2.  Installation: equipment, waveguides, water cooling, local cabling  Upgrade of LEP equipment  Contract follow up: new klystrons, spare circulators  Reliability is a key issue here: RFQ commissioning, phase adjustment

3. WR 2300, L = 1500 mm, r1=70mm, r2 = 40mm VSWR ≈ 1.2 [depth 0 -> 100 mm] S 11 ≤ -30 dB [depth 0 -> 90 mm] Range: ≈ max 60˚ phase adjustment / phase tuners graphic user interfaces (GUI)

4. D. Glenat  System performed very well: Did not limit the evolution of peak or integrated luminosity Better performance than in 2011  Some “weaknesses” have been identified To do list 8 klystrons replaced (new boilers + age profile) HV bunkers equipped with new air cooling systems New klystron heating system Oil tests and reconditioning HV cable repair campaign Thyratron replacement DCCT and tetrode replacement R&D in progress Maintenance …

5. o Very simple circuit o No cooling (±10W) o 90 litters oil volume o Sophisticate circuit o Water/oil Cooling o 350 litters oil volume o Limited lifetime  Solid State device has better performances than the thyratron  Validated during 2012 running period  In series production

6. Zone with welding defect  Klystron filament glitches responsible for frequent RF trips during operation  Procedure validated to re-weld the connectors without damaging the insulation material  Campaign in LHC will soon be launched

7. Zone with welding defect  Equipment used in LHC are no longer produced by industry  Development of a FPGA based electronic located in HV modulator  Evaluation tests in progress

8. Zone with welding defect  Presented at the BE-KT day, June 3 rd 2013  Agreement between CERN and an external company (Microstep-MIS- Slovak Rep.) to transfer the knowledge

9. Sample Testing with the Quadrupole Resonator Research Highlight: Slow cooling across T c mitigates flux trapping in bulk niobium and reduces its residual losses. Research Highlight: Slow cooling across T c mitigates flux trapping in bulk niobium and reduces its residual losses. High resolution measurements of the surface resistance Testing of models for SRF loss mechanisms Studies of new materials and niobium treatments

10. Zone with welding defect  CTF3 operation (11 S Band and 1 L Band power sources)  Thirteen PETS tanks installed and commissioned  Full beam transport to end-of-line spectrometer  Power produced (70 MW/PETS): fully consistent with expectations  Max power produced: 720 MW (12 PETS)  Max deceleration: ≈ 36% TBL line in CLEX Beam deceleration, measured in spectrometer and compared with expectations

11. Zone with welding defect  Contract (almost) placed with industry for 1 GHz high efficiency klystron  Gun  Sub-harmonic buncher  Beam dynamics

12. Zone with welding defect  Xbox1 reliably working for most of the year  Two structures successfully tested  Test bed for:  LLRF systems  Conditioning and breakdown detection algorithm  Diagnostic tool development Test Stand produces reliable results comparable to KEK

13. Zone with welding defect  Xbox2: Second X-band test bench in bld 150  Modulator installed  Klystron in validation tests at SLAC  Commissioning: Spring ‘14

14. Zone with welding defect  Based on high repetition, low power klystrons  Contract for klystron&modulators placed in August (Toshiba)  Integration work has started

15. Zone with welding defect  Cavities shipped to:  Pakistan, London, Edinburgh, Madrid, Rome, Berlin, Poland, Norway, Hungary, Denmark, Cern,... CERN, Bld 182 London Science Museum