A ping-pong self-sustaining avalanche in TI-LGAD sensors Gordana Laštovička-Medin, Miloš Manojlović, Vanja Backović, Danijela Mrkić, Vuk Baletić, Gregor Kramberger, Jirí Kroll, Tomaš Laštovička, Jakob Andreasson and Mateusz Rebarz Eur. Phys. J. Spec. Top., Publication ahead of print Published online: 05 February 2025 DOI: 10.1140/epjs/s11734-025-01479-1