Cross-section of S-36 (n, gamma) S-37
Oct, 1995
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Abstract:
At the Karlsruhe pulsed 3.75\,MV Van de Graaff accelerator the S(n,)S(5.05\,min) cross section was measured by the fast cyclic activation technique via the 3.103\,MeV --ray line of the S--decay. Samples of elemental sulfur enriched in S by 5.933\,\% were irradiated between two gold foils which served as capture standards. The capture cross section was measured at the neutron energies 25, 151, 176, and 218\,keV, respectively. The S(n,)S--cross section in the thermonuclear and thermal energy range has been calculated using the direct--capture (DC) model combined with the folding procedure used for the determination of the potentials. The non--resonant experimental data for this reaction can be reproduced excellently using this method. The input parameters of the DC--calculation (masses, Q--values, nuclear density distributions, spectroscopic factors, spin--parity assignments and excitation energies of the low--lying states of the residual nucleus) have been taken from the available experimental data.References(30)
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