Future accelerators  updated October 3, 2005  D. Carrigan carrigan@fnal.gov (subject line must be sensible)

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ILC layout

For the near term CERN's LHC will be a fantastic particle collider with enormous promise for exploring particle physics. Beyond the LHC the situation is challenging. An international consortium is now forming to design and build an electron-positron collider,  the International Linear Collider or ILC.  (Earlier versions of ILC were known as Tesla and NLC for Next Linear Collider.) The ILC is different and complimentary to the LHC. This machine will consist of two linacs that collide electrons and positrons head on. The device will explore different areas of particle physics that are not accessible to the LHC. The ILC will be a difficult  project. It is costly  and requires forefront technology. Because of the technology, cost, and world-wide interest in the project it will have to be built and operated by an international consortium. Teams around the world are now involved in the program. A recent plan for the accelerator is shown in the schematic on the left.

Beyond the International Linear Collider the future of particle accelerators is even more challeging. New technologies such as laser or plasma acceleration may be necessary. Whether these technologies can succeed in time to impact and link to our century of science is still open to question.