertical Test Stand Cryogenic Vessel Horizontal Test Stand Cryogenic Vessel Design and Fabrication of a Cryomodule Test Stand components Fermilab will work with RRCAT by sharing information, in developing RRCAT’s cavity processing and Testing facility Fermilab Project-X Collaboration Meeting 12

β=0. 8 Cavity package Development • Indian laboratories in collaboration with Fermilab proposed to β=0. 8 Cavity package Development • Indian laboratories in collaboration with Fermilab proposed to contribute to both the design studies as well as fabrication of β=0. 8 cavities. • While we are developing Indian SRF infrastructure we would propose to use the – FNAL facilities to evaluate prototype • Helium vessel components – Machining of components for Helium vessel (Except bellow) • Development of the Indian design of tuner for β=0. 8 cavity – At present we have two designs under prototype and room temperature testing 11/21/2008 Fermilab Project-X Collaboration Meeting 13

β=0. 8 Cryomodule Development • Building on our understanding of the TYPE-IV ILC cryomodule β=0. 8 Cryomodule Development • Building on our understanding of the TYPE-IV ILC cryomodule design we will collaborate with Fermilab in the development of the β=0. 8 cryomodule design and fabrication. • We propose to include the RRCAT developed new design concepts – – – • Cavity support system, 2 K Helium supply line simplification, Pipe sizing. Multi-layer insulation improvements We propose to undertake these developments in steps by doing development of subsystems 1. Fabricate a scaled down cavity support system, 2. Start designing SS helium vessel, 3. A shorter cryomodule to house a couple of cavities, • We would gradually take up other subsystems. 1. Stands – Jacks for the cryomodule Effort is to progressively advance towards launching the fabrication of the cavity and cryomodule 11/21/2008 Fermilab Project-X Collaboration Meeting 14

SRF Infrastructure Development • Indian laboratories are in process of designing SRF infrastructure for SRF Infrastructure Development • Indian laboratories are in process of designing SRF infrastructure for cavity fabrication, processing, testing and cryomodule fabrication for Indian High Intensity Proton Accelerator. • The β=0. 8 cavity and cryomodule program for Project-X will use these facilities in India. • We will collaborate with Fermilab in jointly developing these facilities at the Indian laboratories and at Fermilab. • All of these collaborative activities would require exchange of technical manpower between FNAL and Indian laboratories for participation in design, testing, system development, etc. 11/21/2008 Fermilab Project-X Collaboration Meeting 15

Summary • We are interested in getting involved with β=0. 8 elliptical cavities for Summary • We are interested in getting involved with β=0. 8 elliptical cavities for Project X, • Indian laboratories have the capabilities for design & component manufacturing. • Interest in exchange of trained technical man-power for system development and qualification, • RRCAT has made some progress in the development of 1. 3 GHz β =1 cavity forming & welding and cryomodule systems studies, • RRCAT is engaged in setting up SCRF infrastructure for its domestic program through inter-laboratory-industries collaboration, • Focus on Synergetic approach to benefit domestic program & international collaboration. 11/21/2008 Fermilab Project-X Collaboration Meeting 16

Thank You 11/21/2008 Fermilab Project-X Collaboration Meeting 17 Thank You 11/21/2008 Fermilab Project-X Collaboration Meeting 17