Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session JP11: Poster Session IV: In-Person, Hall A (2:00-3:30pm) and Virtual Poster Presentations (3:45-5:00pm)
BEAMS: Laser Accelerators
Education, Public Engagement, and DEI
High School and Undergraduate Research
2:00 PM - 5:00 PM
Tuesday, October 18, 2022
Room: Exhibit Hall A and Online
Abstract: JP11.00017 : Towards a plasma-based acceleration for non-relativistic particles*
Presenter:
Chiara Badiali
(GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico)
Authors:
Chiara Badiali
(GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico)
Thales Silva
(Instituto Superior Tecnico)
Bernardo F Malaca
(GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superi)
Ricardo A Fonseca
(ISCTE - Lisbon University Institute)
Jorge Vieira
(GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico)
Collaborations:
Thales Silva, Bernardo Malaca, Ricardo Fonseca, Jorge Vieira
These pulses can drive superluminal ionization fronts, and are promising drivers for plasma acceleration, being able for example to circumvent dephasing. At the same time, they can propagate with a subluminal group velocity, making them suitable candidates to drive acceleration wakes for heavier particles. Furthermore, if carefully crafted, these pulses can also increase or decrease their group velocity while propagating [5].
In this work, we propose a plasma-based acceleration method for non-relativistic particles using pulses with increasing group velocities. At first, we investigated the acceleration using an external field with a non-relativistic group velocity analytically and in 2D particle-in-cell simulations using OSIRIS [6]. Finally, we show a study on how the acceleration changes when we make these non-relativistic pulses accelerate while propagating.
*FCT (Portugal) grant PRT/BD/152270/2021
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