A public tool with new exact rescaling identities makes bound-state-formation cross sections with up to 100 excited states fast enough for routine dark-matter Boltzmann-solver scans.
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BSFfast: Rapid computation of bound-state effects on annihilation in the early Universe
A public tool with new exact rescaling identities makes bound-state-formation cross sections with up to 100 excited states fast enough for routine dark-matter Boltzmann-solver scans.