Pith Number

pith:5DIPMS73

pith:2026:5DIPMS73Y65HB5GHC2M5WCQU4D

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Bayesian analysis of density profile of light dark matter elucidating the properties of dark matter admixed neutron stars in the presence of hyperons

Atanu Guha, Chang Ho Hyun, Debashree Sen

Bayesian inference shows that the mass and density-profile parameter of sub-GeV dark matter in neutron stars are nearly independent of the hadronic model for moderate symmetry-energy slopes.

arxiv:2605.14447 v1 · 2026-05-14 · nucl-th · hep-ph · hep-th

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Record completeness

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Claims

C1strongest claim

Employing models of DMANSs that satisfy several observational data, we infer with Bayesian analysis, the likely ranges of m_χ and α are almost independent of the underlying hadronic model within 40 MeV ≲ L0 < 58 MeV.

C2weakest assumption

The assumption that the dark-matter density profile inside the star can be written as an exponential function of baryon density controlled by a single free parameter α, together with the requirement that dark matter contributes less than 10 percent to the total mass.

C3one line summary

Bayesian analysis finds that the likely ranges of light dark-matter fermion mass and exponential density-profile parameter in hyperon-containing neutron stars are nearly independent of the hadronic model for symmetry-energy slopes between 40 and 58 MeV, with HESS J1731-347 and GW170817 data playing,

References

140 extracted · 140 resolved · 34 Pith anchors

[1] Heavy-mass stars are relevant to the effect of exotic degrees of freedom like hyperons and quark matter 1940

[2] = X B=N,Y gωB ρB,(20) m2 ρρ03 + 2Λωρ(g2 ωN ω2 0)(g2 ρN ρ03) = X B=N,Y gρB 2 τ3BρB,(21) and m2 ϕϕ0 +d 3ϕ3 0 + 2Λϕρ(g2 ϕN ϕ2 0)(g2 ρN ρ2

[3] (11) and (18), respectively, except for the fact that the couplings are density independent and Σ R=0 in Eq

[4] The permitted values ofm η andm ξ corresponding to the range ofm χ are already shown in our previous works [37, 38, 48]

[5] and corresponding radius [25] are also indicated. The constraints onM−Rplane prescribed from GW170817 [21], the NICER experiment for PSR J0030+0451 [22], HESS J1731-347 [26], PSR J0437-4715 [23], and

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-05-17T23:39:06.943717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d0f64bfbc7ba70f4c71699db0a14e0c7163ef1d52dd4cb3e04a766a011e014

Aliases

arxiv: 2605.14447 · arxiv_version: 2605.14447v1 · doi: 10.48550/arxiv.2605.14447 · pith_short_12: 5DIPMS73Y65H · pith_short_16: 5DIPMS73Y65HB5GH · pith_short_8: 5DIPMS73

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5DIPMS73Y65HB5GHC2M5WCQU4D \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e8d0f64bfbc7ba70f4c71699db0a14e0c7163ef1d52dd4cb3e04a766a011e014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2fa4a2038bc175ffd8ed1932079b33f34e2f1ac0c2c50bd35b6d703c7e295f",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-05-14T06:41:34Z",
    "title_canon_sha256": "625e8d6f9bfd3a12e3f496acb0d1d4148095e6e61f9286a6b79501195d759f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14447",
    "kind": "arxiv",
    "version": 1
  }
}