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          "L": 0,
          "Ldag": 1,
          "ec": 0,
          "ecdag": 1,
          "H": 2,
          "Hdag": 1
        },
        "canonicalDimension": 6,
        "totalDegree": 5,
        "charges": {},
        "invariantCount": "9"
      },
      {
        "powers": {
          "Q": 0,
          "Qdag": 0,
          "uc": 0,
          "ucdag": 0,
          "dc": 0,
          "dcdag": 0,
          "L": 0,
          "Ldag": 0,
          "ec": 2,
          "ecdag": 2,
          "H": 0,
          "Hdag": 0
        },
        "canonicalDimension": 6,
        "totalDegree": 4,
        "charges": {},
        "invariantCount": "36"
      },
      {
        "powers": {
          "Q": 0,
          "Qdag": 0,
          "uc": 0,
          "ucdag": 0,
          "dc": 0,
          "dcdag": 0,
          "L": 0,
          "Ldag": 0,
          "ec": 0,
          "ecdag": 0,
          "H": 3,
          "Hdag": 3
        },
        "canonicalDimension": 6,
        "totalDegree": 6,
        "charges": {},
        "invariantCount": "1"
      }
    ],
    "totals": {
      "sectorCount": 46,
      "invariantCount": "2874",
      "byDimension": [
        {
          "dimension": 2,
          "sectorCount": 1,
          "invariantCount": "1"
        },
        {
          "dimension": 4,
          "sectorCount": 7,
          "invariantCount": "55"
        },
        {
          "dimension": 5,
          "sectorCount": 2,
          "invariantCount": "12"
        },
        {
          "dimension": 6,
          "sectorCount": 36,
          "invariantCount": "2806"
        }
      ]
    },
    "diagnostics": {
      "visited": 2102,
      "chargeRejected": 1994,
      "selectionRejected": 0,
      "lorentzRejected": 62,
      "centerRejected": 0,
      "capacityRejected": 0,
      "candidates": 46,
      "completed": 46,
      "zeroSectors": 0,
      "operations": 29499,
      "peakStates": 855
    },
    "complete": true
  },
  "conventionId": "four-d-local-polynomial-v1",
  "execution": "Local exact JavaScript enumeration and character projection",
  "sources": [
    {
      "id": "marinissen-rahn-waalewijn-2020",
      "title": "Efficient Hilbert Series for Effective Theories",
      "authors": [
        "Coenraad B. Marinissen",
        "Rudi Rahn",
        "Wouter J. Waalewijn"
      ],
      "url": "https://arxiv.org/abs/2004.09521",
      "locator": "§II A, Eqs. (2)–(4): symmetric/exterior powers and Haar projection without derivatives.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper; the implementation and explanatory text are original. No upstream code or figures are redistributed."
    },
    {
      "id": "lehman-martin-2015",
      "title": "Hilbert Series for Constructing Lagrangians: expanding the phenomenologist’s toolbox",
      "authors": [
        "Landon Lehman",
        "Adam Martin"
      ],
      "url": "https://arxiv.org/abs/1503.07537",
      "locator": "§4.1, Eq. (4.2): 57 QQQL operators for three generations; Appendix A: characters, plethystic exponentials and Haar measure.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper; benchmark values are independently recomputed."
    },
    {
      "id": "fonseca-2020",
      "title": "Enumerating the operators of an effective field theory",
      "authors": [
        "Renato M. Fonseca"
      ],
      "url": "https://arxiv.org/abs/1907.12584",
      "locator": "§3, Eq. (49) and Table 2: QQQL flavor count n_L n_Q (2 n_Q² + 1)/3; Eq. (51): n²(n²−1)/12 four-sterile-Weyl invariants.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper; original independent character calculations reproduce its flavor polynomial."
    },
    {
      "id": "dreiner-haber-martin-2010",
      "title": "Two-component spinor techniques and Feynman rules for quantum field theory and supersymmetry",
      "authors": [
        "Herbi K. Dreiner",
        "Howard E. Haber",
        "Stephen P. Martin"
      ],
      "url": "https://arxiv.org/abs/0812.1594",
      "locator": "§2 and §3.2: two-component Lorentz spinors, spinor contractions and symmetric fermion mass matrices.",
      "kind": "paper",
      "licenseNote": "Linked primary reference; no upstream text or figures are mirrored."
    },
    {
      "id": "henning-lu-melia-murayama-2017",
      "title": "Higher dimension operators in the SM EFT",
      "authors": [
        "Brian Henning",
        "Xiaochuan Lu",
        "Tom Melia",
        "Hitoshi Murayama"
      ],
      "url": "https://arxiv.org/abs/1512.03433",
      "locator": "§2: operator Hilbert series and the additional treatment required for derivatives, equations of motion and integration by parts.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper; used to delimit the scope of this derivative-free calculation."
    },
    {
      "id": "alonso-jenkins-manohar-trott-2014-counting",
      "title": "Renormalization Group Evolution of the Standard Model Dimension Six Operators III: Gauge Coupling Dependence and Phenomenology",
      "authors": [
        "Rodrigo Alonso",
        "Elizabeth E. Jenkins",
        "Aneesh V. Manohar",
        "Michael Trott"
      ],
      "url": "https://arxiv.org/abs/1312.2014",
      "locator": "Appendix A and Table 2: flavor-dependent coefficient counts, including 30 and 2205 baryon-preserving four-fermion directions for one and three generations.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper. The local enumeration and explanatory derivation are original; no upstream text, code, or figures are redistributed."
    },
    {
      "id": "alonso-et-al-2014-baryon-violation",
      "title": "Renormalization group evolution of dimension-six baryon number violating operators",
      "authors": [
        "Rodrigo Alonso",
        "Hsi-Ming Chang",
        "Elizabeth E. Jenkins",
        "Aneesh V. Manohar",
        "Brian Shotwell"
      ],
      "url": "https://arxiv.org/abs/1405.0486",
      "locator": "Eq. (1) and Table I: four baryon-violating field structures and 273 complex coefficients in the three-generation ΔB = 1 sector without sterile neutrinos.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper. Published flavor polynomials are independently recomputed; no upstream text or figures are redistributed."
    },
    {
      "id": "kobach-2016-dimension-selection",
      "title": "Baryon Number, Lepton Number, and Operator Dimension in the Standard Model",
      "authors": [
        "Andrew Kobach"
      ],
      "url": "https://arxiv.org/abs/1604.05726",
      "locator": "Eqs. (15)–(18): d ≡ (ΔB − ΔL)/2 modulo 2 for Standard Model Lorentz- and hypercharge-invariant operators.",
      "kind": "paper",
      "licenseNote": "Linked primary research paper. Used as a necessary selection-rule cross-check, not as a replacement for exact invariant counting."
    }
  ]
}
