Speaker
Vladimir Voronin
Description
We spatially split a non-polarized neutron beam passing through a 21.6 cm thick silicon crystal into two polarized beams with opposite spin orientations using a small magnetic field gradient of 3.1 G/cm (analogy to the Stern-Gerlach effect). To do this we used a two-crystal Laue diffraction scheme and Bragg angles close to the orthogonality. At the maximum achieved diffracting angle θB =82°, we got the splitting of 4.1 ± 0.1 cm. The amplification factor compared to that in the absence of the crystal was 1.1 × 10^7 in good agreement with the theory [1].
References
1. V.V. Voronin, S.Yu. Semenikhin, D.D. Shapiro et al, Physics Letters B 809 (2020) 135739
