First Demonstration of a Two-Tier Pixelated Avalanche Sensor for Charged Particle Detection oleh Lucio Pancheri, Andrea Ficorella, Paolo Brogi, G. Collazuol, Gian-Franco Dalla Betta, P. S. Marrocchesi, Fabio Morsani, Lodovico Ratti, Aurore Savoy-Navarro, Arta Sulaj