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Higgs-Portal GeV Dark Matter Detector Forecast Tool

A forecasting tool that turns the paper's benchmark dark matter model into concrete predictions — recoil spectra and exclusion curves — for low-threshold underground detectors, so experiments can immediately see whether the model is within or beyond their reach.

Physics and AstronomyDark Matter and Cosmic Phenomena
Cosmology and Gravitation TheoriesDirect-detection dark matter experiments (low-threshold underground detectors)

Concept

A forecasting tool for low-threshold dark matter detectors. The user selects a benchmark point from the paper's parameter ranges (GeV-scale dark fermion mass, mediator mass, Higgs-portal coupling); the tool computes the Higgs-mediated scattering of the dark fermion on electrons and nuclei, then folds those cross sections with published detector thresholds, exposures, and backgrounds. Outputs are the expected recoil spectra, event-rate predictions, and — most importantly — a map of which regions of the paper's benchmark space each experiment can already exclude and which require future exposure. The single wedge is: benchmark point in, detector-ready signal prediction out.

Why now

The paper [0] establishes a concrete, well-motivated target for exactly the detector class now coming online: a stable, cold, GeV-scale fermion whose abundance comes from a baryon-comparable asymmetry (motivated by the observed dark-to-baryonic density ratio of about 5.4) and whose only coupling to visible matter is the Higgs portal, with explicit benchmark parameter ranges. GeV-scale masses sit in the sweet spot of low-threshold electron-recoil and cryogenic detectors such as SENSEI, SuperCDMS, and DAMIC, and the broader corpus shows the field pivoting toward light dark matter candidates in the 'no WIMP era' [3]. What is missing is a turnkey link from this specific benchmark space to detector sensitivities — today each experiment needs bespoke theory input to know whether the model is testable.

Written by GLM · 2 Oct 2026

AI assessment

Backed by 2 papers83

A highly focused, feasible utility that bridges a specific theoretical benchmark to experimental reality, though it faces a small total addressable market of specialized physicists.

Evidence strength
5/5
The idea directly maps the specific parameter ranges and Higgs-portal mechanism described in the primary paper to the known capabilities of the named detectors.
Market pull
2/5
The user base is limited to a handful of global collaborations, and such tools are often built in-house by theorists associated with those experiments.
Novelty & moat
4/5
While similar to the 'Boltzmann Workbench' in its theoretical basis, this shifts the value proposition from early-universe abundance to current-day detector signal prediction.
Feasibility
5/5
The physics is well-defined (cross-section calculations and folding with thresholds), making this a straightforward software implementation for a small team.
Wedge clarity
5/5
The 'benchmark point in, detector-ready signal out' is a sharp, high-value entry point that solves a specific friction for experimentalists.
Simplicity / focus
5/5
The product is a single-purpose calculator/forecaster without any unnecessary platform bloat.

Scored by Gemma 4 · 2 Oct 2026. Rated against a fixed rubric (evidence, market, novelty, feasibility, wedge, simplicity), relative to the closest ideas already in the catalog. A prior estimate to compare ideas before real-world signal arrives.

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Who benefits

  • SENSEI collaborationorganization

    SENSEI's skipper-CCD electron-recoil detector is purpose-built for low-mass dark matter; the mapper tells it directly which Higgs-portal benchmark regions its exposure can exclude.

  • SuperCDMSorganization

    Its cryogenic detectors at SNOLAB reach low nuclear-recoil thresholds well matched to GeV-scale masses; the tool converts the paper's benchmarks into spectra it can compare against its data.

  • DAMICorganization

    DAMIC's low-threshold silicon detectors are sensitive to light dark matter; ready signal forecasts let the collaboration prioritize analysis channels for this model.

  • XENON collaborationorganization

    Its electron-recoil analyses can probe light dark matter; the mapper identifies which parts of the benchmark space its next runs could reach.

Research it builds on

  1. A Minimal Asymmetric Dark Matter Model with Higgs-Portal Mediation A GeV-Scale Counterpart to Visible Matter
    Thys, Albert Jean H Thys · 2026 · 451 citations
    All ideas from this paper →
  2. Recognizing Axionic Dark Matter by Compton and de Broglie Scale Modulation of Pulsar Timing
    Ivan De Martino, Tom Broadhurst, S.-H. Henry Tye et al. · 2017 · 83 citations
    All ideas from this paper →
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feasibility