Generalized Optical Theorem for Structured Neutron Beams and Consequences for Forward-Transmission Null Tests of Time-Reversal Invariance

Sepehr Samiei

The simple form of the optical theorem of scattering theory, $\ddot{I}{ƒ}_{\mathrm{tot}}^{\mathrm{pw}}=(4\ddot{I}€/k)\Im f(0)$, is valid for an incident plane wave or for a wave packet whose Fourier com…