Density-induced dark-baryon conversion in $\Delta -$admixed hypernuclear neutron stars

Niyar Prabhat Kalita, Vivek Baruah Thapa, Bhanu Prakash Pant +2

We investigate density-induced conversion of neutrons into a neutral dark baryon $\chi$ in cold, charge-neutral, $\beta$-equilibrated neutron-star matter containing hyperons and all $Δ(12…