Photon reconstruction efficiency as a function of &eta: defined as the number of reconstructed photons matching a simulated photon divided by the number of simulated photons. Simulated photons falling in 1.4442 < |&eta| < 1.566 are excluded. The reconstruction includes photon preselection: Et > 10GeV plus loose EM isolation.

Photon reconstruction efficiency as a function of &phi: defined as the number of reconstructed photons matching a simulated photon divided by the number of simulated photons. Simulated photons falling in 1.4442 < |&eta| < 1.566 are excluded. The reconstruction includes photon preselection: Et > 10GeV plus loose EM isolation.

Photon reconstruction efficiency as a function of Et: defined as the number of reconstructed photons matching a simulated photon divided by the number of simulated photons. Simulated photons falling in 1.4442 < |&eta| < 1.566 are excluded. The reconstruction includes photon preselection: Et > 10GeV plus loose EM isolation.

Fraction of reconstructed photons with at least one DEAD channel in the super cluster as a function of &eta

Fraction of reconstructed photons with at least one DEAD channel in the super cluster as a function of &phi

Fraction of reconstructed photons with at least one DEAD channel in the super cluster as a function of the true transvers energy

Reconstructed photon matching a simulated photon: Super cluster &eta . Simulated photons falling in 1.4442 < |&eta| < 1.566 are excluded.

Reconstructed photon matching a simulated photon: Super cluster &phi

Reconstructed photon matching a simulated photon: Super cluster energy. The distribution is obtained for |&eta| < 2.5.

Reconstructed photon matching a simulated photon: Super cluster transverse energy. The distribution is obtained for |&eta| < 2.5.

Reconstructed photon matching a simulated photon: photon &eta . Simulated photons falling in 1.4442 < |&eta| < 1.566 are excluded.

Reconstructed photon matching a simulated photon: photon &phi

Reconstructed photon matching a simulated photon: difference between reconstructed and simulated &eta The photon direction is calculated using as the origin the first offline reconstructed PV. In case of single photons, where the reconstructed PV is not available since there are no tracks, the photon vertex is set to the nominal (0,0,0) hence the poor &Delta &eta

Reconstructed photon matching a simulated photon: difference between reconstructed and simulated &phi

Reconstructed photon matching a simulated photon: Photon energy. The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: Photon transverse energy. The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 above the default value of 0.93 (i.e. unconverted photons according to ECAL). The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 above the default value of 0.93 (i.e. unconverted photons according to ECAL). The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 above the default value of 0.93 (i.e. unconverted photons according to ECAL). The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 below the default value of 0.93 (i.e. converted photons according to ECAL). The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 below the default value of 0.93 (i.e. converted photons according to ECAL). The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is made only for photons with R9 below the default value of 0.93 (i.e. converted photons according to ECAL). The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: ratio between e3x3 and super cluster energy as a function of &eta

Reconstructed photon matching a simulated photon: ratio between e3x3 and super cluster energy as a function of photon Et

Reconstructed photon matching a simulated photon: ratio between e3x3 and super cluster energy The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: ratio between e3x3 and super cluster energy The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Barrel only

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Endcap only

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Barrel only

Reconstructed photon matching a simulated photon: Super Cluster energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Endcap only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Barrel only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Endcap only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Barrel only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs R9 for Endcap only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs photon true transverse energy

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs photon true transverse energy for Barrel only

Reconstructed photon matching a simulated photon: Photon energy resolution defined as the ratio between reconstructed and simulated energy vs photon true transverse energy for Endcap only

Reconstructed photon matching a simulated photon: e1x5/e5x5 ratio as a function of &eta

Reconstructed photon matching a simulated photon: e1x5/e5x5 ratio as a function of photon et

Reconstructed photon matching a simulated photon: e1x5/e5x5 The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: e1x5/e5x5 The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: e2x5/e5x5 ratio as a function of &eta

Reconstructed photon matching a simulated photon: e2x5/e5x5 ratio as a function of photon Et

Reconstructed photon matching a simulated photon: e2x5/e5x5 ratio The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: e2x5/e5x5 ratio The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: sigmaIetaIeta as a function of &eta

