The Compact Linear Collider (CLIC) – Project Implementation Plan

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The Compact Linear Collider (CLIC) is a TeV-scale high-luminosity linear e+e- collider under development by international collaborations hosted by CERN. This document provides an overview of the design, technology, and implementation aspects of the CLIC accelerator. For an optimal exploitation of its physics potential, CLIC is foreseen to be built and operated in stages, at centre-of-mass energies of 380 GeV, 1.5 TeV and 3 TeV, for a site length ranging between 11 km and 50 km. CLIC uses a Two-Beam acceleration scheme, in which normal-conducting high- gradient 12 GHz accelerating structures are powered via a high-current Drive Beam. For the first stage, an alternative with X-band klystron powering is also considered. CLIC accelerator optimisation, technical developments, and system tests have resulted in significant progress in recent years. Moreover, this has led to an increased energy efficiency and reduced power consumption of around 170 MW for the 380 GeV stage, together with a reduced cost estimate of approximately 6 billion CHF. The construction of the first CLIC energy stage could start as early as 2026 and first beams would be available by 2035, marking the beginning of a physics programme spanning 25–30 years and providing excellent sensitivity to Beyond Standard Model physics, through direct searches and via a broad set of precision measurements of Standard Model processes, particularly in the Higgs and top-quark sectors.

Authors: Aicheler, M; Burrows, P; Lasheras, N; Draper, M; Osborne, J

• Publication status: Published
• Peer review status: Peer reviewed
• Publisher: CERN Publishing
• Host title: CERN Yellow Reports
• Journal: CERN Yellow Reports
• Volume: 4
• Issue: 2018
• Publication date: 2019-03-20
• DOI: 10.23731/CYRM-2018-004
• EISSN: 2519-8068
• ISSN: 2519-8076