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Welcome !

The 2 nd Asia ILC R&D Seminar (September 29-30, 2008) ATF2 Project Meeting (Oct. 1, 2008). Welcome !. Dongchul Son Center for High Energy Physics Kyungpook National University. Daegu, Korea September 29- October 1, 2008.

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Welcome !

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  1. The 2nd Asia ILC R&D Seminar (September 29-30, 2008) • ATF2 Project Meeting (Oct. 1, 2008) Welcome ! Dongchul Son Center for High Energy Physics Kyungpook National University Daegu, Korea September 29- October 1, 2008

  2. School of Physics and Energy Science & Center for High Energy Physics • School of Physics and Energy Science • From 2005 we have Physics Major and Energy Science Major which includes HEP, nanophysics and • Nuclear Engineering, Accelerator Physics, Energy Chemistry/Material for Hydrogen Energy / Solar Energy • CHEP was established July 1, 2000 • Major project being supported by MOST through KOSEF • The “High Energy Physics” is a top-downed field for the Center of Excellence (COE) Program by MOST/KOSEF • Hosted by Kyungpook National University, Daegu

  3. Brief Introduction • Manpower • COE program supports 20~22 faculty members from • Kyungpook NU and participating major universities, i.e., • Seoul NU, Korea Inst. of Advanced Study • Korea Adv. Inst. of Sci. and Tech, • Ewha Women U, Yonsei U, Korea U, Konkuk U, SKKU, • Chonnam NU, Chonbuk NU, Gyeongsang NU, Pusan NU • Postech • Other several HEP projects underway • Total ~150 people including ~90 Graduate Students (a little decreased) • At Kyungpook NU, 30 Ph. D. (15 faculty and 15 associates) are in the fields of High Energy Particle and Nuclear Physics as well as Accelerator Physics

  4. Research Projects I • On-going experimental works and related theoretical works • High Luminosity electron-positron exp at KEK: Belle • Discovery of X (3872) particle, etc., Computing over Network • At KNU: Profs. Hwanbae Park, Hongjoo Kim, Dr. S Ryu and students • Proton-Antiproton scattering exp at Fermliab, US : CDF • At KNU: Profs. Donghee Kim, J S Suh, Drs. D J Kong, J Kim and students • Neutrino Osc Exp at KEK & Super-K in K2K, Super-K, T2K • No KNU team • ep : CLAS at JLab, (ZEUS at DESY, now closed) • At KNU: Profs. Wooyoung Kim, two research associates (CLAS), D. Son (ZEUS) • Theoretical works: Higgs, SUSY, Superstrings, B Physics • At KNU: Profs. S Jo, C Ahn, H Choi, Seung Woo Ham cf) Previous Exps.: AMY at KEK, BNL E818, L3 at CERN, AMS01

  5. Research Projects II • Preparing experiments • p-p collisions at 14 TeV with Compact Muon Solenoid (CMS) • DAQ, Data Center, Analysis • At KNU: Profs. D Son, D Kim, GN Kim, HK Park, JS Suh, Drs. S Ro, J Chung, DJ Kong, J Kim, MW Lee, KS Kim, SW Ham • Outer-space HEP exp (AMS) at the International Space Station (ISS) • Superconducting Magnet (Control, Power), TRD, SRD • At KNU: Profs. D Son, GN Kim, Drs. MW Lee, KS Kim & students • Reactor Neutrino Exp and other neutrino/Dark matter/double beta decay experiments: • At KNU: Profs. D Kim, W Kim, HK Park, HJ Kim, and research associates, students

  6. Research Projects III • Preparing experiments (Continued…) • International Linear Collider (ILC) Accelerators • Bunch compressor, Damping Ring. Superconducting Cavity / Klystron, BPM, etc. • At KNU: Profs. Eun-San Kim, Hyeong Suk Kim, Drs. S Shin, I Hwang • ILC Detectors: Silicon Tracker, Scintillators for Calorimeter, etc. • At KNU: Profs. H Park, HJ Kim, H. Kim, D Kim, JS Suh, etc. • Data Grid Computing, High Speed Bandwidth Networking etc. • At KNU: Prof. HK Park, JS Suh, D Son, Dr. JH Chung, S Ro and Mr. D Han

  7. A Vision of Future Korean HEP Facilities Dark Matter Research Lab Yangyang Underground Reactor Exp - Younggwang Underground Neutrino Exp ? - T2KK candidate nm Proton Accelerator at Gyeongju Under construction

  8. R&D Efforts for ILC in Korea

  9. Some history for ILC • A Planning Team formed at CHEP (March 2004) • Korean ILC Workshops (4 times + 3 mini-workshops) • PAL ILC Task Force (Jan 2005) formed • Strategic Plannings for ILC (three times) • ILC-Asia MoU (Aug 2005) • CHEP, PAL, KEK, IHEP, TIFR, CAT, IUAC • ILC-Common Fund MoU (Oct. 2006) • Held Several international conferences and workshops • Research Projects; • Int. Coop. Project (P.I.-H. Park) for Physics and Detectors • SRC Projects (Accelerator & Detectors) • Several Committee Activities: • ICFA, ILCSC, ITRP, Parameter, LCWS–WG Coordinators • LCWS 2002 (Jeju) • 8th ACFA LCWS (Daegu 2005) • Committees: ITRP(Pohang 2004) and ILCSC, ICFA, FALC-RG during ICFA Seminar (Daegu 2005) • ILCSC, ICFA, FALC-RG during LP07 (Daegu ) • Ecloud’07 (Daegu) • And this workshop

