Bell's inequality tests: from photons to B-mesons
A. Bramon, R. Escribano, G. Garbarino
Abstract
We analyse the recent claim that a violation of a Bell's inequality has been observed in the B--meson system [A. Go, Journal of Modern Optics 51 (2004) 991]. The results of this experiment are a convincing proof of quantum entanglement in B--meson pairs similar to that shown by polarization entangled photon pairs. However, we conclude that the tested inequality is not a genuine Bell's inequality and thus cannot discriminate between quantum mechanics and local realistic approaches.
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