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emiT: An apparatus to test time reversal invariance in polarized neutron decay
We describe an apparatus used to measure the triple-correlation term (DĻĢnā peĆpĪ½) in the beta decay of polarized neutrons. The D coefficient is sensitive to possible violations of time reversal invariance. The detector has an octagonal symmetry that optimizes electronāproton coincidence rates and reduces systematic effects. A beam of longitudinally polarized ā¦