Journal
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS
Volume 69, Issue -, Pages 131-181Publisher
ELSEVIER
DOI: 10.1016/j.ppnp.2012.10.003
Keywords
Nuclei; Potentials; Theory; Predictions; Structure; Reactions
Categories
Funding
- NSF [PHY-0555396, PHY-0854912]
- LLNL LDRD [PLS-09-ERD-020]
- U.S. DOE/SC/NP [SCW0498]
- NSERC [401945-2011]
- US NSF [0904782]
- National Research Council Canada
- Office of Science of the U.S. Department of Energy
- DOE Office of Science [DE-AC05-00OR22725]
- [DE-FG02-87ER40371]
- [DE-FC02-09ER41582]
- [DESC0008485]
- Direct For Computer & Info Scie & Enginr
- Office of Advanced Cyberinfrastructure (OAC) [0904782] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0854912] Funding Source: National Science Foundation
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Motivated by limitations of the Bloch-Horowitz-Brandow perturbative approach to nuclear structure we have developed the non-perturbative ab initio no core shell model (NCSM) capable of solving the properties of nuclei exactly for arbitrary nucleon-nucleon (NN) and NN + three-nucleon (NNN) interactions with exact preservation of all symmetries. We present the complete ab initio NCSM formalism and review highlights obtained with it since its inception. These highlights include the first ab initio nuclear-structure calculations utilizing chiral NNN interactions, which predict the correct low-lying spectrum for B-10 and explain the anomalous long C-14 beta-decay lifetime. We also obtain the small quadrupole moment of Li-6. In addition to explaining long-standing nuclear structure anomalies, the ab initio NCSM provides a predictive framework for observables that are not yet measured or are not directly measurable. For example, reactions between short-lived systems and reaction rates near zero energy are relevant to fusion research but may not be known from experiment with sufficient precision. We, therefore, discuss, in detail, the extension of the ab initio NCSM to nuclear reactions and sketch a number of promising future directions for research emerging from the NCSM foundation, including a microscopic non-perturbative framework for the theory with a core. Having a parameter-free approach, we can construct systems with a core, which will provide an ab initio pathway to heavier nuclei. (C) 2012 Elsevier B.V. All rights reserved.
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