Reconstructed photon matching a simulated photon: sigmaIetaIeta as a function of photon Et

Reconstructed photon matching a simulated photon: sigmaIetaIeta The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: sigmaIetaIeta The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: H/E as a function of &eta

Reconstructed photon matching a simulated photon: H/E as a function of photon Et

Reconstructed photon matching a simulated photon: H/E The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: H/E The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: ecalRecHitSumEtConeDR04 as a function of &eta

Reconstructed photon matching a simulated photon: ecalRecHitSumEtConeDR04 as a function of photon Et in the Barrel

Reconstructed photon matching a simulated photon: ecalRecHitSumEtConeDR04 as a function of photon Et in the Endcaps

Reconstructed photon matching a simulated photon: ecalRecHitSumEtConeDR04 The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: ecalRecHitSumEtConeDR04 The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: hcalTowerSumEtConeDR04 as a function of &eta

Reconstructed photon matching a simulated photon: hcalTowerSumEtConeDR04 as a function of photon Et in the Barrel

Reconstructed photon matching a simulated photon: hcalTowerSumEtConeDR04 as a function of photon Et in the Endcaps

Reconstructed photon matching a simulated photon: hcalTowerSumEtConeDR04 The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: hcalTowerSumEtConeDR04 The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: track Pt sum in SolidConeDR04 as a function of &eta

Reconstructed photon matching a simulated photon: track Pt sum in SolidConeDR04 as a function of photon Et

Reconstructed photon matching a simulated photon: track Pt sum in SolidConeDR04 The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: track Pt sum in SolidConeDR04 The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: track Pt sum in SolidConeDR04 The distribution is for ecal endcaps only.

Reconstructed photon matching a simulated photon: number of tracks in SolidConeDR04 as a function of &eta

Reconstructed photon matching a simulated photon: number of tracks in SolidConeDR04 as a function of photon Et

Reconstructed photon matching a simulated photon: number of tracks in SolidConeDR04 The distribution is obtained for |&eta| < 2.5

Reconstructed photon matching a simulated photon: number of tracks in SolidConeDR04 The distribution is for ecal barrel only.

Reconstructed photon matching a simulated photon: number of tracks in SolidConeDR04 The distribution is for ecal endcaps only.

Conversion track pair reconstruction efficiency as a function of simulated &eta

Conversion track pair reconstruction efficiency as a function of simulated &phi

Conversion track pair reconstruction efficiency as a function of simulated conversion radius.

Conversion track pair reconstruction efficiency as a function of simulated z.

Conversion track pair reconstruction efficiency as a function of the true phohoton transverse energy.

&eta of the supercluster corresponding to a reconstructed conversion track pair.

&phi of the supercluster corresponding to a reconstructed conversion track pair.

Converted photon (i.e. with tracks) energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is obtained for |&eta| < 2.5

Converted photon (i.e. with tracks) energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is for ecal barrel only.

Converted photon (i.e. with tracks) energy resolution defined as the ratio between reconstructed and simulated energy. The distribution is for ecal endcaps only.

Converted photon (i.e. with tracks) E/P. E is the super cluster energy, P is the momentum. calculated from the track pair. The distribution is obtained for |&eta| < 2.5

Converted photon (i.e. with tracks) E/P. E is the super cluster energy, P is the momentum. The distribution is for ecal barrel only.

Converted photon (i.e. with tracks) E/P. E is the super cluster energy, P is the momentum. The distribution is for ecal endcaps only.

Converted photon (i.e. with tracks) P/E. E is the super cluster energy, P is the momentum. calculated from the track pair. The distribution is obtained for |&eta| < 2.5

Converted photon (i.e. with tracks) P/E. E is the super cluster energy, P is the momentum. The distribution is for ecal barrel only.

Converted photon (i.e. with tracks) P/E. E is the super cluster energy, P is the momentum. The distribution is for ecal endcaps only.

Profile vs &eta of conversion energy resolution, defined as the ration between super cluster energy and true energy.

Profile vs &eta of conversion E/P.

