Abstract

The spectrum of the charged particles from the two reactions D(d,n) 3He and D(d,p) 3H is detected by a silicon junction set at 90° from the deuteron beam. The angular distribution of D(d,n) 3He neutrons emerging from a thick target, at 100 keV deuteron energy, is obtained by detection of neutrons with a hydrogenous scintillator. The efficiency of the detector for neutrons associated with the detected 3He particles is measured by the ratio of 3He-neutron coincidences to 3He counting. The efficiency for neutrons emitted in all directions other than the direction of coincidence is calculated. The differential cross section for neutron emission is given by dσ(Φ) dω = { dσ( 1 2π ) dω} (1 + A cos 2Φ) , where the anisotropy factor A = 0.67 for 80 keV deutron energy.

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