Radiative neutron capture cross sections for 160Gd have been measured at eight different neutron energies: 0.46 ± 0.04, 0.57 ± 0.04, 0.75 ± 0.04, 0.97 ± 0.20, 1.22 ± 0.19, 1.52 ± 0.17, 2.22 ± 0.17, and 3.05 ± 0.18 MeV. The activation technique has been employed in the present measurement. Our experimental values are compared with the theoretical values calculated using the FISPRO II code, using the most recent set of parameters available in the published literatures.
Transmission rates (T N) of N-atoms through small diameters tubes (1.5 and 3 mm int dia and 9, 50 and 80 cm length for silicone tubes, 1.5 mm int dia and 6.5 cm length for stainless steel tubes) are measured in late N 2 and Ar-N 2 flowing after glows of microwave plasmas in continuous and pulsed gas injection modes at a flow rate of 1 and 3 slpm, a gas pressure from 2 to 4 Torr for N 2 and 20 Torr for Ar-1%N 2 and a plasma power varying from 150 to 300 Watt. From the experimental T N values, it is deduced the γ-destruction probability inside the tube walls as being γ = (1.0-1.6)10-3 for the silicon tubes and γ = (1.6-2.0) 10-2 for the stainless steel tubes.
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