and systems at threshold. II. The effect of waves
H Garcilazo, A Valcarce, T Fernández-Caramés - Physical Review C—Nuclear …, 2007 - APS
H Garcilazo, A Valcarce, T Fernández-Caramés
Physical Review C—Nuclear Physics, 2007•APSUsing the two-body interactions obtained from a chiral constituent quark model, we study all
Λ NN and Σ NN states with I= 0, 1, 2 and J= 1/2, 3/2 at threshold, taking into account all three-
body configurations with S and D wave components. We constrain further the limits for the Λ
N spin-triplet scattering length a 1/2, 1. Using the hypertriton binding energy, we find a
narrow interval for the possible values of the Λ N spin-singlet scattering length a 1/2, 0. We
find that the Σ NN system has a quasibound state in the (I, J)=(1, 1/2) channel very near …
Λ NN and Σ NN states with I= 0, 1, 2 and J= 1/2, 3/2 at threshold, taking into account all three-
body configurations with S and D wave components. We constrain further the limits for the Λ
N spin-triplet scattering length a 1/2, 1. Using the hypertriton binding energy, we find a
narrow interval for the possible values of the Λ N spin-singlet scattering length a 1/2, 0. We
find that the Σ NN system has a quasibound state in the (I, J)=(1, 1/2) channel very near …
Using the two-body interactions obtained from a chiral constituent quark model, we study all and states with and at threshold, taking into account all three-body configurations with and wave components. We constrain further the limits for the spin-triplet scattering length . Using the hypertriton binding energy, we find a narrow interval for the possible values of the spin-singlet scattering length . We find that the system has a quasibound state in the channel very near threshold with a width of about 2.1 MeV.
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