/ Theory-Nucl nucl-th/9510049


Cross-section of S-36 (n, gamma) S-37


Beer, H. (Karlsruhe U., EKP) ; Sedyshev, P.V. (Dubna, JINR) ; Popov, Yu.P. (Dubna, JINR) ; Balogh, W. (Vienna, Tech. U.) ; Herndl, H. (Vienna, Tech. U.) ; Oberhummer, H. (Vienna, Tech. U.)

Published in: Phys.Rev.
Year: 1995
Vol.: C52
Page No: 3442-3448
Pages: 8

Abstract: At the Karlsruhe pulsed 3.75\,MV Van de Graaff accelerator the $~{36}$S(n,$\gamma$)$~{37}$S(5.05\,min) cross section was measured by the fast cyclic activation technique via the 3.103\,MeV $\gamma$--ray line of the $~{37}$S--decay. Samples of elemental sulfur enriched in $~{36}$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 $~{36}$S(n,$\gamma$)$~{37}$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 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.

Web-Page: http://www.adsabs.harvard.edu/abs/1995PhRvC..52.3442B; http://dx.doi.org/10.1103/PhysRevC.52.3442; http://link.aps.org/abstract/PRC/V52/P03442/

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