Proposal for a loophole-free test of the Bell inequalities.
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A proposal for an experimental realization of Bohms spin-1/2 particle version of the Einstein-Podolsky-Rosen experiment is described. Two Hg199 atoms, each with nuclear spin 1/2, are produced in an entangled state with total nuclear spin zero. Such a state is obtained by dissociation of dimers of the Hg2199 isotopomer using a spectroscopically selective stimulated Raman process. The measurement of nuclear spin correlations between the two atoms in this entangled state is achieved by detection of the atoms using a spin state selective two-photon excitation-ionization scheme. The experiment will not only close the detector efficiency loophole, but in addition will permit enforcement of the locality condition. 1995 The American Physical Society.