Interference effect between neutron direct and resonance capture reactions for neutron-rich nuclei

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Abstract

Interference effect of neutron capture cross section between the compound and direct processes is investigated. The compound process is calculated by resonance parameters and the direct process by the potential model. The interference effect is tested for neutron-rich 82Ge and 134Sn nuclei relevant to r-process and light nucleus 13C which is neutron poison in the s-process and produces long-lived radioactive nucleus 14C (T1/2 = 5700 y). The interference effects in those nuclei are significant around resonances, and low energy region if s-wave neutron direct capture is possible. Maxwellian averaged cross sections at kT = 30 and 300 keV are also calculated, and the interference effect changes the Maxwellian averaged capture cross section largely depending on resonance position.

Original languageEnglish
Article number00037
JournalEPJ Web of Conferences
Volume163
DOIs
Publication statusPublished - Nov 22 2017
Externally publishedYes
EventFUSION 2017 - Hobart, Australia
Duration: Feb 20 2017Feb 24 2017

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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