Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2012-02-20
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
Quantum mechanics (QM) disfavours local realism because it violates Bell's theorem, a theorem that must be valid for all local hidden variable theories (LHVT). Experimental tests of local realism in high energy particle physics have been proposed and carried out, but no decisive conclusion has been drawn. We find that the correlated distribution between polarization vectors of two entangled mesons predicted by QM can be reproduced in a natural way, by interpreting the two-body decay of vector mesons as a measurement to their polarization vector. The interpretation provides a method to simulate the correlated decay of entangled vector meson pairs, and a potential experimental approach for the discrimination between QM and LHVT in particle physics. Related data analysis can be carried out at currently running experiments and could give deeper insight for the understanding of local realism.
Chen Xun
Mao Yajun
Wang Siguang
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