Anisotrope D (d, n)3He-Reaktionsausbeute in Kupfereinkristallen

A selftarget of deuterium (0.5 atomic-% D) in a single copper crystal is produced by a 75 keV deuteron beam. The neutron yield from the D(d, n)3He reaction shows a 30% increase compared with the yield in polycrystalline copper, if the crystal is oriented in 〈110〉 to the beam. This result is discussed in terms of the channelling behaviour of the penetrating deuterons parallel to the 110 lattice rows.