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LHCb Web>LHCbComputing>LHCbSimulation>GaussDevelopment>GaussConf (2010-01-04, GloriaCorti)
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LHCb Web>LHCbComputing>LHCbSimulation>GaussDevelopment>GaussConf (2010-01-04, GloriaCorti) EditAttachPDFConfiguring Gauss: available and future controls
A list of the existing control parameters and some of foreseen new one, their meaning as well as status of the implementation is listed below. Some options are used by Dirac and cannot be changed without work arounds or providing a backward compatible versionControls of the Gauss() configurable
Table with the existing Gauss() control parameters. Foreseen new one are also listed. The meaning of the various controls as well as the status of the implementation is listed. Gauss() uses LHCbApp() and the meaningful controls will be added.| Option | Explanation | Type | Possible values | Default value | Available in Gauss version |
|---|---|---|---|---|---|
| Histograms | Type of histograms | string | '','None','Default' | 'Default' | v37r3(p1) |
| DatasetName | String used to build output file names | string | any | 'Gauss' | v37r3(p1) |
| SpilloverPaths | Spillover paths to fill: [] means no spillover, for 25 ns put ['Next', 'Prev', 'PrevPrev'] | list of strings | any | [] | v37r3(p1), in future may be replaced with bunch spacing |
| PhysicsList | Name of physics list to be passed, will look for options PhysList-xxx.opts | string | 'LHEP','QGSP' | 'LHEP' | v37r3(p1), in future may change |
| GenStandAlone | Flag to indicate that only generator phase is run | bool | True, False | False | v37r3(p1) |
| BeamMomentum | Momentum of the beam | real | any | 5.0*SystemOfUnits.TeV | v37r3(p1) |
| BeamCrossingAngle | Crossing angle of beam 1 in LHCb reference system with respect to z axis | real | any | 0.329*SystemOfUnits.mrad | v37r3(p1) |
| BeamEmittance | Emittance at given energy | real | any | 0.704*(10**(-9))*SystemOfUnits.rad*SystemOfUnits.m | v37r3(p1) |
| BeamBetaStar | Beta* at interaction point | real | any | 2.0*SystemOfUnits.m | v37r3(p1) |
| InteractionSize | Sigma of luminous region in the three coordinates | list of 3 real | any | [ 0.027*SystemOfUnits.mm, 0.027*SystemOfUnits.mm, 3.82*SystemOfUnits.cm ] | v37r3(p1) |
| BeamSize | Sigma of the beam in the transverse coordinates | list of 2 real | any | [ 0.038*SystemOfUnits.mm, 0.038*SystemOfUnits.mm ] | v37r3(p1) |
| CrossingRate | Rate of crossing of filled bunches in LHCb (default is for single crossing per turn) | real | any | 11.245*SystemOfUnits.kilohertz | v37r3(p1) |
| Luminosity | Luminosity per bunch, used with crossing rate and total cross section to calculate nu (collisions/bunch) | real | any | 0.116*(10**30)/(SystemOfUnits.cm2*SystemOfUnits.s) | v37r3(p1) |
| TotalCrossSection | Total cross section at given CM energy, used with crossing rate and luminosity to calculate nu (collisions/bunch) | real | any | 97.2*SystemOfUnits.millibarn | v37r3(p1) |
| Output | Type of data output to write, allow to swith it off | string | ['', 'NONE', 'SIM'] | 'SIM' | v37r4, may evolve to have reduced info or have GEN, F(ast)SIM or should we set them automatically with processing? |
| Production | Type of production to make: physics (with beam), particle guns or machine induced background | string | ''. 'PHYS', 'PGUN', 'MIB' | 'PHYS' | v37r4, may be togheter with generator or here put also 'none' that would not make necessary a 'SimOnly' |
| Generator | Name of generator to use for production (pythia/herwig/bcvegpy) maybe can be a single one with Productio. Note cannot use 'Generator' as name of phase nor 'Generation' as name of algorithm in options of decfiles | ||||
| EventType | Event type code to generate, not clear if we want it here or in Generator(), but may want to check consistecy | ||||
| Monitor | Type of monitors: GEN, list of detectors (list of detector done via DetectorMoni) . etc... or default, expert, debug... two options? | ||||
| SimOnly/SimStandAlone | Execute only the simulation phase, requires an input file | ||||
| SkipG4/FastSim | Skip the G4 part but still fill MCParticles/MCVertices from generator info, have a single one with above 'Sim' = none, fast, full? In which case GenStandAlone may be the same as 'Sim=none' and 'Monitor=gen' | ||||
| DetectorGeo | List of of detectors to simulate | dictionnary | All the key should exist but subdetectors can be removed. for example keeping only the tracking system, correspond to {"VELO":['Velo','PuVeto'], "TT":['TT'], "IT":['IT'], "OT":['OT'], "RICH":[], "CALO":[], "MUON":[],"MAGNET": True } | {"VELO":['Velo','PuVeto'], "TT":['TT'], "IT":['IT'], "OT":['OT'], "RICH":['Rich1','Rich2'], "CALO":['Spd','Prs','Ecal','Hcal'], "MUON":['Muon'],"MAGNET": True } | v38r0 |
| DetectorSim | List of detector giving hits | dictionnary | See DetectorGeo, if one only wants Ecal and Hcal hits: {"VELO":[], "TT":[], "IT":[], "OT":[], "RICH":[], "CALO":['Ecal','Hcal'], "MUON":[],"MAGNET": True } | {"VELO":['Velo','PuVeto'], "TT":['TT'], "IT":['IT'], "OT":['OT'], "RICH":['Rich1','Rich2'], "CALO":['Spd','Prs','Ecal','Hcal'], "MUON":['Muon'],"MAGNET": True } | v38r0 |
| DetectorMoni | List of detector to monitor | dictionnary | See DetectorGeo and DetectorSim | {"VELO":['Velo','PuVeto'], "TT":['TT'], "IT":['IT'], "OT":['OT'], "RICH":['Rich1','Rich2'], "CALO":['Spd','Prs','Ecal','Hcal'], "MUON":['Muon'],"MAGNET": True } | v38r0 |
| MagneticField | Use MagneticFieldSvc or MultipleMagneticFieldSvc that include compensators fileds |
SimConf
A SimWriter() configurables has been provided by Chris Jones. Its configuration by Gauss will depend on which phase of gauss is being executed and has to be usable also by Boole and Brunel for xDST.Options used by Dirac
General Options:from Configurables import CondDB CondDB(SQLiteLocalCopiesDir = ".") LHCbApp().DDDBtag = "DDDBTag" LHCbApp().CondDBtag = "condbTag" LHCbApp().EvtMax = events MessageSvc().Format = '%u % F%18W%S%7W%R%T %0W%M';MessageSvc ().timeFormat = '%Y-%m-%d %H:%M:%S UTC' HistogramPersistencySvc().OutputFile = "histogramFile" FileCatalog().Catalogs= ["xmlcatalog_file:pool_xml_catalog.xml"]Gauss:
from Configurables import SimInit'
GaussSim = SimInit("GaussSim")
GaussSim.OutputLevel = 2
GaussGen = GenInit("GaussGen")
GaussGen.RunNumber = "someRunNumber"
GaussGen.FirstEventNumber = "someEventNumber"
ApplicationMgr().EvtMax ="-1"
OutputStream("GaussTape").Output = "DATAFILE='PFN:outputPFN'
TYP='POOL_ROOTTREE' OPT='RECREATE'"
-- GloriaCorti - 2009-10-02 Topic revision: r3 - 2010-01-04 - GloriaCorti
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