Matter and charge radius of 6He in the hyperspherical-harmonics approach. Bacca, S., Barnea, N., & Schwenk, A. Physical Review C - Nuclear Physics, 86(3):34321, sep, 2012.
Paper doi abstract bibtex We present ab initio calculations of the binding energy and radii of the two-neutron halo nucleus 6He using two-body low-momentum interactions based on chiral effective field theory potentials. Calculations are performed via a hyperspherical-harmonics expansion where the convergence is sped up introducing an effective interaction for nonlocal potentials. The latter is essential to reach a satisfactory convergence of the extended matter radius and of the point-proton radius. The dependence of the results on the resolution scale is studied. A correlation is found between the radii and the two-neutron separation energy. The importance of three-nucleon forces is pointed out comparing our results and previous calculations to experiment. \textcopyright 2012 American Physical Society.
@article{bacca_matter_2012,
abstract = {We present ab initio calculations of the binding energy and radii of the two-neutron halo nucleus 6He using two-body low-momentum interactions based on chiral effective field theory potentials. Calculations are performed via a hyperspherical-harmonics expansion where the convergence is sped up introducing an effective interaction for nonlocal potentials. The latter is essential to reach a satisfactory convergence of the extended matter radius and of the point-proton radius. The dependence of the results on the resolution scale is studied. A correlation is found between the radii and the two-neutron separation energy. The importance of three-nucleon forces is pointed out comparing our results and previous calculations to experiment. {\textcopyright} 2012 American Physical Society.},
annote = {From Duplicate 2 (Matter and charge radius of 6He in the hyperspherical-harmonics approach - Bacca, S.; Barnea, N.; Schwenk, A.)
Publisher: American Physical Society},
author = {Bacca, S. and Barnea, N. and Schwenk, A.},
doi = {10.1103/PhysRevC.86.034321},
issn = {1089490X},
journal = {Physical Review C - Nuclear Physics},
month = {sep},
number = {3},
pages = {34321},
title = {{Matter and charge radius of 6He in the hyperspherical-harmonics approach}},
url = {http://link.aps.org/doi/10.1103/PhysRevC.86.034321},
volume = {86},
year = {2012}
}
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