  10. Through for 4 ILC Workshops in Korea and 3 Strategy Reports (2005-2008) • We have identified some major R&D areas for ILC • Detector areas; • Silicon Tracker • Silicon/Tungsten Calorimeter • Plastic Scintillator/Tungsten Calorimeter • Accelerator areas; • Bunch Compression System • Damping Ring • BPMs • RF systems • Modulators and RF waveguide for ILC • SCRF

  11. On-going R&D’s for Detectors • Studies for Silicon Vertex Detector Design • Studies for Silicon Central/Forward Tracker Design • KNU, YU, SKKU, HU • Calorimetry • Si-Scintillator • EWU, YU, SKKU • Extruded type of Plastic Scintillator • KNU KNU: Kyungpook Nat’l U. EWU: Ewha Women’s U. YU: Yonsei U. SKKU: Sungkyunkwan U., HU: Hanyang U.

  12. EM CalorimeterSilicon Sensors

  13. Plastic Scintillator

  14. Silicon Sensors for Trackers

  15. Silicon Sensors for Trackers

  16. Silicon Sensors for Trackers

  17. Silicon Sensors for Trackers

  18. R&D for ILC Accelerator Technology • Pohang Accelerator Laboratory • SCRF for Pohang Light Source (single cell, 9-cell) • KEK-ATF2 Q-BPM Design and Fabrication • Prototype/2005, 11 BPMs/2006, 28 MBPs/2007 • Kyungpook National University • Pusan National University • Fabrication of Prototype of ILC Cavity BPM for ATF in TM120

  19. Prototype 3rd Harmonic SRF Cavity for PLS Prototype 3rd H Cavity Cavity Performance from vertical test @1500MHz First SRF Cavity developed in Korea !!

  20. Fabrication of 9-cell Cavity - PAL #1 and 2

  21. Construction of SRF Test Lab at PAL • Lab. capability • Frequency: 1.25-1.55 GHz • RF Power: ~100 W • Temperature control: 4.5-1.5 K • Test cryostat for cavity with 1-3 cells @1.3GHz • Schedule • Construction & installation: July 2006 - July 2008 • Commissioning with single-cell cavity: February 2008 • Normal operation: March 2008 • Finish with EP facility: December 2008

  22. Systems for SRF Test at PAL Test Cryostat

  23. KEK-ATF2 Q-BPM Design and Fabrication at PAL • Prototype –Y2005 • Cavity Diameter : 53.822 mm • Cavity frequency: ~ 6420 MHz • Isolation : -50 ~ -53dB • Beam Test at KEK(12/2/) • Overall Performance: Acceptable • 11 BPMswith Long beam tube –Y2006 • Cavity Diameter : 53.788 mm • Cavity frequency : 6425.476 MHz • Isolation : -46.6 dB • 28 BPMswith Long beam tube –Y2007 • Cavity Diameter : 53.770 mm • Cavity frequency : 6426.649 MHz • Isolation : -46.3 dB

  24. Development of Low-Q IP-BPMKyungpook

  25. Installation and Tests

  26. S-band BPM in ATF2 Kyungpook • What for with this BPM(beam position monitor) ? • To control beam orbit at final focus beam line in ATF2 • To do BBA(beam-based alignment) with 1 mm at final focus beam line in ATF2 (BPM resolution of a few hundreds nm should be satisfied.) • Requirements for the BPM • Dynamic range ; a few mm • Diameter of beam tube ; 40 mm • Signal decay time ; 35~ 80 ns (where, f= 2878 MHz, QL = 650~1800, longer decay time will is preferred for the electronics)

  27. Waveguide Cavity Coupling slot Beam tube 117.6 3 60 12 70 Design of S-band BPM w/ HFSS Mode selection for the S-band BPM (TM110-mode) Dipole mode Electrical structure & dimension parameters of S-band BPM Adapter Beam tube 40 14 Waveguide Cavity

  28. Left_Cap Left_Support Center_Frame Right_Cap Fabrication of S-band BPM S-band BPM under RF test - 4 BPMs has been shipped to KEK last week S-band BPM framework Cold model

  29. Fabrication of S-band BPM • Design and fabrication of S-band BPM for the sextupole magnets and quadrupole magnets has been performed in Korea (at Kyungpook) • 1 cold model of the S-band BPM has been sent to LAPP for an initial try for the installation, April, 2008. • 4 S-band BPMs are sent to KEK to be installed in ATF2 last week. • The installation process will be scheduled next month through the ATF2 people. Machine Shop at KNU

  30. Design work of IOT for ILCKyungpook • Planar IOT (Inductive Output Tube) • Horizontal Design • L-band (1.3GHz) 5MW Tube • Calculation of Design Parameters • Feasible RF interaction Cavity S-parameters of L-band HOM IOT Ez field in the interaction region f(cold)=1.1GHz (MAGIC) L-band HOM IOT Cavity H field in the interaction region

  31. dipole mode electric field (TM120 mode) Cavity Beam Position MonitorPusan National University with KEK Cavity radius=156mm TM010 ~0.611GHz TM110 ~1.04GHz TM120 ~2.15GHz z z y y x x

  32. Please Enjoy the meeting and Daegu and Thank you!

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