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

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

2002-06-28

arxiv.org/abs/nucl-th/0206072v3

Phys.Rev. C66 (2002) 028802; Erratum-ibid. C71 (2005) 059903

Physics

Nuclear Physics

Nuclear Theory

10 pages, 1 figure, corrected typos in Eq. 6 and subsequent paragraph

Scientific paper

10.1103/PhysRevC.66.028802

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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