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arxiv: nucl-th/0206072 · v3 · pith:7CSBWBFSnew · submitted 2002-06-28 · ⚛️ nucl-th · astro-ph· nucl-ex

Direct neutron capture cross sections of 62Ni in the s-process energy range

classification ⚛️ nucl-th astro-phnucl-ex
keywords capturecrossenergys-processdirectenergiesneutronrange
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Direct neutron capture on 62Ni is calculated in the DWBA and the cross sections in the energy range relevant for s-process nucleosynthesis are given. It is confirmed that the thermal value of the capture cross section contains a subthreshold resonance contribution. Contrary to previous investigations it is found that the capture at higher energies is dominated by p-waves, thus leading to a considerably increased cross section at s-process energies and a modified energy dependence.

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