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TY - CONF AU - Yan, Y. AU - Amorim, L.D. AU - Babzien, M. AU - Downer, M. AU - Fedurin, M.G. AU - Iapozzuto, P. AU - Jing, Y.C. AU - Joshi, C. AU - Kumar, P. AU - Kusche, K. AU - Litvinenko, V. AU - Mori, W.B. AU - Palmer, M.A. AU - Pogorelsky, I. AU - Polyanskiy, M.N. AU - Samulyak, V. AU - Vafaei-Najafabadi, N. AU - Welch, J.R. AU - Zgadzaj, R. ED - Yamazaki, Yoshishige ED - Raubenheimer, Tor ED - McCausey, Amy ED - Schaa, Volker RW TI - Developing Criteria for Laser Transverse Instability in LWFA Simulations J2 - Proc. of NAPAC2019, Lansing, MI, USA, 01-06 September 2019 CY - Lansing, MI, USA T2 - North American Particle Accelerator Conference T3 - 4 LA - english AB - Laser-driven plasma wakefield acceleration (LWFA) is considered as a potential technology for future colliders and light sources. To make the best use of a laser’s power, the laser is expected to maintain a stable propagation. A transverse instability is observed in our previous simulations when a long, intense CO₂ laser propagates inside a plasma*. This unstable motion is accompanied by strong transverse diffraction of the laser power and results in the disruption of the ion channel typically used for radiation generation**. We investigated the hosing-like instability using the Particle-in-Cell code OSIRIS*** by modeling the laser portion where this instability is seeded and then evolves. In this proceeding, a criteria will be described that allows for the characterization of the temporal and spatial evolution of this instability. PB - JACoW Publishing CP - Geneva, Switzerland SP - 855 EP - 857 KW - laser KW - plasma KW - simulation KW - wakefield KW - electron DA - 2019/10 PY - 2019 SN - 2673-7000 SN - 978-3-95450-223-3 DO - doi:10.18429/JACoW-NAPAC2019-WEPLO05 UR - http://jacow.org/napac2019/papers/weplo05.pdf ER -