Affiliation: | (1) Instituto Ciencias Nucleares, UNAM, A.P. 70-543, 04510, México, D. F., Mexico, MX;(2) Institute of Nuclear Research of the Hungarian Academy of Sciences, H-4001 Debrecen, Pf. 51, Hungary, HU;(3) IFIC-Universitat Valencia, Apartado Oficial 22085, 46071 Valencia, Spain, ES;(4) KVI, 9747 AA Groningen, The Netherlands, NL |