{
  "access": "open",
  "curation": {
    "added": "2026-10-23",
    "quality_notes": ["found by targeted web search; verified: GitHub page meta description fetched.", "Paper association from memory."],
    "source": "web search (xsec_cevns_mass_bb, 2026-10-23)",
    "status": "curated"
  },
  "description": "C++ code for high-precision allowed beta spectrum shapes including all known corrections (finite size, screening, recoil, radiative, atomic exchange, shape factors); applicable to tritium endpoint and reactor/beta-spectrum studies.",
  "distributions": [
    {
      "host": "github",
      "role": "primary",
      "url": "https://github.com/leenderthayen/BSG"
    }
  ],
  "id": "bsg-beta-spectrum-generator",
  "license": "none-stated",
  "short": "BSG: high-precision allowed β spectrum shapes (reactor fluxes, β-decay neutrino physics)",
  "software": {
    "development_status": "unknown",
    "interfaces": ["library"],
    "purposes": ["nuclear-model"],
    "repository": "https://github.com/leenderthayen/BSG"
  },
  "sources": ["nuclear-decay", "reactor"],
  "title": "BSG: Beta Spectrum Generator (Hayen et al.)",
  "topics": ["flux", "absolute-mass"],
  "type": "software",
  "url_landing": "https://github.com/leenderthayen/BSG"
}