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Muon neutrinos and the cosmological abundance of primordial black holes

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arxiv 2406.00664 v2 pith:UISDG55K submitted 2024-06-02 astro-ph.CO hep-ph

Jiali Hao , Yupeng Yang , Qianyong Li , Yankun Qu , Shuangxi Yi This is my paper
classification astro-ph.COhep-ph
keywords pbhsfluxneutrinoabundancecomparedcosmologicalannihilationblack
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In the mixed dark matter scenarios consisting of primordial black holes (PBHs) and particle dark matter (DM), PBHs can accrete surrounding DM particles to form ultracompact minihalos (UCMHs or clothed PBHs) even at an early epoch of the Universe. The distribution of DM particles in a UCMH follows a steeper density profile compared with a classical DM halo. It is expected that the DM annihilation rate is very large in UCMHs, resulting in a contribution to, e.g., the extragalactic neutrino flux. In this work, we investigate the extragalactic neutrino flux from clothed PBHs due to DM annihilation, and then the muon flux for neutrino detection. Compared with the atmospheric neutrino flux, we derive the upper limits on the cosmological abundance of PBHs for 10 years of exposure time of, e.g., the IceCube experiment. Compared with other constraints, although the upper limits obtained by us are not the strongest, it is a different way to study the cosmological abundance of PBHs.

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Cited by 3 Pith papers

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

  1. Refining primordial black hole dark matter constraints with dust heating: the role of spin and halo profile dependence

    astro-ph.CO 2026-07 conditional novelty 5.0 of 10

    Dust-heating constraints on PBH dark matter tighten to f_PBH ≈ 10^-4 when PBH spin is included, with the strongest limits for the Isothermal halo profile and weakest for Burkert.

  2. Constraining the Coexistence of Primordial Black Holes and Particle Dark Matter with Neutrino Observations

    hep-ph 2026-07 conditional novelty 5.0 of 10

    A refined halo model turns neutrino-telescope data into upper limits on the primordial-black-hole fraction f_PBH, reaching ~10^-8 in some mass ranges for mixed WIMP/FIMP scenarios.

  3. Constraining primordial black holes and primordial curvature power spectrum with extragalactic muon neutrino

    astro-ph.CO 2026-07 conditional novelty 4.0 of 10

    Neutrino flux from WIMP annihilation in PBH-seeded UCMHs yields f_PBH ≲ 4×10^{-5} (strongest) and P_R ≲ 10^{-1.65} at k∼3×10^{12} Mpc^{-1}.

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