'Aperture measurements' diaporamas de présentation

LHC aperture & optics

499 views • 41 slides

LHC aperture checks

LHC Optics Measurements and Corrections Review CERN, Geneva, Switzerland June 17 th- 18 th , 2013. LHC aperture checks. S. Redaelli on behalf of the LHC aperture team: R. Bruce, M. Giovannozzi, J. Wenninger CERN - BE department

334 views • 19 slides

Thursday 27 th October

Thursday 27 th October. 00:57 fill 2257 dumped during squeeze (RQTF.A67B1) 03:52 stable beams fill #2258 4:33 Dumped, problem of LBDS dilution kicker power supply 05:50 MQ27L2 QPS not ok, Access required 08:17 Decide to also change the Beam Dump MKBH-B B2 power converter

218 views • 12 slides

Progress With Commissioning Plan

Progress With Commissioning Plan . ABT/BTP. Transfer Lines Commissioning. TCDI setup at 4.5 sigma around reference orbit: Ok Dispersion mismatch measurements: Ok

231 views • 10 slides

Monday 19 th March

Monday 19 th March. 07:33 Lost (another) beam in the squeeze, beyond 2 m, B2 hits 1/3 resonance. 08:30 Start (another) ramp Try to correct coupling and chromaticity throughout the squeeze 13:40 Lost beam in the squeeze between 0.8 m and 0.7 m, B2 Vertical tune hits 1/3 resonance

151 views • 9 slides