Observation of the narrow state X(3872)-> J/psi pi(+)pi(-) in (p)over-barp collisions at root s=1.96 TeV - Acosta, D; Affolder, T; Ahn, M; Akimoto, T; Albrow, MG; Ambrose, D; Amerio, S; Amidei, D; Anastassov, A; Anikeev, K; Annovi, A; Antos, J; et al. (2004)