{
 "schema": "ghu-tt-spectrum-reference-v1",
 "mt": 172.5,
 "pdf": {
  "set": "NNPDF23_lo_as_0130_qed",
  "lhapdf_id": 247000,
  "lhapdf_version": "6.5.6"
 },
 "alpha_s": {
  "aZ": 0.13,
  "nf": 6,
  "MZ": 91.1876
 },
 "alpha_s_rule": "one loop, mu = m(tt) at QCD vertices, alpha_s(M) at octet vertices",
 "method": {
  "partonic": "Dirac-matrix traces, Gauss-Legendre in cos(theta)",
  "gg": "integrated Combridge formula (checked against the differential one in section A)",
  "hadronic": "LHAPDF directly, Simpson in ln x (300 panels) and in m (16 panels per bin; the threshold bin in u = sqrt(m - 2 mt)), mu = m(tt)"
 },
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 ],
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 ],
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