First bounds from direct search of galactic cold dark matter and solar axions from a Ge-spectrometer.

The ultralow background Ge spectrometer developed by the USC/PNL group is used as a detector of cold dark matter candidates from the halo of the Galaxy and of solar axions (and other light bosons), yielding interesting bounds. Some of them are: heavy standard Dirac neutrinos with mass m between the values of 20 GeV and 1 TeV are excluded as main components of the halo of the Galaxy; Dine-Fischer-Srednicki axion models with F less than about 5,000,000 GeV are excluded.