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CLIC structure collaboration meeting

CLIC structure collaboration meeting. G. Riddone, AB-RF 2008.07.04. Agenda . Status of the production and test program (CERN, KEK, SLAC) Testing of PETS (CERN, SLAC) Design of quadrants and disks (KEK) Pulse compressor for Nextef at KEK. Status – x-band ac. structures .

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CLIC structure collaboration meeting

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  1. CLIC structure collaboration meeting G. Riddone, AB-RF 2008.07.04

  2. Agenda • Status of the production and test program (CERN, KEK, SLAC) • Testing of PETS (CERN, SLAC) • Design of quadrants and disks (KEK) • Pulse compressor for Nextef at KEK

  3. Status – x-band ac. structures

  4. CLIC vg1 quadrant damped TD18_vg2.4_quad#3 • For the preparation decision to follow the same procedure as SLAC for the disk version • Done at CERN: dimensional control, Rf check, cleaning, assembly test  shipping to SLAC on 24.06 • To be done at SLAC: heat treatment, brazing of the cooling pipes, SEM, baking, final assembly, rf checks • CERN agreement on additional SLAC costs • Question: Tuning (yes/no)  decision postponed after heat treatment • Heat treatment at CERN done for #1 (same cycle as for SLAC)  then rf check, dimensional control, tuning test

  5. C10 damped structures Cern agreement

  6. CLIC vg1 structures

  7. Status - PETS Received bars for 12 GHz test  Dimensional control: OK (+/- 10 mm)

  8. PETS 11.4 GHz w/o damping mat. • Done at CERN before shipping to SLAC • Dimensional control of two bars • Brazing and preparation of the couplers • Assembly test • Rf check • Cleaning of all pieces • EB welding of the bars • Tank and couplers assembly • Final EB welding: 07.07 • rf test + UHV test PETS shall be shipped to SLAC in CW28 at the latest

  9. 11.4 GHz Loads (x4) for KEK 11.4 GHz Loads (x4) for KEK 2 with KEK flanges and 2 with SLAC flanges • Rf design done • Mechanical design done • Call for tender under way • Fabrication: by end of October • Supply of the material: shipped to CERN, not received yet SLAC flanges: pieces available at CERN, brazing and assembly by end of July

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