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ILC%20Accelerator%20Related%20R

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Title: ILC%20Accelerator%20Related%20R


1
ILC Accelerator Related RD in India
  • S C Joshi, V C Sahni
  • Raja Ramanna Centre for Advanced Technology,
    Indore,
  • INDIA

IHEP, Beijing, China, November 5, 2007
2
Greetings to all the participants of CCAST ILC
Accelerator Workshop 1st Asian ILC RD
Seminar under JSPS Core University Program
Members of IHEP, Beijing (Team members
(partial list) S B Roy, PK Kush ,
J Dwivedi, P Shrivastava, S Krishnagopal ,
TA Puntambekar, P Khare, AM
Puntambekar) RRCAT, Indore and other
Collaborative Institutes.
3
Major Accelerator Centres of India
IUAC
Bhubaneshwar IOP
4
Major Accelerator Centres in India
  • Raja Ramanna Centre for Advanced Technology,
    Indore
  • (Indus-1 Indus-2 SRS, 10 MeV Industrial
    Linac, DC Accelerator etc.)
  • Variable Energy Cyclotron Centre, Kolkata
  • (224 cm Variable Energy Cyclotron, K-500 SC
    Cyclotron Accelerator, RIB facility etc.)
  • Bhabha Atomic Research Centre , Mumbai
  • (7 MV FOTIA, 10 MeV e- Linac for
    Radiation Processing etc.)
  • Inter University Accelerator Centre, N Delhi
  • (15 MV Palletron SC Linac Modules for
    energy augmentation etc.)
  • Tata Institute of Fundamental Research, Mumbai
  • (14 MV Palletron, SC 150 MHz QWR based
    Linac Booster for energy gain)
  • Institute of Physics, Bhubaneshwar
  • (3 MV Tandem Palletron Accelerator mostly
    for Materials Science)

5
Accelerator Programs in RRCAT
Centre for Advanced Technology, Indore
  •  Operation of Synchrotron Radiation Source
    Indus-1
  • Indus-1 Utilization
  • 2.5 GeV Synchrotron Radiation Source Indus-2
    (beam storage experiments are now in progress)
  • Medical Industrial Accelerator Development
  • 100 MeV Proton LINAC Development (Proposed)
  • Prototype subsystem development for 1 GeV Rapid
    Cycling Proton Synchrotron for SNS (Proposed)
  • RRCAT-CERN Collaboration
  • Assistance to University Centers for Accelerator
  • Mangalore University Microtron

6
SCHEMATIC VIEW OF INDUS COMPLEX
Booster Synchrotron (700 MeV) (Started in 1995)
TL-1
Microtron (20 MeV) (Started in 1992)
TL-2
Indus-1 (450 MeV, 100 mA) (Working since 1999)
TL-3
  • Hallmark of Our SRS Program is
  • Intense focus on indigenous development
    qualifying sub systems through home efforts.
  • These include the magnets their power supplies,
    vacuum chambers, ion pumps gauges, beam
    diagnostic accessories, RF driver and control
    systems etc.
  • Vendor development for many high quality
    components for these accelerators.

StatusIndus-2, TL-3 Fully Integrated70 mA
accumulated. Injection _at_550MeV, beam energy
ramped up to 2.4 GeV.
7
700 MeV Booster Synchrotron
Indus-1 Hall, Beam-lines, TL-2 TL-3(Indus-1 is
a 450 MeV 100 mA Storage Ring)
Indus-1 Beam-lines Monochromators used wave
lengths covered (in A)
1. Reflectivity TGM (40 100A) 2. Photo
physics SN (500 2000A) 3. Angle resolved PES
TGM (40 1000A) 4. High resolution VUV Bl
RC (700 2000A) 5. Angle integrated PES TGM
(60 1600A) 6. Photoabsorption (PASS) PGM (17
225A) Under construction
Towards Indus-2
TL-3
TL-2
8
Assembly of Indus-2 Ring in the Tunnel
RF Cavities installed in Indus-2 Ring
Transport Line-3 Joining on to Indus-2
Long Straight Section LS-6 Assembly
9
Beam-lines being built/designed/planned
Range (KeV) Groups
Being built Being built Being built
XRD powder diffraction (Installed) 5 25 RRAT
XRF-microprobe 2 20 RRCAT
Energy Dispersive XRD () 10 70 BARC
EXAFS (Installed) 5 20 BARC
Grazing incidence mag scattering () 5 15 SINP, Kolkatta
PES (With high resolution at 6keV) () .8 - 15 BARC
Small angle X-ray scattering (SAXS) 8 - 16 BARC IGCAR
Being designed Being designed Being designed
Protein Crystallography 6 25 BARC UGC-DAE-CSR
White-beam lithography 1 10 RRCAT
MCD/PES on bending magnet 0.03 4 UGC-DAE-CSR
Medical imaging beam-line 10 35 BARC UGC-DAE-CSR
Planned Planned Planned
IR-beam-line 2 100 ?m BARC
Undulator-MCD 0.1 1.5 RRCAT
X-ray beam diagnostics 6.2 RRCAT
Visible beam diagnostics Visible RRCAT
( Action towards beam line installation in
experimental hall has started )
10
Major Events in 2006 (VI)- EXAFS BL Installed
11
Major Events in 2007 (I)- Work on PES BL Started
Main parameters Energy range 0.85 keV
to 15 keV, Resolution
10-4 Overall Pressure lt 5x10-10
mbar Crystals (1) Si (111), 2d
6.271 Å ,
(2) Beryl (1010), 2d 15.954 Å Spot on Sample
250 mm x 250 mm
  • Salient Features
  • Home built DCM, slit assemblies
  • HSA for electron-energy analysis.
  • All subsystems computer controlled.
  • Sample temperature 10 - 1100 K.
  • Insitu thin film preparation facility.
  • Pre-characterization by LEED/ AUGER
  • Arrangement for depth profiling.
  • Software developed for data acquisition
  • and analysis.

