BOSE-EINSTEIN CORRELATIONS IN PP COLLISIONS AT 400 GEV/C by Aguilarbenitez, M, Allison, W, Batalov, A, Castelli, E, Checchia, P, Colino, N, Contri, R, Deangelis, A, Deroeck, A, Deseriis, N, Dewolf, E, Duboc, J, Endler, A, Ermolov, P, Falciano, S, Fisyak, Y, Fontanelli, F, Ganguli, S, Gasparini, U, Gentile, S, Gurtu, A, Hernandez, J, Holmgren, S, Hrubec, J, Iori, M