We study the hypertriton using the formalism of hyperspherical harmonics, for spin-independent NN and N{Λ} two-body potentials of Gaussian shape. We use up to 19 Simonov harmonics for the Verma-Sural potential, and obtain a ground state energy 240 keV below their value of -2.35 MeV found for 9 Simonov harmonics. The partial waves are used to calculate various expectation values for the hypertriton. We readjust the strength of the {Λ}N potential to obtain agreement between the calculated energy and the experimental value.
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Clare et al. (1985) studied this question.
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