Nonperturbative shell-model interactions from the in-medium similarity renormalization group - INSPIRE

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Nonperturbative shell-model interactions from the in-medium similarity renormalization group

Feb 6, 2014

5 pages

Published in:

Phys.Rev.Lett. 113 (2014) 142501

Published: Oct 3, 2014

e-Print:

1402.1407 [nucl-th]

DOI:

10.1103/PhysRevLett.113.142501

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Abstract: (APS)

We present the first ab initio construction of valence-space Hamiltonians for medium-mass nuclei based on chiral two- and three-nucleon interactions using the in-medium similarity renormalization group. When applied to the oxygen isotopes, we find experimental ground-state energies are well reproduced, including the flat trend beyond the drip line at O24. Similarly, natural-parity spectra in O21,22,23,24 are in agreement with experiment, and we present predictions for excited states in O25,26. The results exhibit a weak dependence on the harmonic-oscillator basis parameter and reproduce spectroscopy within the standard sd valence space.

Note:

6 pages, 5 figures, published version

21.60.Cs
21.10.-k
21.30.Fe
21.60.De

References(53)

Figures(5)

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