Spectral and spatial characterisation of laser-driven positron beams

Sarri, G. and Warwick, J. and Schumaker, W. and Poder, K. and Cole, J. and Doria, D. and Dzelzainis, T. and Krushelnick, K. and Kuschel, S. and Mangles, S. P. D. and Najmudin, Z. and Romagnani, L. and Samarin, G. M. and Symes, D. and Thomas, A. G. R. and Yeung, M. and Zepf, M. (2017) Spectral and spatial characterisation of laser-driven positron beams. Plasma Physics and Controlled Fusion, 59 (1). ISSN 0741-3335

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The generation of high-quality relativistic positron beams is a central area of research in experimental physics, due to their potential relevance in a wide range of scientific and engineering areas, ranging from fundamental science to practical applications. There is now growing interest in developing hybrid machines that will combine plasma-based acceleration techniques with more conventional radio-frequency accelerators, in order to minimise the size and cost of these machines. Here we report on recent experiments on laser-driven generation of high-quality positron beams using a relatively low energy and potentially table-top laser system. The results obtained indicate that current technology allows to create, in a compact setup, positron beams suitable for injection in radio-frequency accelerators.

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Journal Article
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Plasma Physics and Controlled Fusion
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Deposited On:
30 Nov 2016 14:08
Last Modified:
22 Nov 2022 04:08