Light-Nuclei Spectra from Chiral Dynamics
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Open Access
- 1 February 2018
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 120 (5), 052503
- https://doi.org/10.1103/PhysRevLett.120.052503
Abstract
In recent years local chiral interactions have been derived and implemented in quantum Monte Carlo methods in order to test to what extent the chiral effective field theory framework impacts our knowledge of few-and many-body systems. In this Letter, we present Green's function Monte Carlo calculations of light nuclei based on the family of local two-body interactions presented by our group in a previous paper in conjunction with chiral three-body interactions fitted to bound-and scattering-state observables in the three-nucleon sector. These interactions include. intermediate states in their two-pion-exchange components. We obtain predictions for the energy levels and level ordering of nuclei in the mass range A = 4-12, accurate to <= 2% of the binding energy, in very satisfactory agreement with experimental data.Funding Information
- U.S. Department of Energy (DE-AC02-06CH11357)
- Office of Science (DE-AC02-06CH11357, DE-AC05-06OR23177)
- NUclear Computational Low-Energy Initiative (NUCLEI)
- National Energy Research Scientific Computing Center (NERSC)
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