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High Energy Physics - Phenomenology · arXiv:hep-ph/0402267 v2 · submitted 25 Feb 2004

Explaining ΩBaryon ≈ 0.2ΩDark through the synthesis of ordinary matter from mirror matter: a more general analysis

R. Foot, R. R. Volkas

The paper says

“We find that while all considered operators imply ΩDark = few× ΩB, only a subset quantitatively reproduce the observed ratio ΩB/ΩDark ≈ 0.20.”

from the abstract · picked out as the main claim by a classifier

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The paper

Abstract

The emerging cosmological picture is of a spatially flat universe composed predominantly of three components: ordinary baryons (ΩB ≈ 0.05), non-baryonic dark matter (ΩDark ≈ 0.22) and dark energy (ΩΛ ≈ 0.7). We recently proposed that ordinary matter was synthesised from mirror matter, motivated by the argument that the observed similarity of ΩB and ΩDark suggests an underlying similarity between the fundamental properties of ordinary and dark matter particles. In this paper we generalise the previous analysis by considering a wider class of effective operators that non-gravitationally couple the ordinary and mirror sectors. We find that while all considered operators imply ΩDark = few× ΩB, only a subset quantitatively reproduce the observed ratio ΩB/ΩDark ≈ 0.20. The ∼ 1 eV mass scale induced through these operators hints at a connection with neutrino oscillation physics.

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abstract compiled · 2026-09-23 · no language-model review

How the main claim is stated: asserted 1.00

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.77 · human participants 0.02 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.97 · compares with prior results 0.86 · mentions code or data availability 0.02

The abstract, sentence by sentence

This table labels the abstract only (arXiv listing abstract v2). The number is the probability the classifier gave the label.

SentenceRoleThe authors' own workStates the main conclusionStrength
The emerging cosmological picture is of a spatially flat universe composed predominantly of three components: ordinary baryons ($\Omega_B \approx 0.05$), non-baryonic dark matter ($\Omega_{Dark} \approx 0.22$) and dark energy ($\Omega_{\Lambda} \approx 0.7$). background 1.00 0.07 0.03 asserted 0.93
We recently proposed that ordinary matter was synthesised from mirror matter, motivated by the argument that the observed similarity of $\Omega_B$ and $\Omega_{Dark}$ suggests an underlying similarity between the fundamental properties of ordinary and dark matter particles. background 0.62 0.83 0.05 asserted 0.77
In this paper we generalise the previous analysis by considering a wider class of effective operators that non-gravitationally couple the ordinary and mirror sectors. contribution 0.93 0.76 0.03 asserted 0.91
We find that while all considered operators imply $\Omega_{Dark} = $ few$\times \Omega_B$, only a subset quantitatively reproduce the observed ratio $\Omega_B/\Omega_{Dark} \approx 0.20$. result 1.00 0.96 0.84 asserted 1.00
The $\sim 1$ eV mass scale induced through these operators hints at a connection with neutrino oscillation physics. interpretation 0.98 0.78 0.05 hedged possibility 0.91

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from proof or derivation 0.92

What was examined, and what was not

Sources read

  • arXiv listing abstract v2

Not examined

  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers

Levels run

  • P abstract

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  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

How the labels were made

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,514 input tokens, $0.0002 reported.

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. This record as JSON

Cited by 15 Pith papers
How the literature uses it

21 arXiv papers cite this in 33 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 10 sentences without a confident label

Cites it as support 1 paper
  • In particular, various baryogenesis scenarios with a hidden sector [ref] [ref] support a mirror baryonic density at least equal to the ordinary one.[ As far as the two sectors have the same particle physics, it is natural to think that the mirror baryon number density $n'_b$ is determined by the baryogenesis mechanism which is similar to the one which fixes the ordinary baryon density $n_b$.

    Cosmology with Mirror Dark Matter · Mirror baryons as cosmological dark matter · 0.97

Cites it as background 19 papers
  • This generally leads to models of mirror matter, where the mirror symmetry is either exact [ref] or judiciously broken [ref] (For other models of mirror matter, see Refs. [ref] ). * introduce new field content so that the running gauge couplings $α_s$ and $α_d$ approach infrared fixed points with similar magnitudes.

    Exploring the cosmological dark matter coincidence using infrared fixed points · Introduction · 0.87

  • The main approach to this problem is to introduce a dark QCD-like gauge group $SU(N_d)$ and some mechanism that relates the confinement scale $Λ_dQCD$ to the QCD confinement scale $Λ_QCD$; the DM candidate in these models is thus a dark baryon whose mass is similar to the proton mass [ref] .

    Explaining the cosmological dark matter coincidence in asymmetric dark QCD · Introduction · 0.87

  • Asymmetric dark matter (ADM) [ref] is one of the frameworks where the coincidence between the relic abundances of the DM and baryon is realized.

    Asymmetric Mediator in Scotogenic Model · Introduction · 0.95

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