21 December 2009 ECLOUD Simulations for Measurements of 19-20 December 2009 / J.A.Crittenden 1/1

ECLOUD Simulations for Measurements of 19/20 December 2009CTA_2085MEV_20090516, 4-ns spacing, 34 mA total current

Compare to 45-bunch, 14-ns spacing, 0.8 mA/bunch measurements of Feb 2009

Positron beam Electron Beam

45 bunch train0.75 mA/bunch

20 bunch train1.7 mA/bunch

10 bunch train3.4 mA/bunch

21 December 2009 ECLOUD Simulations for Measurements of 19-20 December 2009 / J.A.Crittenden 2/1

ECLOUD Simulations for Measurements of 19/20 December 2009CTA_2085MEV_20090516, 8-ns spacing, 34 mA total current

Compare to 45-bunch, 14-ns spacing, 0.8 mA/bunch measurements of Feb 2009

Positron beam Electron Beam

45 bunch train0.75 mA/bunch

20 bunch train1.7 mA/bunch

10 bunch train3.4 mA/bunch

21 December 2009 ECLOUD Simulations for Measurements of 19-20 December 2009 / J.A.Crittenden 3/1

ECLOUD Simulations for Measurements of 19/20 December 2009CTA_2085MEV_20090516, 12-ns spacing, 34 mA total current

Compare to 45-bunch, 14-ns spacing, 0.8 mA/bunch measurements of Feb 2009

Positron beam Electron Beam

45 bunch train0.75 mA/bunch

20 bunch train1.7 mA/bunch

10 bunch train3.4 mA/bunch