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G. Pretzler

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Last Name: Pretzler

Full Name: G. Pretzler

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1 paper
title: Beyond Injection: Trojan Horse Underdense Photocathode Plasma Wakefield Acceleration
format: conference proceeding
conference: AAC 2012 15th
year: 2012
18 authors: B. Hidding | J.B. Rosenzweig | Y.Xi | B. O'Shea | G. Andonian | D. Schiller | S. Barber | O. Williams | G. Pretzler | T. Königstein | F. Kleeschulte | M.J. Hogan | M. Litos | S. Corde | W.W. White | P. Muggli | D.L. Bruhwiler | K. Lotov
abstract: An overview on the underlying principles of the hybrid plasma wakefield acceleration scheme dubbed ”Trojan Horse” acceleration is given. The concept is based on laser-controlled release of electrons directly into a particle-beam- driven plasma blowout, paving the way for controlled, shapeable electron bunches with ultralow emittance and ultrahigh brightness. Combining the virtues of a low-ionization-threshold underdense photocathode with the GV/m-scale electric fields of a practically dephasing-free beam-driven plasma blowout, this constitutes a 4th generation electron acceleration scheme. It is applicable as a beam brightness transformer for electron bunches from LWFA and PWFA systems alike. At FACET, the proof-of-concept experiment ”E-210: Trojan Horse Plasma Wakefield Acceleration” has recently been approved and is in preparation. At the same time, various LWFA facilities are currently considered to host experiments aiming at stabilizing and boosting the electron bunch output quality via a trojan horse afterburner stage. Since normalized emittance and brightness can be improved by many orders of magnitude, the scheme is an ideal candidate for light sources such as free-electron-lasers and those based on Thomson scattering and betatron radiation alike.

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