Abstract
We demonstrate the capability of coupled-cluster theory to compute the Coulomb sum rule for the He4 and O16 nuclei using interactions from chiral effective field theory. We perform several checks, including a few-body benchmark for He4. We provide an analysis of the center-of-mass contaminations, which we are able to safely remove. We then compare with other theoretical results and experimental data available in the literature, obtaining a fair agreement. This is a first and necessary step towards initiating a program for computing neutrino-nucleus interactions from first principles in coupled-cluster theory and supporting the experimental long-baseline neutrino program with a state-of-the-art theory that can reach medium-mass nuclei.
| Original language | English |
|---|---|
| Article number | 064312 |
| Journal | Physical Review C |
| Volume | 102 |
| Issue number | 6 |
| DOIs | |
| State | Published - Dec 14 2020 |
Funding
We would like to thank Nir Barnea, Thomas Papenbrock, and Johannes Simonis for useful discussions. This work was supported by the Deutsche Forschungsgemeinschaft (DFG) through the Collaborative Research Center [The Low-Energy Frontier of the Standard Model (SFB 1044)], and through the Cluster of Excellence “Precision Physics, Fundamental Interactions, and Structure of Matter” ( EXC 2118/1) funded by the DFG within the German Excellence Strategy (Project ID 39083149), by the Office of Nuclear Physics, U.S. Department of Energy, under Grant No. desc0018223 (NUCLEI SciDAC-4 Collaboration) and by the Field Work Proposal ERKBP72 at Oak Ridge National Laboratory (ORNL). Computer time was provided by the Innovative and Novel Computational Impact on Theory and Experiment (INCITE) program. This research used resources of the Oak Ridge Leadership Computing Facility located at ORNL, which is supported by the Office of Science of the Department of Energy under Contract No. DE-AC05-00OR22725.