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Title: Open sd-shell nuclei from first principles

Abstract

We extend the ab initio coupled-cluster effective interaction (CCEI) method to open-shell nuclei with protons and neutrons in the valence space, and compute binding energies and excited states of isotopes of neon and magnesium. We employ a nucleon-nucleon and three-nucleon interaction from chiral effective field theory evolved to a lower cutoff via a similarity renormalization group transformation. We find good agreement with experiment for binding energies and spectra, while charge radii of neon isotopes are underestimated. For the deformed nuclei 20Ne and 24Mg we reproduce rotational bands and electric quadrupole transitions within uncertainties estimated from an effective field theory for deformed nuclei, thereby demonstrating that collective phenomena in sd-shell nuclei emerge from complex ab initio calculations.

Authors:
 [1];  [1];  [1];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. TRIUMF, Vancouver, BC (Canada)
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)
OSTI Identifier:
1286940
Alternate Identifier(s):
OSTI ID: 1260298
Grant/Contract Number:  
AC05-00OR22725; SC0008499
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 94; Journal ID: ISSN 2469-9985
Publisher:
APS
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Jansen, Gustav R., Signoracci, Angelo J., Hagen, Gaute, and Navratil, Petr. Open sd-shell nuclei from first principles. United States: N. p., 2016. Web. doi:10.1103/PhysRevC.94.011301.
Jansen, Gustav R., Signoracci, Angelo J., Hagen, Gaute, & Navratil, Petr. Open sd-shell nuclei from first principles. United States. https://doi.org/10.1103/PhysRevC.94.011301
Jansen, Gustav R., Signoracci, Angelo J., Hagen, Gaute, and Navratil, Petr. Tue . "Open sd-shell nuclei from first principles". United States. https://doi.org/10.1103/PhysRevC.94.011301. https://www.osti.gov/servlets/purl/1286940.
@article{osti_1286940,
title = {Open sd-shell nuclei from first principles},
author = {Jansen, Gustav R. and Signoracci, Angelo J. and Hagen, Gaute and Navratil, Petr},
abstractNote = {We extend the ab initio coupled-cluster effective interaction (CCEI) method to open-shell nuclei with protons and neutrons in the valence space, and compute binding energies and excited states of isotopes of neon and magnesium. We employ a nucleon-nucleon and three-nucleon interaction from chiral effective field theory evolved to a lower cutoff via a similarity renormalization group transformation. We find good agreement with experiment for binding energies and spectra, while charge radii of neon isotopes are underestimated. For the deformed nuclei 20Ne and 24Mg we reproduce rotational bands and electric quadrupole transitions within uncertainties estimated from an effective field theory for deformed nuclei, thereby demonstrating that collective phenomena in sd-shell nuclei emerge from complex ab initio calculations.},
doi = {10.1103/PhysRevC.94.011301},
journal = {Physical Review C},
number = ,
volume = 94,
place = {United States},
year = {Tue Jul 05 00:00:00 EDT 2016},
month = {Tue Jul 05 00:00:00 EDT 2016}
}

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Cited by: 55 works
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Works referencing / citing this record:

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