PhysRevD.89.016011.pdf (1.09 MB)
Gravitationally enhanced depolarization of ultracold neutrons in magnetic-field gradients
journal contribution
posted on 2023-06-08, 14:09 authored by Philip Harris, J M Pendlebury, N E DevenishTrapped ultracold neutrons (UCN) have for many years been the mainstay of experiments to search for the electric dipole moment (EDM) of the neutron, a critical parameter in constraining scenarios of new physics beyond the Standard Model. Because their energies are so low, UCN preferentially populate the lower region of their physical enclosure, and do not sample uniformly the ambient magnetic field throughout the storage volume. This leads to a substantial increase in the rate of depolarization, as well as to shifts in the measured frequency of the stored neutrons. Consequences for EDM measurements are discussed.
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- Published
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- Published version
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Physical Review DISSN
1550-7998Publisher
American Physical SocietyPublisher URL
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1Volume
89Page range
016010-1-016010-5Department affiliated with
- Physics and Astronomy Publications
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- Yes
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- Yes
Legacy Posted Date
2014-01-17First Open Access (FOA) Date
2014-01-17First Compliant Deposit (FCD) Date
2014-01-17Usage metrics
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