Inclusive cross section and double helicity asymmetry for ``pi´ POT.0´ production in p+p collisions at `S POT.1/2´ = 200 GeV: implications for the polarized gluon distribution in the proton - Adare, A; Dietzsch, Olácio; Donadelli, Marisílvia; Leite, Marco Aurelio Lisboa; Lenzi, Bruno Rodrigues; Silva, Cesar Luiz da; Takagui, Emi Márcia (2007)