WUP - 0702 ; ITP - Budapest 630 ; BNL - NT - 07 / 8 The density of states method at non - zero chemical potential

We study the QCD phase diagram by first principle lattice calculations at so far unreached high densities. For this purpose we employ the density of states method. Unimproved staggered fermions, which describe four quark flavors in the continuum are used in this analysis. Though the method is quite expensive, small lattices show an indication for a triple-point connecting three different phases on the phase diagram.