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Title: Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter

Abstract

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.

Authors:
 [1];  [2];  [1];  [1];  [3];  [4];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
  2. Technische Univ. Darmstadt (Germany). Inst. fur Kernphysik; GSI-Darmstadt (Germany). ExtreMe Matter Inst. (EMMI)
  3. Univ. of Guelph, ON (Canada). Dept. of Physics
  4. Arizona State Univ., Tempe, AZ (United States). Dept. of Physics
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE; National Science Foundation (NSF); Natural Sciences and Engineering Research Council of Canada (NSERC)
OSTI Identifier:
1334120
Alternate Identifier(s):
OSTI ID: 1237503
Report Number(s):
LA-UR-15-27045
Journal ID: ISSN 0031-9007
Grant/Contract Number:  
AC52-06NA25396; 307986; PHY-1404405; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 116; Journal Issue: 6; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Atomic and Nuclear Physics

Citation Formats

Lynn, J. E., Tews, I., Carlson, Joseph Allen, Gandolfi, Stefano, Gezerlis, A., Schmidt, K. E., and Schwenk, A. Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.116.062501.
Lynn, J. E., Tews, I., Carlson, Joseph Allen, Gandolfi, Stefano, Gezerlis, A., Schmidt, K. E., & Schwenk, A. Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter. United States. https://doi.org/10.1103/PhysRevLett.116.062501
Lynn, J. E., Tews, I., Carlson, Joseph Allen, Gandolfi, Stefano, Gezerlis, A., Schmidt, K. E., and Schwenk, A. Tue . "Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter". United States. https://doi.org/10.1103/PhysRevLett.116.062501. https://www.osti.gov/servlets/purl/1334120.
@article{osti_1334120,
title = {Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter},
author = {Lynn, J. E. and Tews, I. and Carlson, Joseph Allen and Gandolfi, Stefano and Gezerlis, A. and Schmidt, K. E. and Schwenk, A.},
abstractNote = {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.},
doi = {10.1103/PhysRevLett.116.062501},
journal = {Physical Review Letters},
number = 6,
volume = 116,
place = {United States},
year = {Tue Feb 09 00:00:00 EST 2016},
month = {Tue Feb 09 00:00:00 EST 2016}
}

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