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Crystal collimation as an option for the LHC

W. Scandale

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Abstract

We demonstrate that channeling in a crystal can serve as a primary scraper for the collimation system of the Large Hadron Collider. It has been proven both experimentally and in Monte Carlo simulations that crystal as a scraper meets all technical requirements imposed on the LHC collimation system. Crystal scraper works in efficient, predictable, reliable manner with beams of very high intensity over years. If used as a primary element in the LHC collimation system, crystal makes the machine cleaner by a factor of 10 due to channeling with efficiency of about 90% - the figure already demonstrated experimentally at 70 GeV and in simulations for the LHC and Tevatron.

About this research paper

What this paper is about

We demonstrate that channeling in a crystal can serve as a primary scraper for the collimation system of the Large Hadron Collider. It has been proven both experimentally and in Monte Carlo simulations that crystal as a scraper meets all technical requirements imposed on the LHC collimation system. Crystal scraper works in efficient, predictable, reliable manner with beams of very high intensity over years. If used as a primary element in the LHC collimation system, crystal makes the machine cleaner by a factor of 10 due to channeling with efficiency of about 90% - the figure already demonstrated experimentally at 70 GeV and in simulations for the LHC and Tevatron.

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Available abstract

We demonstrate that channeling in a crystal can serve as a primary scraper for the collimation system of the Large Hadron Collider. It has been proven both experimentally and in Monte Carlo simulations that crystal as a scraper meets all technical requirements imposed on the LHC collimation system. Crystal scraper works in efficient, predictable, reliable manner with beams of very high intensity over years. If used as a primary element in the LHC collimation system, crystal makes the machine cleaner by a factor of 10 due to channeling with efficiency of about 90% - the figure already demonstrated experimentally at 70 GeV and in simulations for the LHC and Tevatron.

Key concepts: Large Hadron Collider, Collimated light, Tevatron, Crystal (programming language), Monte Carlo method, Collimator, Physics, Collider

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