12
  • SCRF RD Activity International Collaborative
    Program on
  • ILC/X-FEL
  • at
  • Raja Ramanna Centre for Advanced Technology,
    Indore, India

13
New Programs Related to ILC / SCRF Cavity
Development at RRCAT
  • Participation in International Collaboration
  • Development of SCRF Cavity Associated
    Technology their Applications.

14
  • International Collaborative Program on ILC/X-FEL
  • at
  • Raja Ramanna Centre for Advanced Technology,
    Indore, India
  • The ILC RD activities at RRCAT form part of
    bigger program of Indian DAE Institutes. It
    encompasses
  • Indian participation in accelerator design for
    ILC.
  • Superconducting Materials R D for SRF
    Acceleration related research.
  • Superconducting Radio Frequency (SRF)
    Acceleration Science and Technology, including
    setting up test facilities that would be useful
    for High Current Proton Driver.
  • General Accelerator Science and Technologies,
    including conventional and Free Electron Lasers.
  • Partner institutes
  • (Indian DAE) RRCAT, BARC, VECC, TIFR (Others)
    IUAC DU.
  • (Overseas) FNAL, SLAC, USA KEK, Japan

15
Areas of Collaboration Superconducting RF
Cavities and Cryomodules for ILC/X-FEL. High
Intensity Proton Accelerator other facilities
using similar SRF Technology. All Solid State
Long Pulse Modulator Technology. 1.3 GHZ RF Test
Stand with Waveguide Distribution.
Background Indian Institutes and FNAL have been
collaborating on High Energy Physics Fixed Target
Experiments (E706 and D0) since 1985. India has
contributed to LHC CMS, ALICE detectors at
CERN. India has Observer State status at
CERN. India is contributing to CLIC Test
Facility3 Linac4 at CERN.
16
RD Methodology for Development of SCRF Cavity
  • Design SC-RF cavity structures beam physics.
  • Fabricate SC-RF cavity structures also try new
    designs.
  • Establish facility for Chemical and thermal
    treatments of SC-RF cavities .
  • Evaluate and characterize superconducting
    materials.
  • Establish Cavity testing characterization
    facility
  • Study Surface science of superconductors New
    materials for SCRF Cavities.
  • Pursue RD in cryogenics RF aspects.

17
Activity on SCRF Cavity Structure (Kick-off)
  • Development of 1.3 GHz TESLA Type single cell
    cavity
  • Structure design
  • Die punch Design for cavity half cell
  • Tooling Development for cavity half cell
    machining
  • RF Frequency measurement
  • Welding setup for Single Cell Cavity
  • Frequency tunning setup for single cell

