Laser-plasma accelerator group

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Relativistic quantum mechanics

Chapter in Particle Physics in the LHC Era, Oxford University Press (OUP) (2016) 140-180

Authors:

G Barr, R Devenish, R Walczak, T Weidberg
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Static quark model

Chapter in Particle Physics in the LHC Era, Oxford University Press (OUP) (2016) 115-139

Authors:

G Barr, R Devenish, R Walczak, T Weidberg
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The Higgs boson

Chapter in Particle Physics in the LHC Era, Oxford University Press (OUP) (2016) 333-355

Authors:

G Barr, R Devenish, R Walczak, T Weidberg
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Weak interactions

Chapter in Particle Physics in the LHC Era, Oxford University Press (OUP) (2016) 181-204

Authors:

G Barr, R Devenish, R Walczak, T Weidberg
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Temporal evolution of longitudinal bunch profile in a laser wakefield accelerator

Physical Review Special Topics: Accelerators and Beams American Physical Society 18:12 (2015)

Authors:

M Heigoldt, A Popp, K Khrennikov, J Wenz, SW Chou, S Karsch, SI Bajlekov, Simon Hooker, B Schmidt

Abstract:

© 2015 authors. Published by the American Physical Society. We present single-shot measurements of the longitudinal bunch profile from a laser-wakefield accelerator with sub-fs resolution, based on detection of coherent transition radiation in a broad spectral range. A previously developed phase retrieval algorithm enables reconstruction of the bunch profile without prior assumptions about its shape. In this study, a variable-length gas target is used to explore the dynamics of bunch evolution. Our results show that once the laser energy is depleted the time structure of the generated electron beam changes from a single bunch to a double bunch structure, well suited for driver-witness type experiments.
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