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1.
Driver-witness configuration in CNT array-based acceleration / Barbera Ramos, Moises (Valencia U.) ; Bonatto, Alexandre (Rio Grande do Sul U.) ; Bontoiu, Cristian (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Xia, Guoxing (Cockcroft Inst. Accel. Sci. Tech. ; Manchester U.) ; Resta-Lopez, Javier (Valencia U.) ; Apsimon, Oznur (Cockcroft Inst. Accel. Sci. Tech. ; Manchester U.) ; Martín-Luna, Pablo (Valencia U., IFIC) ; Rodin, Volodymyr (CERN)
Solid-state plasma wakefield acceleration might be an alternative to accelerate particles with ultra-high accelerating gradients, in the order of TV/m.In addition, due to their thermodynamic properties, 2D carbon-based materials, such as graphene layers and/or carbon nanotubes (CNT) are good candidates to be used as the media to sustain such ultra-high gradients. In particular, due to their cylindrical symmetry, multi-nm-aperture targets, made of CNT bundles or arrays may facilitate particle channelling through the crystalline structure.In this work, a two-bunch, driver-and-witness configuration is proposed to demonstrate the potential to achieve particle acceleration as the bunches propagate along a CNT-array structure.Particle-in-cell simulations have been performed using the VSIM code in a 2D Cartesian geometry to study the acceleration of the second (witness) bunch caused by the wakefield driven by the first (driver) bunch.The effective plasma-density approach was adopted to estimate the wakefield wavelength, which was used to identify the ideal separation between the two bunches, aiming to optimize the witness-bunch acceleration and focusing.Simulation results show the high acceleration gradient obtained, and the energy transfer from the driver to the witness bunch..
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUPA052 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA052
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2.
Application of Nanostructures and Metamaterials in Accelerator Physics / Resta-López, Javier (GACE-ICMUV) ; Apsimon, Oznur (Liverpool U.) ; Bonatto, Alexandre (Rio Grande do Sul U.) ; Bonțoiu, Cristian (Liverpool U.) ; Galante, Bruno (CERN) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Xia, Guoxing (U. Manchester (main))
Carbon-based nanostructures and metamaterials offer extraordinary mechanical and opto-electrical properties, which make them suitable for applications in diverse fields, including, for example, bioscience, energy technology and quantum computing. In the latest years, important R&D; efforts have been made to investigate the potential use of graphene and carbon-nanotube (CNT) based structures to manipulate and accelerate particle beams. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 659-662 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.659-662
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3.
EuPRAXIA Conceptual Design Report / Assmann, R W (DESY) ; Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, D (Frascati) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Anania, M P (Frascati) ; Andreev, N E (ITAE, Moscow ; Moscow, MIPT) ; Andriyash, I (Weizmann Inst.) ; Artioli, M (ENEA, Bologna) ; Aschikhin, A (DESY) et al.
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. [...]
2020 - 610 p. - Published in : Eur. Phys. J. Spec. Top. 229 (2020) 3675-4284
- Published in : Eur. Phys. J. Spec. Top. 229 (2020) 11-31 Fulltext from Publisher: PDF;
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2 Bonatto, Alexandre
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