The 17O(n,α)14C reaction from subthermal up to approximately 350 keV neutron energy

Details The 17O(n,α)14C reaction from subthermal up to approximately 350 keV neutron energy The 17O(n,α)14C reaction from subthermal up to approximately 350 keV neutron energy

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phrvc..65c4614w&link_type=abstract

Physical Review C, vol. 65, Issue 3, id. 034614

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3

Resonance Reactions, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Big Bang Nucleosynthesis, 6<=A<=19

Scientific paper

We measured the 17O(n,α)14C reaction cross section from subthermal up to about 350 keV neutron energy. Two distinct resonances were observed at 178 and 253 keV, respectively, and a bump in our data near 2 keV could be explained by the presence of a negative-energy p-wave resonance. In the lower energy region, the cross section was shown to have a 1/v shape. The 17O(n,α)14C reaction is of importance in two different applications: it is one of the major reactions responsible for the 14C pollution in nuclear reactors. Also, this reaction plays a role in primordial and nucleosynthesis in various astrophysical scenarios. For this application, the reaction rate at astrophysically relevant temperatures was calculated.

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