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PreprintarXiv licencearXiv

Constraining three-nucleon forces in nuclear lattice effective field theory

  • Serdar Elhatisari
  • Ulf-G. Meißner
  • Zhengxue Ren
  • Shuang Zhang
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Abstract

We study short-range three-nucleon forces (3NFs) in nuclear lattice effective field theory with a chiral two-nucleon interaction at N3LO. The one-pion-exchange (cD) and contact (cE) terms of the leading 3NF are decomposed into locally and non-locally smeared components and supplemented by partial-wave-resolved pair contacts coupled to the density of a third nucleon. We determine their coefficients from nuclear binding energies for nuclei in the mass range from A=3 to A=40 and neutron--alpha finite-volume energies. This allows to work out the minimal three-nucleon force that can be used for future precision studies in NLEFT.

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Cite

BibTeXRIS
BibTeX
@misc{elhatisari2026constraining,
  title = {{Constraining three-nucleon forces in nuclear lattice effective field theory}},
  author = {Serdar Elhatisari and Ulf-G. Meißner and Zhengxue Ren and Shuang Zhang},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.20072},
  eprint = {2610.20072},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.20072},
}
RIS
TY  - UNPB
TI  - Constraining three-nucleon forces in nuclear lattice effective field theory
AU  - Serdar Elhatisari
AU  - Ulf-G. Meißner
AU  - Zhengxue Ren
AU  - Shuang Zhang
PY  - 2026
DA  - 2026/10/14
PB  - arXiv
DO  - 10.48550/arxiv.2610.20072
UR  - https://arxiv.org/abs/2610.20072
AB  - We study short-range three-nucleon forces (3NFs) in nuclear lattice effective field theory with a chiral two-nucleon interaction at N^3LO. The one-pion-exchange (c_D) and contact (c_E) terms of the leading 3NF are decomposed into locally and non-locally smeared components and supplemented by partial-wave-resolved pair contacts coupled to the density of a third nucleon. We determine their coefficients from nuclear binding energies for nuclei in the mass range from A=3 to A=40 and neutron--alpha finite-volume energies. This allows to work out the minimal three-nucleon force that can be used for future precision studies in NLEFT.
ER  -