Time Reversal Invariance in Nuclear Physics: From Neutrons to Stochastic Systems
To test models of CP violation it is important to look for T-violating effects in as many different systems as possible. In this experimental search, nuclear tests with neutrons have played an important role. We review the basic issues underlying measurements of the neutron’s T-odd electric dipole moment, and discuss a promising new line of investigation involving transmission of polarized neutrons through spin polarized and aligned nuclear targets, particularly at epithermal neutron energies. We give a self-contained derivation of the generalization of the optical theorem to include polarization degrees of freedom, and derive the expressions required to analyze polarized neutron transmission in targets of arbitrary polarization state.
KeywordsParity Violation Spin Space Time Reversal Invariance Partial Wave Expansion Triple Correlation
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