Determine whether late torus-fed outflows produce a genuine r-process

Determine whether the late-time, torus-fed neutron-rich outflow predicted in longer-duration rotating accretion-induced-collapse simulations would extend the short-term three-dimensional yields toward a genuine $r$-process abundance pattern, including production beyond the marginal third-peak signal obtained in the present calculations.

Background

The simulations post-processed in the paper follow the ejecta for less than approximately one second and produce, at most, a marginal and non-robust third $r$-process peak in the most rapidly rotating magnetised model. Other long-duration studies identify a later neutron-rich phase associated with a torus-fed neutrino-driven wind. The paper explicitly leaves unresolved whether that late phase would materially increase the heavy-element yields.