@MISC{Forte_dynamicaleffects, author = {M. Forte}, title = {DYNAMICAL EFFECTS IN NEUTRON OPTICS AND SPIN INTERACTIONS}, year = {} }
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Abstract
Re'sume '- On e'tudie la production d'effets d'optique neutronique qui sont sensibles 2 la diffusion non-en avant du spin dans l e s conditions de la diffraction dynamique. On considgre l e s cas des interactions spin-orbite et des interactions hypothe'tiques qui violent P et T. Abstract- The generation of neutron optical effects, which a r e sensitive to non-forward spin scattering in dynamical diffraction conditions, i s studied. Cases of spin-orbit and of supposed P and T violating interactions a r e considered. In the study of low-energy neutron spin interactions, the most sensitive experi-ments a r e based on neutron optical effects. We consider, for example, the P-violation effects, namely the spin rotation and the helicity-dependent transmission due to weak currents in the neutron nuclear interaction,,which have been observed with various nuclear targets and a r e reviewed in different papers of this Workshop. Effects of the f i r s t and of the second kind a r e determined, respectively, by the rea l and by the imaginary spin-dependent part of the optical potential. In ordinary