Phys. Rev. Lett. 79, 2839–2842 (1997)Anomalous Deep Inelastic Neutron Scattering from Liquid H2O-D2O: Evidence of Nuclear Quantum EntanglementReceived 3 June 1997; published in the issue dated 13 October 1997 A deep-inelastic (Compton) neutron scattering experiment on H2O-D2O mixtures at T = 293K has been carried out. Well-resolved H and D neutron recoil peaks in the time-of-flight spectra permit the direct determination of the ratio Q = σH/σD of the H and D total cross sections. In contrast to every conventional expectation, Q has been observed to vary strongly with the H-D composition. This striking effect provides, for the first time, direct evidence for short-lived entanglement of adjacent protons (deuterons) in condensed matter at room temperature. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.2839
DOI:
10.1103/PhysRevLett.79.2839
PACS:
67.20.+k, 03.65.Bz, 61.12.Ex, 61.25.Em
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