18
Simulation of Single Cell SCRF Cavity
Electric field along the axis
Magnetic field along the axis
Electric field along the axis
Magnetic field along the axis
Cool down from 300 -2K
19
Forming Simulation of Half Cell
20
First Attempt of Forming of 1.3 GHz Half Cell in
Copper
Forming of Half Cell in 3 mm Cu Sheet
Forming Die Punch
21
New Additional Facilities Planned to be Set Up
at RRCAT
Put up SCRF cavity fabrication infrastructure
(like, Hydraulic Press, Facility to make parts of
Nb cavities, EBW Machine etc.), plus chemical
processing facilities ( eg, EP/BCP/BP, HPR
Annealing Furnaces etc.), assembly testing set
up. (Clean-room, Test cryostats, RF sources etc.)
Add to cryogenic infrastructure, (Bigger Liquid
He Plant, Liquid N2 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) new set ups
(UTM, Eddy Current Scanner, SIMS, SEM Auger
Spectroscope etc.) Build an infrared source to
give coherent radiation at wavelengths down to
30 microns, using a superconducting
post-accelerator.
22
Plan for SCRF Cavity Processing / Clean Room
Facility
Proposed Clean Room Facility Proposed Clean Room Facility
Class-10 75 100 sq m
Class-100 125 sq m
Class-1000 80 sq m
Class-10,000 250 sq m
23
Proposed EBW Facility
  • Major Specifications
  • Electron Gun 15 kW 70 kV,
  • Welding chamber 3000 mm (L) x 1000 mm (W) x 1200
    mm (H) with two Cryogenic pumps and run out
    platform.
  • Y axis, by the Electron Gun, 200 mm travel, CNC
    controlled.
  • X axis, by the worktable, 1300 mm travel, CNC
    controlled.
  • CNC Rotary Manipulator with tail stock
  • Tilting system, 0 to 90
  • General Control System with CNC

24
Engineering Facilities at RRCAT
4 axis - Turn Mill CentreUP-65 Spinner,
GermanyWorking Range 210 x 640 mm,8-Live tools,
C-AxisPositional accuracies lt 1 micron, Run-out
lt 1 micronCNC- Siemens 840D with AUTO turn
3-Axes coordinate measuring machine Measuring
capacity-600 x 500 x400 mm, Measuring
Accuracies Linear-1.5 L/300 micron.,
Vol.-2L/250 micron. CNC Controller, Free
form Digitizing.
Hydraulic Press Hydraulic press capacity 100 T
Main table size of press
1000mm x 800mm. Working height is 710mm.
Die cushion tonnage30
tons, stroke 150 mm
25
Cryogenics Facility at RRCAT
Liquid Helium Plant
Liquid Helium Plant Make M/s Linde Model
TCF 20 Installed capacity 40 Lit/ hr Annual
production 70,000 liters (on user requirement)
Liquid Nitrogen Plant
Liquid Nitrogen A) Liquid Nitrogen Plant Make
M/s Linde Model Linit 50
Installed capacity 40 Lit/ hr B) Liquid
Nitrogen Plant Make M/s Philips Installed
capacity 20 Lit/ hr Annual Consumption
touches 60,000 liters
26
4.2 K Cryogenic Test Station
For LHC 2000 magnets tested at 4.2 K in a
duration of about 3 years
To meet the requirement Testing facility was
developed with magnet testing Capacity of 100
Magnets/ month
27
Sextupole Corrector Magnet (MCS) 1142 Nos
Decapole- Octupole Corrector Magnet (MCDO) 636
Nos
28
Future Plans for Enhancement of Cryogenics
Facility at RRCAT
  • Approx. 200 lit/hr Liq Helium Production/ with
    Approx. 5,000 10,000 Lit storage
  • Development of 2K Test Cryostats
  • Development of SCRF cavities testing facility
  • Approx. 400 lit/hr Liquid Nitrogen Production

29
  •  Ongoing RD on SC Materials Useful for
    Accelerators
  • RRCAT Team is studying differently processed
    Technical- Nb materials. Idea is to find out what
    all enhances or degrades SC properties, to help
    build cavities with highest gradient.
  • Later try new materials MgB2 , Nb3Sn, V3Si ,
    MoRe-alloys etc.
  • Questions being asked
  • Is there any definite dependence of Hcritical
    on,
  • the methods of sample preparation, grain size ?
  • the surface treatment EP versus BCP ?
  • the annealing temperature and time ?
  • Experimental tools used
  • Magnetometry SQUID magnetometer and VSM.
  • Surface studies SEM.
  • Thermal properties thermal conductivity Sp.
    Heat.
  • RF surface resistance measurement Future plan.

30
Experimental Facilities at RRCAT for
Superconducting Materials
  • 16 Tesla Cryo-magnet with variable temperature
    insert (Oxford Instruments, UK) for transport
    properties measurements.
  • Thermal properties (specific heat, thermal
    conductivity, thermoelectric power) measurements
    system (PPMS, Quantum Design, USA) in the
    temperature range 2-300 K and in the presence of
    magnetic fields up to 9 Tesla.
  • Home made ac-susceptibility measurement system in
    temperature range down to 77K. This facility is
    now extended to 4.2K using a new helium cryostat.
  • Temperature dependent electrical conductivity
    measurements down to 77K using liquid nitrogen
    cryostat and down to 35K using an indigenously
    made closed cycle refrigerator.
  • Home made Differential Scanning Calorimeter (DSC)
    working down to 77K.
  • Argon arc furnace for synthesis of metallic
    alloys and intermetallic compounds

31
Thank You
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