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Channeling effect in polycrystalline deuterium-saturated CVD diamond target bombarded by deuterium ion beam
Ist Teil von
Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 2015-07, Vol.355, p.340-343
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
2015
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
At the ion accelerator HELIS at LPI, the neutron yield is investigated in DD reactions within a strongly textured polycrystalline deuterium-saturated CVD diamond under irradiation by a deuterium ion beam with the energy of less than 30keV. The measurements of the neutron flux in the beam direction are performed using a multichannel detector based on 3He counters, in dependence on the target angle, β, with respect to the beam axis. A significant anisotropy in the neutron yield is observed. At β=0° the yield is higher by a factor of 3 as compared to that at β=±45°. The possible reasons for the anisotropy, including ion channeling, are discussed.