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New mixing in Fast Simulation Introduction A new mixing scheme (at RECO level for tracks, at SIM level for calorimeter and muon hits) is implemented, but not available...
Fast Simulation: How to tune ECAL noise The principle, together with practical instructions for the old style tuning (by Florian Beaudette), is explained here. Florian...
Fast Simulation: How to tune HCAL noise We tune the HCAL noise and thresholds by matching the energy at RecHit level with FullSim using a simulated sample of single...
Fast Simulation: How to tune HCAL signal response Scale factors for the HCAL signal response were tuned in CMSSW 5 2 0 by matching the signal at RecHit level with...
Fast Simulation: How to tune Iterative Tracking The seeding step is emulated by applying cuts to the SimTracks. Those cuts are tuned such to reproduce the FullSim...
Fast Simulation Performance Monitoring General information The responsible for the performance monitoring in 2012 and 2013 is Gustavo Gil Da Silveira (Louvain)....
Extended Tracking for Phase 2 in Fast Simulation Introduction The current FastSim has been developed during several years to achieve a good realism for the current...
Offline SW Guide Summary of Changes Site Map Preface Contributors Guide Developers Guide Offline Workbook Glossary/Index...
The CMSSW Documentation Suite: The CMS Offline SW Guide Full details of CMS Software (CMSSW) including description of algorithms and software architecture...
HLT Documentation Runing Fast Simulation with HLT Since CMSSW 1 8 0, HLT is fully integrated in Fast Simulation. In the 18X series, the HLT configuration is taken...
Calorimeter RecHits (CaloRecHitsProducer) Current status (3 1 X) Brief algorithm description Overview As to save time, the Fast Simulation does not use the standard...
Fast Simulation Configuration IMPORTANT: the recommended way to create your configuration file is via cmsDriver , see here. This page stays as a reference for developers...
ECAL miscalibration Enabling the ECAL miscalibration The ECAL miscalibration can be simulated in the same way as in the GEANT based simulation, by retrieving the...
Fast Simulation Event Generator Event Generation or reading (Source) The event generation/reading step is not different from the event generation/reading step used...
Frequently Asked Questions About input files I want to use a private generation fragment Note: this topic is not FastSim specific. When cmsDriver is configured to...
HCAL miscalibration News box Do not try that before CMSSW 1 6 8. Available in CMSSW 1 7 0 and later releases Enabling the HCAL miscalibration From CMSSW...
Running Fast Simulation within IGUANA and visualize events on the fly Introduction The IGUANA event display is a powerful tool which allows to visualize a lot of...
Muon misalignment Enabling the Muon misalignement (3 1 X) The Muon misalignment can be simulated in the same way as in the GEANT based simulation, by reading one...
Parameterized Muons in the CMSSW Fast Simulation Introduction Parameterized muons in the FastSimulation aim at providing the muon objects needed in the event selection...
Muon SimHit production (MuonSimHitProducer) Overview The MuonSimHit production is `equivalent` to the muon g4SimHit production from GEANT based simulation, in the...
Old recipes CMSSW 3 6 1 patch4 Setup your CMSSW area: cmsrel CMSSW 3 6 1 patch4 Go to the src/ directory cd CMSSW 3 6 1 patch4/src Define...
Physics Object Reconstruction Introduction Physics object are delivered by Fast Simulation in the exact same format as in the complete reconstruction. Please refer...
Pile Up Events (PileUpProducer or MixingModule) Introduction The (in time) pile up mechanism can potentially be simulated in two ways in FastSimulation. Internal...
Proton Taggers What are the proton taggers? Proton taggers is a short name for so called near beam detectors, special tracker devices installed on the beam pipe hundreds...
Fast Simulation Random Number Generation IMPORTANT: Since CMSSW 6 0 0 pre3, no specific module is needed anymore for Fast Simulation (thanks to an update in IOMC...
FamosSimHit production (FamosProducer) Overview The famosSimHit production is `equivalent` the g4SimHit production from GEANT based simulation, in the sense that...
SimHits, SimTracks, and SimVertices in FastSim SimTrack and SimVertex collections The SimTrack and SimVertex collections summarise the trajectories of particles through...
Fast Simulation Supported Tags and Release Notes Fast Simulation Tag History Please use one of the following global supported tags, with the corresponding CMSSW version...
How to measure timing with Fast Simulation Global timing from a normal cmsRun job, for each producer You can run a normal Fast Simulation job in any release. The...
Fast simulation of tracker material pre { text align: left; padding: 10px;margin left: 20px; color: black; } pre.cfg {background color: lightgrey;} pre.code...
Tracker misalignment Enabling the tracker misalignement The tracker misalignment is simulated in the same way as in the GEANT based simulation, by reading one of...
Tracker RecHits (TrackingRecHitProducer) General strategy The RecHit production consists in taking all the PSimHit`s generated by the FamosSimHit producer, and applying...
Track Reconstruction in Fast Simulation Overview In Fast Simulation, the track finding usually does not require the (very slow) pattern recognition step. Indeed,...
Fast Simulation Offline Guide News box IMPORTANT: A list of open tasks in the Fast Simulation is available here WARNING: The Fast Simulation recommended...
pre { background color: #CEE3F6; } FastSim event production recipes Standard recipes runTheMatrix.py contains standard workflows (series of cmsDriver commands...
Release Notes for 310 (changes wrt 21X/22X) In this page are listed the release notes for 31X series with highlight on changes with respect to 21X/22X series. Tracking...
New cmsDriver Step syntax ( CMSSW 7 5 0 pre2 ) default steps GEN : generation of particles SIM : detector simulation RECOBEFMIX : RECOnstruction...
Vertex Smearing Internal vertex smearing (in FamosSimHits and in FamosPileUp) Because the same vertex smearing is applied to pile up events and to signal events,...
Muon Physics Object Offline Guide Introduction This page gives a summary of algorithms used to reconstruct muons in CMS, describes collections of muons produced in...
Either build your own LeftBar (see TWiki:TWiki.WebLeftBarCookbook): MyTopic MySubTopicA MySubTopicB OR Include a CMS LeftBar appropriate to...
Particle Flow in PAT (PF2PAT) (missing doc for the new top projection and for the isolation system) Tutorial: WorkBookPF2PAT Current Status (March 30) PF2PAT...
Particle Flow Jets and MET Integration Structured Offline Guide common to all pages in this guide Introduction One of the primary motivations for the Particle Flow...
Full Simulation Offline Guide Goal of this page The goal of this page is to put together links to the detailed materials about full scale Geant4 based CMS detector...
TWeeder info for CMSPublic Total Number of topics: 4313 61 Topics updated during the last 7 days Days Web Topic Date S7 CMSPublic CompOpsWorkflowTeamTest...
CMSPublic Web Preferences The following settings are web preferences of the CMSPublic web. These preferences overwrite the site level preferences in...
pre { background color: #CEE3F6; } 6.5 Simulating and Reconstructing events with Fast Simulation Find the FastSim users guide here: SWGuideFastSimulation...
6.5 Simulating and Reconstructing events with Fast Simulation Detailed Review status Goals of this page In the previous sections dedicated to event generation and...
6.1 Thirty Minute Introduction to Generation and Simulation Detailed Review status Goals of this page This page provides an entry point to the physics event generation...
7.11 Particle Flow Tutorial Please have a look at the left bar for the other pages of the particle flow documentation. Detailed Review status Overview...
Number of topics: 49



 
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