光子のシャワーシェープにまつわる xAOD の変数

  • /// @brief uncalibrated energy (sum of cells) in presampler in a 1x1 window in cells in eta X phi
    e011 = 0,
    /// @brief uncalibrated energy (sum of cells) in presampler in a 3x3 window in cells in eta X phi
    e033 = 1,
    /// @brief uncalibrated energy (sum of cells) in strips in a 3x2 window in cells in eta X phi
    e132 = 2,
    /// @brief uncalibrated energy (sum of cells) in strips in a 15x2 window in cells in eta X phi
    e1152 = 3,
    /// @brief transverse energy in the first sampling of the hadronic calorimeters behind the cluster calculated from ehad1
    ethad1 = 4,
    /// @brief ET leakage into hadronic calorimeter with exclusion of energy in CaloSampling::TileGap3
    ethad = 5,
    /// @brief E leakage into 1st sampling of had calo (CaloSampling::HEC0 + CaloSampling::TileBar0 + CaloSampling::TileExt0)
    ehad1 = 6,
    /// @brief E1/E = fraction of energy reconstructed in the first sampling, where E1 is energy in all strips belonging to the cluster and E is the total energy reconstructed in the electromagnetic calorimet\
    er cluster
    f1 = 7,
    /// @brief fraction of energy reconstructed in 3rd sampling
    f3 = 8,
    /// @brief E1(3x1)/E = fraction of the energy reconstructed in the first longitudinal compartment of the electromagnetic calorimeter, where E1(3x1) the energy reconstructed in +/-3 strips in eta, centered\
    around the maximum energy strip and E is the energy reconstructed in the electromagnetic calorimeter
    f1core = 9,
    /// @brief E3(3x3)/E fraction of the energy reconstructed in the third compartment of the electromagnetic calorimeter, where E3(3x3), energy in the back sampling, is the sum of the energy contained in a 3\
    x3 window around the maximum energy cell
    f3core = 10,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 3x3 (in cell units eta X phi)
    e233 = 11,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 3x5
    e235 = 12,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 5x5
    e255 = 13,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 3x7
    e237 = 14,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 7x7
    e277 = 15,
    /// @brief uncalibrated energy (sum of cells) of the third sampling in a rectangle of size 3x3
    e333 = 16,
    /// @brief uncalibrated energy (sum of cells) of the third sampling in a rectangle of size 3x5
    e335 = 17,
    /// @brief uncalibrated energy (sum of cells) of the third sampling in a rectangle of size 3x7
    e337 = 18,
    /// @brief uncalibrated energy (sum of cells) of the middle sampling in a rectangle of size 7x7
    e377 = 19,
    /// @brief shower width using +/-3 strips around the one with the maximal energy deposit:
    /// w3 strips = sqrt{sum(Ei)x(i-imax)^2/sum(Ei)}, where i is the number of the strip and imax the strip number of the most energetic one
    weta1 = 20,
    /// @brief the lateral width is calculated with a window of 3x5 cells using the energy weighted sum over all cells, which depends on the particle impact point inside the cell: weta2 =
    /// sqrt(sum Ei x eta^2)/(sum Ei) -((sum Ei x eta)/(sum Ei))^2, where Ei is the energy of the i-th cell
    weta2 = 21,
    /// @brief 2nd max in strips calc by summing 3 strips
    e2ts1 = 22,
    /// @brief energy of the cell corresponding to second energy maximum in the first sampling
    e2tsts1 = 23,
    /// @brief shower shape in the shower core : [E(+/-3)-E(+/-1)]/E(+/-1), where E(+/-n) is the energy in n strips around the strip with highest energy
    fracs1 = 24,
    /// @brief same as egammaParameters::weta1 but without corrections on particle impact point inside the cell
    widths1 = 25,
    /// @brief same as egammaParameters::weta2 but without corrections on particle impact point inside the cell
    widths2 = 26,
    /// @brief relative position in eta within cell in 1st sampling
    poscs1 = 27,
    /// @brief relative position in eta within cell in 2nd sampling
    poscs2= 28,
    /// @brief uncorr asymmetry in 3 strips in the 1st sampling
    asy1 = 29,
    /// @brief difference between shower cell and predicted track in +/- 1 cells
    pos = 30,
    /// @brief Difference between the track and the shower positions:
    /// sum_{i=i_m-7}^{i=i_m+7}E_i x (i-i_m) / sum_{i=i_m-7}^{i=i_m+7}E_i,
    /// The difference between the track and the shower positions measured
    /// in units of distance between the strips, where i_m is the impact cell
    /// for the track reconstructed in the inner detector and E_i is the energy
    /// reconstructed in the i-th cell in the eta direction for constant phi given by the track parameters
    pos7 = 31,
    /// @brief barycentre in sampling 1 calculated in 3 strips
    barys1 =32,
    /// @brief shower width is determined in a window detaxdphi = 0,0625 ~0,2, corresponding typically to 20 strips in
    ///eta : wtot1=sqrt{sum Ei x ( i-imax)^2 / sum Ei}, where i is the strip number and imax the strip number of the first local maximum
    wtots1 = 33,
    /// @brief energy reconstructed in the strip with the minimal value between the first and second maximum
    emins1 = 34,
    /// @brief energy of strip with maximal energy deposit
    emaxs1 = 35,
    /// @brief 1-ratio of energy in 3x3 over 3x7 cells;
  • /// E(3x3) = E0(1x1) + E1(3x1) + E2(3x3) + E3(3x3); E(3x7) = E0(3x3) + E1(15x3) + E2(3x7) + E3(3x7)
  • r33over37allcalo = 36,
  • /// @brief core energy in em calo E(core) = E0(3x3) + E1(15x2) + E2(5x5) + E3(3x5)
  • ecore = 37,
  • /// @brief e237/e277
  • Reta = 38,
  • /// @brief e233/e237
  • Rphi = 39,
  • /// @brief (emaxs1-e2tsts1)/(emaxs1+e2tsts1)
  • Eratio = 40,
  • /// @bried ethad/et
  • Rhad = 41,
  • /// @bried ethad1/et
  • Rhad1 = 42,
  • /// @bried e2tsts1-emins1
  • DeltaE =43,
  • ///maximum number of enums
  • NumberOfShowerShapes = 44

-- YuyaKano1 - 2016-04-06

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Topic revision: r2 - 2016-04-06 - YasuyukiOkumura
 
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