Search for pion-neutron bound states in 14.6a gevsi + nucleus collisions - Barrette, J; Bellwied, R; Braun-Munzinger, P; Cleland, W E; Cormier, T M; Dadusc, G; David, G; Dee, J; Dietzsch, Olácio; Fatyga, M; Greene, S V; Germani, J V; et al. (Physical Review C, 1995)