Constraining Spacetime Nonmetricity with Neutron Spin Rotation in Liquid He-4

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dc.contributor.authorLehnert, Ralf
dc.contributor.authorSnow, William M
dc.contributor.authorXiao, Z
dc.contributor.authorXu, Rui
dc.date.accessioned2025-02-20T16:42:22Z
dc.date.available2025-02-20T16:42:22Z
dc.date.issued2017-09-10
dc.description.abstractGeneral 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 $\zeta^{(6)}_2S_{000}$ parameter as well as the first measurement of nonmetricity inside matter.
dc.identifier.citationLehnert, Ralf, et al. "Constraining Spacetime Nonmetricity with Neutron Spin Rotation in Liquid He-4." Physics Letters B, vol. 772, pp. 865-869, 2017-9-10, https://doi.org/10.1016/j.physletb.2017.07.059.
dc.identifier.issn1873-2445
dc.identifier.otherBRITE 1331
dc.identifier.urihttps://hdl.handle.net/2022/31965
dc.language.isoen
dc.relation.isversionofhttps://doi.org/10.1016/j.physletb.2017.07.059
dc.relation.isversionofhttps://doi.org/10.1016/j.physletb.2017.07.059
dc.relation.journalPhysics Letters B
dc.titleConstraining Spacetime Nonmetricity with Neutron Spin Rotation in Liquid He-4

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