Changes between Version 6 and Version 7 of WorkBook/PileUp
- Timestamp:
- Mar 6, 2013, 11:45:01 AM (12 years ago)
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WorkBook/PileUp
v6 v7 18 18 * {{{MeanPileUp}}}: 19 19 20 the average amount of pile-up events per bunch-crossing. For each hard scattering, N pile-up events will be randomly chosen from the PileUp file, where N is a random number following Poisson statistics with a mean MeanPileUp.20 the average amount of pile-up events per bunch-crossing. For each hard scattering, N pile-up events will be randomly chosen from the {{{PileUpFile}}}, where N is a random number following Poisson statistics with a mean {{{MeanPileUp}}}. 21 21 22 22 * {{{ZVertexWidth}}}: … … 31 31 === Pile-up contamination === 32 32 33 The density (in GeV/A) of pile-up contamination (rho) per event is computed within the FastJetFindermodule if the following parameters are defined:33 The density (in GeV/A) of pile-up contamination (rho) per event is computed within the {{{FastJetFinder}}} module if the following parameters are defined: 34 34 35 35 {{{ … … 38 38 }}} 39 39 40 The method for the area calculation can also be specified (active area, passive area, Voronoi …) via the parameter AreaAlgorithm.40 The method for the area calculation can also be specified (active area, passive area, Voronoi …) via the parameter {{{AreaAlgorithm}}}. 41 41 42 42 === Pile-up subtraction === … … 44 44 Since charged particle have already been subtracted to some extent, pile-up contamination only affects the jet energy resolution and the lepton and photon isolations. 45 45 46 * Jet pile-up subtraction is done via the JetPileUpSubtractormodule that takes as input the jet collection and rho:46 * Jet pile-up subtraction is done via the {{{JetPileUpSubtractor}}} module that takes as input the jet collection and rho: 47 47 48 48 {{{ … … 51 51 }}} 52 52 53 * Isolation subtraction is done inside the Isolationmodule itself just by adding the line in the delphes card:53 * Isolation subtraction is done inside the {{{Isolation}}} module itself just by adding the line in the delphes card: 54 54 55 55 {{{ … … 58 58 59 59 60 == Running Delphes with Pile-Up == 60 61 61 == Running Delphes with Pile-Up == 62 Convert your Minimum bias sample into Delphes Root format: 63 64 {{{ 65 ./DelphesSTDHEP examples/root_converter.tcl MinBias.root MinBias.hep 66 ./DelphesHepMC examples/root_converter.tcl MinBias.root MinBias.hepmc 67 }}} 68 69 Convert from Delphes format to binary 70 71 {{{ 72 ./root2pileup MinBias.root MinBias.pileup 73 }}} 74 75 Run Delphes on your sample X with pile-up: 76 77 {{{ 78 ./DelphesSTDHEP examples/delphes_card_CMS_PileUp.tcl X_PileUp.root X.hep 79 }}} 62 80 63 81