Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider

Strong beam-beam effects at the interaction point of a high-energy e^{+}e^{-} linear collider such as the Compact Linear Collider (CLIC) lead to an emittance growth for the outgoing beams, as well as to the production of beamstrahlung photons and e^{+}e^{-} coherent pairs. In this paper, we present...

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Main Authors: Arnaud Ferrari, Volker Ziemann, Robert B. Appleby, Michael D. Salt
Format: Article
Language:English
Published: American Physical Society 2009-02-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.12.021001
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spelling doaj-d450411df1e14f2b887f7a16d4fd7efe2020-11-25T00:50:37ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022009-02-0112202100110.1103/PhysRevSTAB.12.021001Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear ColliderArnaud FerrariVolker ZiemannRobert B. ApplebyMichael D. SaltStrong beam-beam effects at the interaction point of a high-energy e^{+}e^{-} linear collider such as the Compact Linear Collider (CLIC) lead to an emittance growth for the outgoing beams, as well as to the production of beamstrahlung photons and e^{+}e^{-} coherent pairs. In this paper, we present a conceptual design of a 150 m long post-collision extraction line for the CLIC machine at 3 TeV, which separates the various components of the outgoing beam using a vertical magnetic chicane, before transporting them to their respective dump. In addition, detailed studies are performed in order to compute the power losses along the CLIC post-collision line. For the vacuum window at the exit of the post-collision line, we propose a thick (1.5 cm) layer of carbon-carbon composite, with a thin (0.2 mm) aluminum leak-tight foil. The stress levels in this exit window are estimated. Finally, we discuss the use of diagnostics along the post-collision line for monitoring and improving the quality of the e^{+}e^{-} collisions and, in turn, the luminosity of the CLIC machine.http://doi.org/10.1103/PhysRevSTAB.12.021001
collection DOAJ
language English
format Article
sources DOAJ
author Arnaud Ferrari
Volker Ziemann
Robert B. Appleby
Michael D. Salt
spellingShingle Arnaud Ferrari
Volker Ziemann
Robert B. Appleby
Michael D. Salt
Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
Physical Review Special Topics. Accelerators and Beams
author_facet Arnaud Ferrari
Volker Ziemann
Robert B. Appleby
Michael D. Salt
author_sort Arnaud Ferrari
title Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
title_short Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
title_full Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
title_fullStr Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
title_full_unstemmed Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
title_sort conceptual design of a beam line for post-collision extraction and diagnostics at the multi-tev compact linear collider
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2009-02-01
description Strong beam-beam effects at the interaction point of a high-energy e^{+}e^{-} linear collider such as the Compact Linear Collider (CLIC) lead to an emittance growth for the outgoing beams, as well as to the production of beamstrahlung photons and e^{+}e^{-} coherent pairs. In this paper, we present a conceptual design of a 150 m long post-collision extraction line for the CLIC machine at 3 TeV, which separates the various components of the outgoing beam using a vertical magnetic chicane, before transporting them to their respective dump. In addition, detailed studies are performed in order to compute the power losses along the CLIC post-collision line. For the vacuum window at the exit of the post-collision line, we propose a thick (1.5 cm) layer of carbon-carbon composite, with a thin (0.2 mm) aluminum leak-tight foil. The stress levels in this exit window are estimated. Finally, we discuss the use of diagnostics along the post-collision line for monitoring and improving the quality of the e^{+}e^{-} collisions and, in turn, the luminosity of the CLIC machine.
url http://doi.org/10.1103/PhysRevSTAB.12.021001
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