Towards a plasma wake-field acceleration-based linear collider |
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Authors: | J. Rosenzweig N. Barov A. Murokh E. Colby P. Colestock |
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Affiliation: | aDepartment of Physics and Astronomy, UCLA 405 Hilgard Ave., Los Angeles, CA 90095-1547, USA;bFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA |
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Abstract: | A proposal for a linear collider based on an advanced accelerator scheme, plasma wake-field acceleration in the extremely nonlinear regime, is discussed. In this regime, many of the drawbacks associated with preservation of beam quality during acceleration in plasma are mitigated. The scaling of all beam and wake parameters with respect to plasma wavelength is examined. Experimental progress towards high-gradient acceleration in this scheme is reviewed. We then examine a linear collider based on staging of many modules of plasma wake-field accelerator, all driven by a high average current, pulse compressed, RF photoinjector-fed linac. Issue of beam loading, efficiency, optimized stage length, and power efficiency are discussed. A proof-of-principle experimental test of the staging concept at the Fermilab test facility is discussed. |
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