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2006•CERN Document Server (European Organization for Nuclear Research)Open access

LHC COLLIMATION EFFICIENCY DURING COMMISSIONING

Chiara Bracco, Ralph W. Assmann, A. Ferrari, Stefano Redaelli, G. Robert-Demolaize, M. Santana Leitner, Vasilis Vlachoudis, Th. Weiler

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Abstract

The design of the LHC collimation system requires understanding and maximizing the ultimate performance with all collimators. However, for the commissioning of the LHC it is important to analyze the collimation efficiency with certain subsets of collimators, with increased collimator gaps and relaxed set-up tolerances. Special studies on halo tracking and energy deposition have been performed in order to address this question. The expected cleaning performance and intensity limits are discussed for various collimation scenarios which might be used during commissioning of the LHC.

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What this paper is about

The design of the LHC collimation system requires understanding and maximizing the ultimate performance with all collimators. However, for the commissioning of the LHC it is important to analyze the collimation efficiency with certain subsets of collimators, with increased collimator gaps and relaxed set-up tolerances. Special studies on halo tracking and energy deposition have been performed in order to address this question. The expected cleaning performance and intensity limits are discussed for various collimation scenarios which might be used during commissioning of the LHC.

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Available abstract

The design of the LHC collimation system requires understanding and maximizing the ultimate performance with all collimators. However, for the commissioning of the LHC it is important to analyze the collimation efficiency with certain subsets of collimators, with increased collimator gaps and relaxed set-up tolerances. Special studies on halo tracking and energy deposition have been performed in order to address this question. The expected cleaning performance and intensity limits are discussed for various collimation scenarios which might be used during commissioning of the LHC.

Key concepts: Collimator, Collimated light, Large Hadron Collider, Computer science, Optics, Tracking (education), Halo, Physics

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