Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter
Journal Article
·
· Physical Review Letters
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
- Technische Univ. Darmstadt (Germany). Inst. fur Kernphysik; GSI-Darmstadt (Germany). ExtreMe Matter Inst. (EMMI)
- Univ. of Guelph, ON (Canada). Dept. of Physics
- Arizona State Univ., Tempe, AZ (United States). Dept. of Physics
Here we present quantum Monte Carlo calculations of light nuclei, neutron- scattering, and neutron matter using local two- and three-nucleon (3N) interactions derived from chiral e effective fi eld theory up to next-to-next-to-leading order (N2LO). The two undetermined 3N low-energy couplings are fi t to the 4He binding energy and, for the first time, to the spin-orbit splitting in the neutron- P-wave phase shifts. Furthermore, we investigate different choices of local 3N-operator structures and find that chiral interactions at N2LO are able to simultaneously reproduce the properties of A = 3; 4; 5 systems and of neutron matter, in contrast to commonly used phenomenological 3N interactions.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE; National Science Foundation (NSF); Natural Sciences and Engineering Research Council of Canada (NSERC)
- Grant/Contract Number:
- AC52-06NA25396; 307986; PHY-1404405; AC02-05CH11231
- OSTI ID:
- 1334120
- Alternate ID(s):
- OSTI ID: 1237503
- Report Number(s):
- LA-UR-15-27045
- Journal Information:
- Physical Review Letters, Vol. 116, Issue 6; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 170 works
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