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Title: Deep learning: Extrapolation tool for ab initio nuclear theory

Journal Article · · Physical Review C
 [1]; ORCiD logo [2];  [2];  [2];  [3];  [4];  [4];  [5];  [5];  [2];  [2]
  1. Iowa State Univ., Ames, IA (United States); Horia Hulubei National Inst. for Physics and Nuclear Engineering, Bucharest (Romania)
  2. Iowa State Univ., Ames, IA (United States)
  3. Moscow State Univ. (Russia); Pacific National Univ. (Russia)
  4. Inst. of Basic Science, Daejeon (Korea, Republic of). Rare Isotope Science Project
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Ab initio approaches in nuclear theory, such as the no-core shell model (NCSM), have been developed for approximately solving finite nuclei with realistic strong interactions. The NCSM and other approaches require an extrapolation of the results obtained in a finite basis space to the infinite basis space limit and assessment of the uncertainty of those extrapolations. Each observable requires a separate extrapolation and many observables have no proven extrapolation method. Herein, we propose a feed-forward artificial neural network (ANN) method as an extrapolation tool to obtain the ground-state energy and the ground-state point-proton root-mean-square (rms) radius along with their extrapolation uncertainties. The designed ANNs are sufficient to produce results for these two very different observables in 6Li from the ab initio NCSM results in small basis spaces that satisfy the following theoretical physics condition: independence of basis space parameters in the limit of extremely large matrices. Comparisons of the ANN findings with other extrapolation methods are also provided.

Research Organization:
Iowa State Univ., Ames, IA (United States); Univ. of Tennessee, Knoxville, TN (United States); University of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR). Scientific Discovery through Advanced Computing (SciDAC); Russian Science Foundation
Grant/Contract Number:
FG02-87ER40371; SC0018223; AC02-05CH11231; 2013M7A1A1075764
OSTI ID:
1603455
Alternate ID(s):
OSTI ID: 1511892
Journal Information:
Physical Review C, Vol. 99, Issue 5; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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  • Entem, D. R.; Machleidt, R.
  • NUCLEAR PHYSICS IN THE 21st CENTURY:International Nuclear Physics Conference INPC 2001, AIP Conference Proceedings https://doi.org/10.1063/1.1469952
conference January 2002
Covariant spectator theory of np scattering: Phase shifts obtained from precision fits to data below 350 MeV text January 2008
Ab initio no-core full configuration calculations of light nuclei text January 2008
{\it Ab initio} nuclear structure - the large sparse matrix eigenvalue problem text January 2009
From low-momentum interactions to nuclear structure text January 2009
Corrections to nuclear energies and radii in finite oscillator spaces text January 2012
Infrared length scale and extrapolations for the no-core shell model text January 2015
Natural orbital description of the halo nucleus 6He text January 2016
Nuclear charge radii: Density functional theory meets Bayesian neural networks text January 2016
Corrections to nucleon capture cross sections computed in truncated Hilbert spaces text January 2016
Refining mass formulas for astrophysical applications: a Bayesian neural network approach text January 2017
Validating neural-network refinements of nuclear mass models text January 2017
Large-scale exact diagonalizations reveal low-momentum scales of nuclei text January 2017
Bayesian approach to model-based extrapolation of nuclear observables text January 2018
Accurate Nucleon-Nucleon Potential Based upon Chiral Perturbation Theory text January 2001
Accurate Charge-Dependent Nucleon-Nucleon Potential at Fourth Order of Chiral Perturbation Theory text January 2003
Loosely bound three-body nuclear systems in the J-matrix approach text January 2003
Nucleon-nucleon interaction in the $J$-matrix inverse scattering approach and few-nucleon systems text January 2003

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