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Lettere al nuovo cimento della societa italiana di fisica/Lettere al nuovo cimento

Low-energy proton-proton scattering as a test of local hidden-variable theory

R. Fox

Published Sep 1, 1971• 10 citations
Publisher
DOI
10.1007/bf02774094

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A search for hidden variables in the domain of high energy physics

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Foundations of Physics Letters•Apr 1, 1994•3 citations
The inequality of Bell has been tested by the measurement of the spin correlation in proton-proton scattering. Measurements were made at Ep=13.2and13.7{E}_{p}=13.2 \mathrm{and} 13.7Ep​=13.2and13.7 MeV using carbon analyzers of 18.6 and 29 mg/cm2{\mathrm{cm}}^{2}cm2, respectively, accumulating a total of 104{10}^{4}104 coincidences. The experimental analyzing power, geometric correlation coefficients, and energy spectra are compared to the result of a Monte Carlo simulation of the apparatus. The results are in good agreement with quantum mechanics and in disagreement with the inequality of Bell if the same additional assumptions are made. The conditions for comparing the results of the experiments to the inequality of Bell are discussed.