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arXiv · 1409.0877

Halo nuclei 6He and 8He with the Coulomb-Sturmian basis

M. A. Caprio·P. Maris·J. P. Vary
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Abstract

The rapid Gaussian falloff of the oscillator functions at large radius makes them poorly suited for the description of the asymptotic properties of the nuclear wave function, a problem which becomes particularly acute for halo nuclei. We consider an alternative basis for ab initio no-core configuration interaction (NCCI) calculations, built from Coulomb-Sturmian radial functions, allowing for realistic exponential falloff. NCCI calculations are carried out for the neutron halo nuclei 6,8He, as well as the baseline case 4He, with the JISP16 nucleon-nucleon interaction. Estimates are made for the root-mean-square radii of the proton and matter distributions.

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M. A. Caprio, P. Maris, J. P. Vary. 2014-09-02. Halo nuclei 6He and 8He with the Coulomb-Sturmian basis. https://doi.org/10.1103/physrevc.90.034305

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