New method for production of Tb via Dy by irradiation of Gd by medium energy alpha particles.

Introduction: Tb (T = 5.32 d) is considered both as a promising Auger electron emitter and as a diagnostic pair for other therapeutic terbium radionuclides. Despite several methods for its production proposed, it remains scarcely available.

Experimental study of α-particle induced reactions on natural erbium for the production of Auger-emitters Tm, Er and Yb.

The cross sections for nuclear reactions Er(α,x) were measured in the energy range 60 → 10 MeV using the stacked-foil technique. The experiments were carried out in a wider energy range in comparison with previous works. The results are consistent with other studies and modeling using TENDL-2019.

Cross sections of He-particle induced reactions on W.

Irradiation of W targets by He particles was carried out. For the first time the cross sections for the reactions of production of Re, Os, W were measured by the stack foil technique in the He energy range of 15-45 MeV. The results were compared to the data from the TENDL-2019 library.

Cross section measurements of Eu(He,5n) reaction: new opportunities for medical alpha emitter Tb production.

Method for production of alpha emitter Tb by irradiation of Eu with 70 MeV He nuclei is proposed. For the first time, the cross sections for the formation of isotopes Tb were measured experimentally using a stack foil technique in the He particles energy range 70 → 12 MeV. The thick target yield of Tb is 39 MBq/μAh, or 230 MBq/μA Tb at saturation.

Suppressed neurogenesis without cognitive deficits: effects of fast neutron irradiation in mice.

This study assessed the effects of combined low-dose neutron and γ-ray irradiation on hippocampal neurogenesis and hippocampal-dependent memory. Neural progenitor cell division and survival were evaluated in brain sections and whole hippocampal preparations following head irradiation at a dose of 0.34 Gy for neutron radiation and 0.