Ab Initio Nuclear Structure Calculations of Light Nuclei
Abstract
We perform no-core configuration interaction calculations for nuclei in the p-shell. We show that for typical light nuclei, a truncation on the total number of quanta in the many-body system converges much more rapidly than a full configuration interaction (FCI) truncation, which is a truncation on the single-particle basis space. We present new results for the ground state energies of the Be isotopes with the nonlocal two-body potential JISP16, and discuss emerging phenomena such as clustering and rotational band structures in 9Be. We also show that the anomalously suppressed beta decay of 14C to the ground state of 14N can be reproduced using two- and three-nucleon forces from chiral effective field theory. In particular the structure of the ground state of 14N is sensitive to the three-nucleon force.
- Authors:
-
- Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
- Sponsoring Org.:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR). Scientific Discovery through Advanced Computing (SciDAC); National Science Foundation (NSF)
- OSTI Identifier:
- 1567301
- Grant/Contract Number:
- FC02-09ER41582; FG02-87ER40371; AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physics. Conference Series
- Additional Journal Information:
- Journal Volume: 402; Conference: 23. International Conference on Computational Physics, Gatlinburg, TN (United States), 16-20 Oct 2011; Journal ID: ISSN 1742-6588
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Maris, Pieter. Ab Initio Nuclear Structure Calculations of Light Nuclei. United States: N. p., 2012.
Web. doi:10.1088/1742-6596/402/1/012031.
Maris, Pieter. Ab Initio Nuclear Structure Calculations of Light Nuclei. United States. https://doi.org/10.1088/1742-6596/402/1/012031
Maris, Pieter. Sat .
"Ab Initio Nuclear Structure Calculations of Light Nuclei". United States. https://doi.org/10.1088/1742-6596/402/1/012031. https://www.osti.gov/servlets/purl/1567301.
@article{osti_1567301,
title = {Ab Initio Nuclear Structure Calculations of Light Nuclei},
author = {Maris, Pieter},
abstractNote = {We perform no-core configuration interaction calculations for nuclei in the p-shell. We show that for typical light nuclei, a truncation on the total number of quanta in the many-body system converges much more rapidly than a full configuration interaction (FCI) truncation, which is a truncation on the single-particle basis space. We present new results for the ground state energies of the Be isotopes with the nonlocal two-body potential JISP16, and discuss emerging phenomena such as clustering and rotational band structures in 9Be. We also show that the anomalously suppressed beta decay of 14C to the ground state of 14N can be reproduced using two- and three-nucleon forces from chiral effective field theory. In particular the structure of the ground state of 14N is sensitive to the three-nucleon force.},
doi = {10.1088/1742-6596/402/1/012031},
journal = {Journal of Physics. Conference Series},
number = ,
volume = 402,
place = {United States},
year = {Sat Dec 01 00:00:00 EST 2012},
month = {Sat Dec 01 00:00:00 EST 2012}
}
Web of Science
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