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astro-ph.HE2026
Collapsars Are Not Heavy -Process Factories
Ore Gottlieb, Danat Issa, Jonatan Jacquemin-Ide
Collapsar disks are proposed sources of -process elements, but neutron-rich disk ejecta require gas to be both neutronized in the disk and ejected before accretion. The magnetic…
astro-ph.HE2026
Jets from Scratch: Dynamo-Generated Poloidal Magnetic Fields in 3D Collapsar Simulations
Ho-Sang Chan, Ore Gottlieb, Jonatan Jacquemin-Ide +2
The origin of the large-scale poloidal magnetic field required to power relativistic jets in collapsars remains uncertain. While such a field may be inherited during PNS collapse,…