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The elastic scattering properties of three bosons at low energy enter themany-body description of ultracold Bose gases via the three-body scatteringhypervolume $D$. We study this quantity for identical bosons that interact viaa pairwise finite-range potential. Our calculations cover the regime fromstrongly repulsive potentials towards attractive potentials supporting multipletwo-body bound states and are consistent with the few existing predictions for$D$. We present the first numerical confirmation of the universal predictionsfor $D$ in the strongly interacting regime, where Efimov physics dominates, fora local nonzero-range potential. Our findings highlight how $D$ is influencedby three-body quasibound states with strong $d$-wave or $g$-wavecharacteristics in the weakly interacting regime.

Scattering hypervolume for ultracold bosons from weak to strong interactions