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A Dark Matter Probe in Accreting Pulsar-Black Hole Binaries

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arxiv 2304.08824 v3 pith:VOBOCEOB submitted 2023-04-18 astro-ph.HE astro-ph.COgr-qchep-ph

classification astro-ph.HEastro-ph.COgr-qchep-ph
keywords accretionmassmodelaccretingbinariesblackdarkhelp
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The accretion of dark matter (DM) into astrophysical black holes slowly increases their mass. The rate of this mass accretion depends on the DM model and the model parameters. If this mass accretion effect can be measured accurately enough, it is possible to rule out some DM models, and, with the sufficient technology and the help of other DM constraints, possibly confirm one model. We propose a DM probe based on accreting pulsar-black hole binaries, which provide a high-precision measurement on binary orbital phase shifts induced by DM accretion into black holes, and can help rule out DM models and study the nature of DM.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Can Orbital Decay of Accreting Binary Pulsars Probe Dark Matter?

    hep-ph 2025-07 conditional novelty 5.0 of 10

    Dark matter accretion onto binary pulsars is far too weak to affect observed orbital decay, so existing pulsar timing data cannot probe dark matter microphysics.

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