Molecular Chemistry for Dark Matter III: DarkKROME

Abstract

Dark matter that is dissipative may cool sufficiently to form compact objects, including black holes. Determining the abundance and mass spectrum of those objects requires an accurate model of the chemistry relevant for the cooling of the dark matter gas. Here we introduce a chemistry tool for dark matter, DarkKROME, an extension of the KROME software package. DarkKROME is designed to include all atomic and molecular processes relevant for dark matter with two unequal-mass fundamental fermions, interacting via a massless-photon mediated $U(1)$ force. We use DarkKROME to perform one-zone collapse simulations and study the evolution of temperature-density phase diagrams for various dark-sector parameters.

17 pages, 7 figures. Updated with changes for published version. DarkKROME is publicly available at https://bitbucket.org/mtryan83/darkkrome

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Cited by in corpus (6)

• Constraining resonant dark matter self-interactions with strong gravitational lenses
• A Lower Bound on the Mass of Compact Objects from Dissipative Dark Matter
• Molecular Chemistry for Dark Matter II: Recombination, Molecule Formation, and Halo Mass Function in Atomic Dark Matter
• Dark Black Holes in the Mass Gap
• Baryogenesis through Asymmetric Reheating in the Mirror Twin Higgs
• The Effect of Multiple Cooling Channels on the Formation of Dark Compact Objects