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European Design Study Towards a Global TeV Linear Collider

Final Report Summary - EUROTeV (European Design Study Towards a Global TeV Linear Collider)

The activities of 'European Design Study Towards a Global TeV Linear Collider' (EUROTeV) have shaped the research landscape for the Linear Collider in Europe over the past four years. EUROTeV encompassed the efforts of the two large communities ILC and CLIC that advance this access path to high-energy physics using colliding e+e- beams. The establishment of a design study enabled the relevant work to be completed in an environment that was amenable to the complexity of the studies and of the international structures of the programmes.

The design study EUROTeV embraced the intellectual European expertise for the development of the International Linear Collider (ILC) and provided the synergies to advance the beam dynamics, diagnostics and stabilisation concepts for CLIC. EUROTeV has provided the core of the European contribution to the reference design report of the ILC except for the superconducting acceleration technology which purposely was excluded from the activities of the studies.

The results of the studies entered the reference design report and the studies continued where adequate. Following the completion of the reference design report the activities continued into the technical design phase of the ILC. CLIC studies continued and were geared towards the completion of the conceptual design report of the machine which is currently planned for 2010.

It proved to be a tremendous advantage that EUROTeV was able to adapt to the changing needs of the global design effort that coordinated the worldwide effort for the ILC. An example can be seen in the layout of the beam delivery system for the ILC: starting from two interaction regions with 2 mrad and 20 mrad crossing angles the design evolved to a single 14 mrad crossing angle. While these numbers seem small the impact on the beam extraction is considerable. The respective working group was able to adapt to these changing requirements.

In summary EUROTeV enabled the European partners interested in advancing the design of the Linear Collider to explore the options for the design of such a machine in the worldwide effort. Given the constraints of research budgets worldwide and the demands in high energy physics related to the swift commissioning of the LHC the resources of the European Commission united the European effort and made a significant and shaping role for the worldwide effort towards a Linear Collider.

All results of EUROTeV are publicly available from the web page http://www.eurotev.org. The most relevant achievement is the European Contribution to the reference design report for the ILC available from http://www.linearcollider.org/cms/?pid=1000437. This report is the basis for further design specification of the linear e+e- collider based on superconducting technology.

At the same time EUROTeV enabled significant progress in the studies for the CLIC, the two beam acceleration proposal based on X-band technology. The CLIC collaboration aims to produce a conceptual design report for the machine by 2010. Many of the studies of EUROTeV will contribute to that report.

The ILC will be built by an international collaboration. It will be hosted in one of the regions Asia, Europe or America. The other regions will contribute to its design, construction and operation.