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IBS (protons at store) as part of APEX during April 12, 2012 - PowerPoint PPT Presentation

Alexei Fedotov 1 IBS (protons at store) as part of APEX during April 12, 2012 Protons at store: contribution from IBS 2 Purpose of this store was to measure polarization during the store without collisions. At the same time it


  1. Alexei Fedotov 1 IBS (protons at store) as part of APEX during April 12, 2012

  2. Protons at store: contribution from IBS 2 • Purpose of this store was to measure polarization during the store without collisions. • At the same time it provided emittance and bunch length measurements which can be compared with the growth expected from IBS (not a dedicated IBS experiment as we did in the past).

  3. 3 April 12, 2012

  4. 4 emittance bunch length

  5. 5 Bunch profiles at the start of the store

  6. IBS simulations 6

  7. Results: IBS in Yellow beam (bunch intensity N=1.6e11) simulation simulation bunch length: 34% in 4 hours emittance: 13% in 4 h emittance bunch length measurement: 14% in 4 h measurement: 25% in 4h

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