LHCb Hybrid to Pedestal
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30-Dec-2015Category
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LHCb Hybrid to Pedestal. John Carroll. Metrology. Top of Silicon. This side is Paddle and R side. R to Phi face to face Width 1.995mm. R to Phi face to face Width 2.017mm. Tilt on left side From CL 0.367mm. Tilt on right side From CL 0.443mm. Hybrid. Tilt of Hybrid. - PowerPoint PPT Presentation
Transcript of LHCb Hybrid to Pedestal
LHCb Hybrid to PedestalJohn Carroll
Metrology
Top of Silicon
This side is Paddle and R sideR to Phi face to faceWidth 2.017mmR to Phi face to faceWidth 1.995mmTilt on left sideFrom CL 0.367mmTilt on right sideFrom CL 0.443mm
Hybrid
Tilt of HybridLeft side leans 221m Right side leans 216 m
?
Detector Plane
-53m0m-10m+172m
Top of Paddle
Position of Face
Nominal distance from CL to face 0.56mmDistance on existing Pedestal 0.44mm
Summary1)Hybrid leans ~220 m (away from paddle)2) Paddle face offset in Z by 120 m3) Existing twist in hybrid (for hybrid #45 70 m)4)Accuracy of video measurement using focus 10 m
