Antimatter Annihilation Vertex Reconstruction with Deep Learning for ALPHA-g Radial Time Projection Chamber. - Ashley Ferreira; Mahip Singh; Yukiya Saito; Andrea Capra; Ina Carli; Daniel Duque Quiceno; Wojciech T. Fedorko; Makoto C. Fujiwara; Muyan Li; Lars Martin; Gareth Smith; Anqui Xu (CoRR, 2025)