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  • Ekström, Andreas (author)

Effects of Three-Nucleon Forces and Two-Body Currents on Gamow-Teller Strengths

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • 2014
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:667886e6-459f-4d12-b952-23647a47cc52
  • https://doi.org/10.1103/PhysRevLett.113.262504DOI
  • https://research.chalmers.se/publication/210555URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • We optimize chiral interactions at next-to-next-to leading order to observables in two- and three-nucleon systems and compute Gamow-Teller transitions in C14 and O22,24 using consistent two-body currents. We compute spectra of the daughter nuclei N14 and F22,24 via an isospin-breaking coupled-cluster technique, with several predictions. The two-body currents reduce the Ikeda sum rule, corresponding to a quenching factor q2≈0.84–0.92 of the axial-vector coupling. The half-life of C14 depends on the energy of the first excited 1+ state, the three-nucleon force, and the two-body current.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Jansen, Gustav R. (author)
  • Wendt, Kyle A. (author)
  • Hagen, Gaute (author)
  • Papenbrock, Thomas (author)
  • Bacca, Sonia (author)
  • Karlsson, Boris,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)borisc (author)
  • Gazit, Doron (author)
  • Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Physical Review Letters113:26, s. 262504-1079-71140031-9007

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