Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths

A. Ekström; G. R. Jansen; K. A. Wendt; G. Hagen; T. Papenbrock; S. Bacca; B. Carlsson; D. Gazit

doi:10.1103/PhysRevLett.113.262504

Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths

A. Ekström^*, G. R. Jansen, K. A. Wendt, G. Hagen, T. Papenbrock, S. Bacca, B. Carlsson, D. Gazit

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

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.

Original language	American English
Article number	262504
Journal	Physical Review Letters
Volume	113
Issue number	26
DOIs	https://doi.org/10.1103/PhysRevLett.113.262504
State	Published - 30 Dec 2014

Bibliographical note

Publisher Copyright:
© 2014 American Physical Society.

Access to Document

10.1103/PhysRevLett.113.262504

Cite this

@article{8a65363ba5324d049df3c0dec24fa74a,

title = "Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths",

abstract = "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.",

author = "A. Ekstr{\"o}m and Jansen, {G. R.} and Wendt, {K. A.} and G. Hagen and T. Papenbrock and S. Bacca and B. Carlsson and D. Gazit",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = dec,

day = "30",

doi = "10.1103/PhysRevLett.113.262504",

language = "American English",

volume = "113",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "26",

}

TY - JOUR

T1 - Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths

AU - Ekström, A.

AU - Jansen, G. R.

AU - Wendt, K. A.

AU - Hagen, G.

AU - Papenbrock, T.

AU - Bacca, S.

AU - Carlsson, B.

AU - Gazit, D.

PY - 2014/12/30

Y1 - 2014/12/30

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=84929380442&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.113.262504

DO - 10.1103/PhysRevLett.113.262504

M3 - Article

AN - SCOPUS:84929380442

SN - 0031-9007

VL - 113

JO - Physical Review Letters

JF - Physical Review Letters

IS - 26

M1 - 262504

ER -

Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths

Abstract

Bibliographical note

Access to Document

Other files and links

Fingerprint

Cite this