iguana.json

[
  {
    "name":      "REC::Particle::Sector",
    "algorithm": "clas12::SectorFinder",
    "group":     30000,
    "item":      1,
    "info":      "",
    "entries": [
      { "name": "pindex", "type": "S", "info": "row number in the particle bank" },
      { "name": "sector", "type": "I", "info": "sector for this particle" }
    ]
  },
  {
    "name":      "physics::InclusiveKinematics",
    "algorithm": "physics::InclusiveKinematics",
    "group":     30000,
    "item":      2,
    "info":      "",
    "entries": [
      { "name": "pindex",  "type": "S", "info": "`REC::Particle` row (`pindex`) of the scattered electron" },
      { "name": "Q2",      "type": "D", "info": "@latex{Q^2} (GeV@latex{^2})" },
      { "name": "x",       "type": "D", "info": "@latex{x_B}" },
      { "name": "y",       "type": "D", "info": "@latex{y}" },
      { "name": "W",       "type": "D", "info": "@latex{W} (GeV)" },
      { "name": "nu",      "type": "D", "info": "@latex{\\nu}" },
      { "name": "qx",      "type": "D", "info": "@latex{x}-component of virtual photon momentum @latex{q}" },
      { "name": "qy",      "type": "D", "info": "@latex{y}-component of virtual photon momentum @latex{q}" },
      { "name": "qz",      "type": "D", "info": "@latex{z}-component of virtual photon momentum @latex{q}" },
      { "name": "qE",      "type": "D", "info": "@latex{E}-component of virtual photon momentum @latex{q}" },
      { "name": "beamPz",  "type": "D", "info": "beam momentum @latex{z}-component (GeV)" },
      { "name": "targetM", "type": "D", "info": "target mass (GeV)" }
    ]
  },
  {
    "name":      "physics::SingleHadronKinematics",
    "algorithm": "physics::SingleHadronKinematics",
    "group":     30000,
    "item":      3,
    "info":      "",
    "entries": [
      { "name": "pindex", "type": "S", "info": "`REC::Particle` row (`pindex`) of the hadron" },
      { "name": "pdg",    "type": "I", "info": "PDG code of the hadron" },
      { "name": "z",      "type": "D", "info": "@latex{z}: Momentum fraction of the fragmenting parton carried by the hadron" },
      { "name": "PhPerp", "type": "D", "info": "@latex{P_h^\\perp}: transverse momentum of the hadron in the @latex{\\perp}-frame (transverse to @latex{\\vec{q}})" },
      { "name": "MX2",    "type": "D", "info": "@latex{M_X^2(ehX)}: Missing mass squared of the hadron" },
      { "name": "xF",     "type": "D", "info": "@latex{x_F}: Feynman-x of the hadron" },
      { "name": "yB",     "type": "D", "info": "@latex{y_{h,B}}: Breit frame rapidity of the hadron" },
      { "name": "phiH",   "type": "D", "info": "@latex{\\phi_h}: @latex{q}-azimuthal angle between the lepton-scattering plane and the @latex{\\vec{q}\\times\\vec{P}_h} plane; if the value is `tools::UNDEF`, the calculation failed" },
      { "name": "xi",     "type": "D", "info": "@latex{\\xi_h}: Longitudinal momentum fraction of the nucleon carried by the hadron" }
    ]
  },
  {
    "name":      "physics::DihadronKinematics",
    "algorithm": "physics::DihadronKinematics",
    "group":     30000,
    "item":      4,
    "info":      "",
    "entries": [
      { "name": "pindex_a", "type": "S", "info": "`REC::Particle` row (`pindex`) of hadron A" },
      { "name": "pindex_b", "type": "S", "info": "`REC::Particle` row (`pindex`) of hadron B" },
      { "name": "pdg_a",    "type": "I", "info": "PDG code of hadron A" },
      { "name": "pdg_b",    "type": "I", "info": "PDG code of hadron B" },
      { "name": "Mh",       "type": "D", "info": "@latex{M_h}: Invariant mass of the dihadron" },
      { "name": "z",        "type": "D", "info": "@latex{z}: Momentum fraction of the fragmenting parton carried by the dihadron" },
      { "name": "PhPerp",   "type": "D", "info": "@latex{P_h^\\perp}: transverse momentum of the dihadron in the @latex{\\perp}-frame (transverse to @latex{\\vec{q}})" },
      { "name": "MX2",      "type": "D", "info": "@latex{M_X^2(ehhX)}: Missing mass squared of the dihadron" },
      { "name": "xF",       "type": "D", "info": "@latex{x_F}: Feynman-x of the dihadron" },
      { "name": "yB",       "type": "D", "info": "@latex{y_{h,B}}: Breit frame rapidity of the dihadron" },
      { "name": "phiH",     "type": "D", "info": "@latex{\\phi_h}: @latex{q}-azimuthal angle between the lepton-scattering plane and the @latex{\\vec{q}\\times\\vec{P}_h} plane; if the value is `tools::UNDEF`, the calculation failed" },
      { "name": "phiR",     "type": "D", "info": "@latex{\\phi_R}: @latex{q}-azimuthal angle between the lepton-scattering plane and dihadron plane; if the value is `tools::UNDEF`, the calculation failed" },
      { "name": "theta",    "type": "D", "info": "@latex{\\theta}: The 'decay' angle of hadron A in the dihadron rest frame, with respect; to the dihadron momentum direction" }
    ]
  },
  {
    "name":      "physics::Depolarization",
    "algorithm": "physics::Depolarization",
    "group":     30000,
    "item":      5,
    "info":      "",
    "entries": [
      { "name": "epsilon", "type": "D", "info": "@latex{\\varepsilon(Q^2, x, y)}, the ratio of transverse and longitudinal photon flux" },
      { "name": "A",       "type": "D", "info": "depolarization factor @latex{A(\\varepsilon, y)}" },
      { "name": "B",       "type": "D", "info": "depolarization factor @latex{B(\\varepsilon, y)}" },
      { "name": "C",       "type": "D", "info": "depolarization factor @latex{C(\\varepsilon, y)}" },
      { "name": "V",       "type": "D", "info": "depolarization factor @latex{V(\\varepsilon, y)}" },
      { "name": "W",       "type": "D", "info": "depolarization factor @latex{W(\\varepsilon, y)}" }
    ]
  }
]