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90 m optics commissioning

Abstract : Special β∗ = 90 m optics have been developed for the two very high luminosity insertions of the LHC [1] [2], as a rst step to allow for very low angle precision measure- ments of the proton-proton collisions in the LHC. These optics were developed to be compatible with the stan- dard LHC injection and ramp optics. The target value of β∗ = 90 m is reached by an un-squeeze from the injection β∗ = 11 m. We report about the implementation of this op- tics and the rst experience gained in commissioning with beam during two machine studies.
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http://hal.in2p3.fr/in2p3-00675300
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Submitted on : Wednesday, February 29, 2012 - 5:13:11 PM
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  • HAL Id : in2p3-00675300, version 1

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S. Cavalier, H. Burkhardt, M. Fitterer, G. Müller, S. Redaelli, et al.. 90 m optics commissioning. 2nd International Particle Accelerator Conference (IPAC'11), Sep 2011, San Sebastian, Spain. pp.1795-1797. ⟨in2p3-00675300⟩

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