EuPRAXIA conceptual design report

Assmann, R.W. and Weikum, M.K. and Akhter, T. and Alesini, D. and Alexandrova, A.S. and Anania, M.P. and Andreev, N.E. and Andriyash, I. and Artioli, M. and Aschikhin, A. and Audet, T. and Bacci, A. and Barna, I.F. and Bartocci, S. and Bayramian, A. and Beaton, A. and Beck, A. and Bellaveglia, M. and Beluze, A. and Bernhard, A. and Boulton, L. and Chen, M. and Clarke, J.A. and Costa, G. and Cowley, J. and Delinikolas, P. and Habib, A.F. and Heinemann, T. and Hidding, B. and Jaroszynski, D.A. and Kirwan, G. and Lee, P. and Li, X. and Li, Y. and Lu, W. and Manahan, G.G. and Murphy, C.D. and Nutter, A. and Rossi, A.R. and Scherkl, P. and Sharma, G. and Sheng, Z.M. and Stella, A. and Sutherland, A. and Ullmann, D. and Wang, K. and Wiggins, S.M. and Zhang, H. and Zhao, Y. and Zhu, J., The EuPRAXIA project (2020) EuPRAXIA conceptual design report. European Physical Journal: Special Topics, 229 (24). pp. 3675-4284. ISSN 1951-6355 (

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This report presents the conceptual design of a new European research infrastructure EuPRAXIA. The concept has been established over the last four years in a unique collaboration of 41 laboratories within a Horizon 2020 design study funded by the European Union. EuPRAXIA is the first European project that develops a dedicated particle accelerator research infrastructure based on novel plasma acceleration concepts and laser technology. It focuses on the development of electron accelerators and underlying technologies, their user communities, and the exploitation of existing accelerator infrastructures in Europe. EuPRAXIA has involved, amongst others, the international laser community and industry to build links and bridges with accelerator science — through realising synergies, identifying disruptive ideas, innovating, and fostering knowledge exchange. The Eu-PRAXIA project aims at the construction of an innovative electron accelerator using laser- and electron-beam-driven plasma wakefield acceleration that offers a significant reduction in size and possible savings in cost over current state-of-the-art radiofrequency-based accelerators. The foreseen electron energy range of one to five gigaelectronvolts (GeV) and its performance goals will enable versatile applications in various domains, e.g. as a compact free-electron laser (FEL), compact sources for medical imaging and positron generation, table-top test beams for particle detectors, as well as deeply penetrating X-ray and gamma-ray sources for material testing. EuPRAXIA is designed to be the required stepping stone to possible future plasma-based facilities, such as linear colliders at the high-energy physics (HEP) energy frontier. Consistent with a high-confidence approach, the project includes measures to retire risk by establishing scaled technology demonstrators. This report includes preliminary models for project implementation, cost and schedule that would allow operation of the full Eu-PRAXIA facility within 8—10 years.


Assmann, R.W., Weikum, M.K., Akhter, T., Alesini, D., Alexandrova, A.S., Anania, M.P., Andreev, N.E., Andriyash, I., Artioli, M., Aschikhin, A., Audet, T., Bacci, A., Barna, I.F., Bartocci, S., Bayramian, A., Beaton, A. ORCID logoORCID:, Beck, A., Bellaveglia, M., Beluze, A., Bernhard, A., Boulton, L., Chen, M., Clarke, J.A., Costa, G., Cowley, J., Delinikolas, P. ORCID logoORCID:, Habib, A.F. ORCID logoORCID:, Heinemann, T., Hidding, B. ORCID logoORCID:, Jaroszynski, D.A. ORCID logoORCID:, Kirwan, G., Lee, P., Li, X., Li, Y., Lu, W., Manahan, G.G. ORCID logoORCID:, Murphy, C.D., Nutter, A., Rossi, A.R., Scherkl, P. ORCID logoORCID:, Sharma, G., Sheng, Z.M. ORCID logoORCID:, Stella, A., Sutherland, A., Ullmann, D., Wang, K., Wiggins, S.M. ORCID logoORCID:, Zhang, H., Zhao, Y. and Zhu, J.;