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Updated: Mar 19, 2026

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Published on: April 13, 2022
Bounds on Time Reversal Violation From Polarized Neutron Capture With Unpolarized Targets
E D Davis1, C R Gould1, G E Mitchell1
1Triangle Universities Nuclear Laboratory, Durham, NC 27708-0308, USA.
Abstract:
We have analyzed constraints on parity-odd time-reversal noninvariant interactions derived from measurements of the energy dependence of parity-violating polarized neutron capture on unpolarized targets. As previous authors found, a perturbation in energy dependence due to a parity (P)-odd time (T)-odd interaction is present. However, the perturbation competes with T-even terms which can obscure the T-odd signature. We estimate the magnitudes of these competing terms and suggest strategies for a practicable experiment.
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