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Testing locality at colliders via Bell's inequality? |
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| Authors: | S A Abel M Dittmar H Dreiner |
| Institution: | a Department of Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, UK b Department of Physics, University of California, Riverside, CA 92521, USA |
| Abstract: | We consider a measurement of correlated spins at LEP and show that it does not constitute a general test of local-realistic theories via Bell's inequality. The central point of the argument is that such tests, where the spins of two particles are inferred from a scattering distribution, can be described by a local hidden variable theory. We conclude that with present experimental techniques it is not possible to test locality via Bell's inequality at a collider experiment. Finally we suggest an improved fixed-target it is not possible to test locality via Bell's inequality at a collider experiment. Finally we suggest an improved fixed-target experiment as a viable test of Bell's inequality. |
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