Cuts Summary

Here's a list of the cuts applied to the data in the common spin trees.

Run 5

Event
  • standard spinDB requirements
  • production triggers only
ConeJets
  • 0.2 < detEta < 0.8
  • 0.1 < E_neu / E_tot < 0.9
chargedPions
  • pt > 2
  • -1 < eta < 1
  • nFitPoints > 25
  • |DCA_global| < 1
  • -1 < nSigmaPion < 2
bemcPions
  • pt > 3.0
  • photon energies > 0.1
  • asymmetry < 0.8
  • 0.08 < mass < 0.25
  • charged track veto
  • BBC timebin in {7,8,9}

Run 6

Event
  • standard spinDB requirements
  • production triggers + trigId 5 (L2gamma early runs)
ConeJets, ConeJetEMC -- no cuts applied

chargedPions
  • pt > 2
  • -1 < eta < 1
  • nFitPoints > 25
  • |DCA_global| < 1
  • -1 < nSigmaPion < 2
bemcPions
  • pt > 5.2
  • photon energies > 0.1
  • asymmetry < 0.8
  • 0.08 < mass < 0.25
  • charged track veto
  • BBC timebin in {7,8,9} update:  timebin 6 added in 2007-07-18 production
  • both SMD planes good
bemcElectrons added as of 2007-07-18 production
  • hardware or software trigger in (117001, 137213, 137221, 5, 137222, 137585, 137611, 137622)
  • Global dE/dx cut changing with momentum
  • nFitPoints >= 15
  • nDedxPoints >= 10
  • nHits / nPoss >= 0.52
  • track Chi2 < 4
  • DCAGlobal < 2
  • NEtaStrips > 1 && NPhiStrips > 1
  • Primary dE/dx cut changing with momentum
  • 0.3 < P/E < 1.5
  • -0.01287 < PhiDist < 0.01345
  • ZDist in [-5.47,1.796] (West) or [-2.706,5.322] (East)