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Ab initio study of neutron drops with chiral Hamiltonians

Potter, H. D. and Fischer, Sebastian and Maris, P. and Vary, J. P. and Binder, S. and Calci, A. and Langhammer, J. and Roth, R. (2014):
Ab initio study of neutron drops with chiral Hamiltonians.
In: Physics Letters B, (B739), pp. 445-450, ISSN 0370-2693, [Article]

Abstract

We report ab initio calculations for neutron drops in a 10 MeV external harmonic-oscillator trap using chiral nucleon–nucleon plus three-nucleon interactions. We present total binding energies, internal energies, radii and odd–even energy differences for neutron numbers N = 2–18 using the no-core shell model with and without importance truncation. Furthermore, we present total binding energies for N = 8, 16, 20, 28, 40, 50 obtained in a coupled-cluster approach. Comparisons with quantum Monte Carlo results, where available, using Argonne v 8 with three-nucleon interactions reveal important dependences on the chosen Hamiltonian.

Item Type: Article
Erschienen: 2014
Creators: Potter, H. D. and Fischer, Sebastian and Maris, P. and Vary, J. P. and Binder, S. and Calci, A. and Langhammer, J. and Roth, R.
Title: Ab initio study of neutron drops with chiral Hamiltonians
Language: English
Abstract:

We report ab initio calculations for neutron drops in a 10 MeV external harmonic-oscillator trap using chiral nucleon–nucleon plus three-nucleon interactions. We present total binding energies, internal energies, radii and odd–even energy differences for neutron numbers N = 2–18 using the no-core shell model with and without importance truncation. Furthermore, we present total binding energies for N = 8, 16, 20, 28, 40, 50 obtained in a coupled-cluster approach. Comparisons with quantum Monte Carlo results, where available, using Argonne v 8 with three-nucleon interactions reveal important dependences on the chosen Hamiltonian.

Journal or Publication Title: Physics Letters B
Number: B739
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Light Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design
18 Department of Electrical Engineering and Information Technology
Date Deposited: 09 May 2017 12:00
Additional Information:

doi 10.1016/j.physletb.2014.10.020

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