Collimation Working Group #137 Collimator Alignment Controls Patrick Bestmann20/02/2012.

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Presentation transcript:

Collimation Working Group #137 Collimator Alignment Controls Patrick Bestmann20/02/2012

Controls in March 2011 Some collimators have been identified to need re-alignment. Showing an angular misalignment >1.9mrad TCLA.A7R7.B1 TCTH.4L2.B1 TCSG.A5L3.B2 Reasons identified as: conflict with adjacent vacuum chamber Installation protection added on the support IR extremities, dead end extrapolation

Results dy dx ES All 3 collimators showed a rotation around the Z axis

Controls in January 2012 List of collimators to be controlled Beam TCLA.B5R3.B1 TCSG.B5R3.B1 TCSG.A5R3.B1 TCSG.4R3.B1 TCTH.4L2.B1 changed due to X2ZDC Modifications TCTH.4L8.B1 TCSG.D4L7.B1 Beam TCSG.A6R7.B2

Control of the Collimator alignment

Summary

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