Cross section of {sup 36}S({ital n},{gamma}){sup 37}S
- Forschungszentrum Karlsruhe, Institut fuer Kernphysik, P.O. Box 3640, D-76021 Karlsruhe (Germany)
- Frank Laboratory of Neutron Physics, JINR, 141980 Dubna, Moscow Region (Russian Federation)
- Institut fuer Kernphysik, Wiedner Hauptstrasse 8-10, TU Wien, A-1040 Vienna (Austria)
At the Karlsruhe pulsed 3.75 MV Van de Graaff accelerator the {sup 36}S({ital n},{gamma}){sup 37}S(5.05 min) cross section was measured by the fast cyclic activation technique via the 3.103 MeV {gamma}-ray line of the {sup 37}S decay. Samples of elemental sulfur enriched in {sup 36}S by 5.933% were irradiated between two gold foils which served as capture standards. The capture cross section was measured at neutron energies 25, 151, 176, and 218 keV, respectively. The {sup 36}S({ital n},{gamma}){sup 37}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 nonresonant experimental data for this reaction can be reproduced excellently using this method. The input parameters of the DC calculation (masses, {ital 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.
- OSTI ID:
- 132966
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 6 Vol. 52; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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