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SPS Machine as a Vacuum Test Bench for the Electron Cloud Studies with LHC Type Beams

SPS Machine as a Vacuum Test Bench for the Electron Cloud Studies with LHC Type Beams. G. Arduini 1 , V. Baglin 3 , P. Collier 1 , G. Ferioli 2 , B. Henrist 3 , N. Hilleret 3 , B. Jenninger 3 , J.M. Jimenez 3 , J.M. Laurent 3 , K. Weiss 3 , F. Zimmermann 4

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SPS Machine as a Vacuum Test Bench for the Electron Cloud Studies with LHC Type Beams

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  1. SPS Machine as a Vacuum Test Bench for the Electron Cloud Studies with LHC Type Beams G. Arduini1, V. Baglin3, P. Collier1, G. Ferioli2, B. Henrist3, N. Hilleret3, B. Jenninger3, J.M. Jimenez3, J.M. Laurent3, K. Weiss3, F. Zimmermann4 1SL/OP, 2SL/BI, 3LHC/VAC, 4SL/AP CERN, Geneva, Switzerland

  2. FUTURE EXPERIMENTS • Pick-ups - Characteristics and Energy Distribution • e- cloud build-up (4 pick-ups) ok • Energy distribution of the electrons (2 pick-ups) installed • Triggering of the experiments on the LHC batch ok • Behaviour of the electrons in a dipole magnetic field - Spatial Distribution • “strip” detector (1 detector) “ok” • “triangle” detectors (2 detectors, 1 with a filtering grid) installed • Scrubbing effect by measuring in-situ the modification of the secondary electron yield ok • Ions detector to exclude ion stimulated desorption installed • Warm-pack to measure the power dissipated by the e-cloud calibrated

  3. Triangle detector

  4. Strip detector

  5. Strip detector

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