Bontoiu, Cristian - Резултати от търсенето

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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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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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Виж също: автори с подобни имена
5	Bontoiu, C
2	Bontoiu, C.
2	Bonțoiu, Cristian

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