Example 3: Tauon/Antitauon Event https://www.physik-astro.uni-bonn.de/belle2-masterclass/en/files/videos/tauon-antitauon-event-3 https://www.physik-astro.uni-bonn.de/belle2-masterclass/++resource++plone-logo.svg Example 3: Tauon/Antitauon Event External Video-URL https://youtu.be/XjIOFzxowCQ Preview-Image Search Engine Exclude no