Drews, P., Knieps, A., Killer, C., Buttenschön, B., Zhang, D., König, R., Winters, V., Wang, E., Romazanov, J., Krychowiak, M., Brezinsek, S., Jakubowski, M., & Grulke, O. (2021). Edge density effects of the helium beam at W7-X. Talk presented at 10th International Workshop on "Stochasticity in Fusion Plasmas (SFP)" – 3D Physics in Stellarators and Tokamaks. Wuhan. 2021-07-12 - 2021-07-15.