Three generation vacuum oscillations and the solar neutrino problem

Abstract

We investigate the solar neutrino problem in the scenario of three generation neutrino oscillation hypothesis, taking into account other phenomenological constraints to the neutrino mixing and mass parameters.

Comments: Revtex, 11 pages, two figures (avaliable by ftp in 192.160.128.69 in account ftp, subdirectory /pub/hans, the file vacuo.uu.gz, if you are in a unix machine use gzip first and execute the instrutions in the beginning of file, anyway the figures are available by fax)