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A test of Local Realism with entangled kaon pairs and without inequalities
We propose the use of entangled pairs of neutral kaons, considered as a
promising tool to close the well known loopholes affecting generic Bell's
inequality tests, in a specific Hardy-type experiment. Hardy's contradiction
without inequalities between Local Realism and Quantum Mechanics can be
translated into a feasible experiment by requiring ideal detection efficiencies
for only one of the observables to be alternatively measured. Neutral kaons are
near to fulfil this requirement and therefore to close the efficiency loophole.Comment: 4 RevTeX page