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Conceptual design of a beam line for post-collision extraction and diagnostics at the multi-TeV Compact Linear Collider
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
2009 (English)In: Physical Review Special Topics. Accelerators and Beams, ISSN 1098-4402, E-ISSN 1098-4402, Vol. 12, no 2, 021001- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2009. Vol. 12, no 2, 021001- p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-117777DOI: 10.1103/PhysRevSTAB.12.021001ISI: 000264273800004OAI: oai:DiVA.org:uu-117777DiVA: diva2:298398
Available from: 2010-02-22 Created: 2010-02-22 Last updated: 2017-12-12Bibliographically approved

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