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HER LER Specific Luminosity Bucket Dependence. Luminous Region – Z axis.

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Presentation on theme: "HER LER Specific Luminosity Bucket Dependence. Luminous Region – Z axis."— Presentation transcript:

1 HER LER Specific Luminosity Bucket Dependence

2 Luminous Region – Z axis

3 Luminous Region – “X axis” Resolution subtracted (36 um)

4 Luminous Region – “Y axis” Resolution dominated

5 Luminous Region Residual Tilts

6 Boost Trajectory Residual Means

7 Boost Trajectory Spreads

8 Specific luminosity depends upon bucket in the minitrain –Not understood, not solved Luminous z position varies along minitrain –Known RF loading Luminous x-size increases along minitrain by ~ +2 um / 25 bunches –Not large enough to explain lumi drop Boost y-prime varies along minitrain by ~ -20 urad / 25 bunches –Quite small; maybe a detector/systematic effect? Summary


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