F. BLOCH 1 has recently pointed out the possibility of producing partly polarized neutron beams, that is, beams which contain more neutrons of one direction of spin than of the other. The method ...

Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Toruń, Grudziadzka 5/7, 87-100 Toruń, Poland ...