2000 **Abstract:** The d + N systems are studied in a three-body model, using phenomenological N-N interactions. The scattering matrices are calculated by using the Kohn-Hulthén variational method. Then, they are analytically continued to complex energies and their singularities are localized. We find a virtual state at E = −1.66 MeV in 3 H and a pair of states at E = (−0.42 ± i0.52) MeV in 3 He relative to the d + N thresholds, respectively. In addition, we discuss some general aspects and problems of virtual states which may b…

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“…Since our findings contradict the conclusions of ref. [7], we explore the claims made in that paper.…”

confidence: 97%

“…Since our findings contradict the conclusions of ref. [7], we explore the claims made in that paper.…”

confidence: 97%

“…As noted previously, a projection operator may be needed and this is amplified in the discussion of ref. [7] in the next section. It is also χ l (normalized to one) that in this approach should be identified with the single-particle wave function, both because of this better correspondence with the true spectroscopic amplitude and because of the form of the equation which it satisfies.…”

confidence: 98%