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Nuclear structure with accurate chiral perturbation theory nucleon-nucleon potential: Application to $^{6}$Li and $^{10}$B

Abstract : We calculate properties of the A = 6 system using the accurate charge-dependent nucleon-nucleon (NN) potential at fourth order of chiral perturbation theory. By application of the ab initio no-core shell model and a variational calculation in the harmonic-oscillator basis with basis size up to 16 we obtain the 6Li binding energy of 28.5(5)MeV and a converged excitation spectrum. Also, we calculate properties of 10B using the same NN potential in a basis space of up to 8 . Our results are consistent with results obtained by standard accurate NN potentials and demonstrate a deficiency of Hamiltonians consisting of only two-body terms. At this order of chiral perturbation theory three-body terms appear. It is expected that inclusion of such terms in the Hamiltonian will improve agreement with experiment. ©2004 The American Physical Society
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Submitted on : Monday, February 2, 2004 - 2:25:01 PM
Last modification on : Friday, October 8, 2021 - 10:46:05 AM

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P. Navratil, E. Caurier. Nuclear structure with accurate chiral perturbation theory nucleon-nucleon potential: Application to $^{6}$Li and $^{10}$B. Physical Review C, American Physical Society, 2004, 69, pp.014311-1-014311-11. ⟨in2p3-00020399⟩

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