%0 journal article %@ 0021-3640 %A Kopitsa, G.P., Grigoriev, S.V., Runov, V.v., Maleyev, S.V., Haramus, V., Yashenkin, A.G. %D 2005 %J JETP Letters %N 11 %P 556-560 %R doi:10.1134/1.2029943 %T Study of the Heavy-Fermion Compound CeRu2Si2 by the Small-Angle Neutron Scattering Method %U https://doi.org/10.1134/1.2029943 11 %X In order to directly observe neutron scattering by heavy fermion quasiparticles at low temperatures, a CeRu2Si2 single crystal has been studied by the small-angle neutron scattering method. In the experiment, neutron scattering is observed at T = 0.85 K for momentum transfers q <= 0.04 Å–1, which is treated as the orbital component of magnetic scattering by heavy fermion quasiparticles.