Universal aspects of Efimov states and light halo nuclei
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American Physical Society (APS)
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Abstract
The parametric region in the plane defined by the ratios of the energies of the subsystems and the three-body ground state, in which Efimov states can exist, is determined. We use a renormalizable model that guarantees the general validity of our results in the context of short-range interactions. The experimental data for one-and two-neutron separation energies, implies that among the halo nuclei candidates, only 20C has a possible Efimov state, with an estimated energy less than 14 KeV below the scattering threshold.
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English
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Physical Review C - Nuclear Physics, v. 56, n. 5, 1997.