Profile vs true conversion radius of conversion E/P.

Conversion track pair reconstruction fake rate as a function of &eta

Conversion track pair reconstruction fake rate as a function of &phi

Conversion track pair fake rate as a function of simulated conversion radius.

Conversion track pair fake rate as a function of simulated z.

Conversion track pair reconstruction fake rate as a function of the true phohoton transverse energy.

Conversion vertex fitting efficiency, defined as the number of conversions with two tracks and valid vertex fit divided by the number of conversions with two tracks.

Conversion vertex fit chi2 probabilitity. The distribution is obtained for |&eta| < 2.5

Conversion vertex fit chi2 probabilitity. Only Barrel

Conversion vertex fit chi2 probabilitity. ONly Endcap

MVA output: all ecal

MVA output Only Barrel.

MVA output. Only Endcap

Fitted conversion vertex RvsZ position.

Fitted conversion vertex radius. Only Barrel.

Fitted conversion vertex Z. Only Endcap.

Conversion track pull, defined as (Pt(rec)-Pr(sim)/&sigma(Pt(rec))

Conversion track pull, defined as (Pt(rec)-Pr(sim)/&sigma(Pt(rec)). Only Barrel.

Conversion track pull, defined as (Pt(rec)-Pr(sim)/&sigma(Pt(rec)). Only Endcap.

Track-fit chi2

Track-fit chi2 profile vs &eta

Track-fit chi2 profile vs conversion radius

Conversion tracks: average number of reconstructed hits vs true conversion &eta

Conversion tracks: average number of reconstructed hits vs true conversion radius.

Conversion track pair: &Delta cotg &theta

Conversion track pair: average delta cotg &theta as a function of &eta

Conversion track pair: average &Delta cotg &theta as a function of radius.

Conversion track: energy-outer momentum matching with closest basic cluster

Conversion track: energy-outer momentum matching with closest basic cluster. Only barrel.

Conversion track: energy-outer momentum matching with closest basic cluster. Only endcap.

Conversion tracks: delta &eta at ecal front face. The distribution is obtained for |&eta| < 2.5

Conversion tracks: delta &phi at ecal front face. The distribution is obtained for |&eta| < 2.5

Conversion tracks: delta &phi at ecal front face. Profile vs &eta

Conversion tracks: delta &phi at ecal front face. Profile vs conversion radius

Conversion fitted vertex: average difference between reconstructed and simulated radial position as a function of the radial position.

Conversion fitted veretx: average difference between reconstructed and simulated radial position as a function of &eta

Primary vertex position estimated by the conversion track extrapolation to the longitudinal z axis. The distribution is obtained from conversions reconstructed in the whole &eta and radius range.

Primary vertex position estimated by the conversion track extrapolation to the longitudinal z axis. Here the difference between the recontructed and true primary vertex is shown. The distribution is obtained from conversions reconstructed in the whole &eta and radius range.

Difference between the recontructed and true primary vertex: profile vs conversion radius

All 2 photons invariant mass. Any pair of reconstructed photons is considered, no MC matching. The distribution is obtained for |&eta| < 2.5

All 2 photons invariant mass. Any pair of reconstructed photons is considered, no MC matching. Only Barrel

All 2 photons invariant mass. Any pair of reconstructed photons is considered, no MC matching. Only Endcap

All 2 photons invariant mass. Any pair of reconstructed photons with no conversion tracks is considered, no MC matching. The distribution is obtained for |&eta| < 2.5

All 2 photons invariant mass. Any pair of reconstructed photons with no conversion tracks is considered, no MC matching. Only Barrel

All 2 photons invariant mass. Any pair of reconstructed photons with no conversion tracks is considered, no MC matching. Only Endcap

All 2 photons invariant mass. Any pair of reconstructed photons with conversion tracks is considered, no MC matching. The distribution is obtained for |&eta| < 2.5

All 2 photons invariant mass. Any pair of reconstructed photons with conversion tracks is considered, no MC matching. Only Barrel

All 2 photons invariant mass. Any pair of reconstructed photons with conversion tracks is considered, no MC matching. Only Endcap