Constraining spacetime nonmetricity with neutron spin rotation in liquid 4 He

@article{Lehnert2017ConstrainingSN,
  title={Constraining spacetime nonmetricity with neutron spin rotation in liquid 4 He},
  author={R. Lehnert and W. Snow and Z. Xiao and R. Xu},
  journal={Physics Letters B},
  year={2017},
  volume={772},
  pages={865-869}
}
Abstract General spacetime nonmetricity coupled to neutrons is studied. In this context, it is shown that certain nonmetricity components can generate a rotation of the neutron's spin. Available data on this effect obtained from slow-neutron propagation in liquid helium are used to constrain isotropic nonmetricity components at the level of 10 − 22 GeV. These results represent the first limit on the nonmetricity ζ ( 6 ) 2 S 000 parameter as well as the first measurement of nonmetricity inside… Expand
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