Innovative technique for separating proton core, proton beam, and alpha particles in solar wind 3D velocity distribution functions - De, Marco R; Bruno, R; Jagarlamudi, VK; D'Amicis, R; Marcucci, MF; Fortunato, V; Perrone, D; Telloni, D; Owen, CJ; Louarn, P; Fedorov, A; Livi, S; et al. (ASTRONOMY & ASTROPHYSICS, 2023)