protoDUNEMC:IntrotoLArSo2Simula8onsandMCSamples

ElizabethWorcester(BNL)protoDUNESim/RecoMee8ng

October2016 protoDUNESim/RecoMeee8ng 1

protoDUNELArSo2Details•  protoDUNEcodeispart

ofdunetpc•  Mostcodeiscommon

withDUNEFD•  protoDUNE-specific

detailsinclude:–  Geometry(Mar8nTsanov,TylerAlion,ETW)

–  Op8callibrary(AlexHimmel)

–  Cosmicslibrary(MaXBass)–  Readoutwindow(DorotaStefan,ETW)

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protoDUNEGeometry•  DevelopedbyMar8nTzanov,star8ngfrom

scripttogenerateDUNEFDgdmlwriXenbyTylerAlion

•  Ac8vevolumeandwireplanesarecorrectlyimplementedwithsufficientdetail

•  BasiccryostatvolumeimplementedbasedonMar8n’sreadingofengineeringdrawings

•  Includesbasicimplementa8onoffieldcage(needswork)

•  Simple“beamwindow”implementedasnitrogen-filledsteelpipe(needswork)–  25cmouterdiameter,0.5mmthicksteelwall–  Doesnotrepresentdetailsofbeamwindow

design–  Loca8onsomewhatarbitrary

•  Duringdevelopmentofcosmicsimula8on,hadtocorrectmaterialinoutervolumes(foam,steelsupport)

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Star8ngposi8onforpar8clegunMC

Simple“beamwindow”

(Yellowpartpenetratesfoam,

magentapartinLAr)

Op8calLibrary•  Mostrecentlibrarygenera8onpriortoMCC6(nochangestogeometrydimensionssincethen)

•  Op8caldetectorsingeometrynotbasedonactualplanforprotoDUNE(copiedfromFDscript)

•  Op8calsimula8onruns(fclfilessetupcorrectly)•  ResultsuntestedasfarasIknow

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CORSIKAinLArSo2•  CORSIKAcosmicraysimula8onimplementedinLArSo2byMaXBass

–  OriginallyforuBooNE–  SeetalkatLArSo2coordina8onmee8ng:

indico.fnal.gov/conferenceDisplay.py?confId=10893•  CorsikaGenmoduleinLArSo2samplesfrompre-generatedlibraryof

CORSIKAsamples•  Datafilescontainingpre-generatedsamplesproducedonper-experiment

basis–thankstoMaXforgenera8ngthislibraryforprotoDUNE

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M.Bass

Quickcheckofmuonrates:•  uBooNE:~160Hz/m2•  protoDUNE:~170Hz/m2•  Expecteddifferencebasedon

al8tude~6%•  Thisexerciseuncoveredissues

withmaterialinouterlayersofDUNE/protoDUNEgeometry–fixinprogress.

CORSIKAinLArSo2(cont)

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M.Bass

•  Showersfromlibrarydistributedalongshowerarea

•  Willbekeptifintersectbufferbox•  Ifkept,projectedtoProjectToHeight

CosmicSimula8oninprotoDUNE

•  SampleTime=1fulldri28me+readoutwindow•  TimeOffsetadjustedforprotoDUNEreadoutwindow(4ms)•  BufferBoxandShowerAreaExtensionenlargedrela8vetonominalCorsikaGen

parameters•  ProjectToHeight(showersstarthere):z=865cmisjustabovethecryostatvolumein

theexis8nggeometry;nobuildinginsimula8on•  ShowerInputFiles:filesindCachepersistent•  Fclfileindunetpc/dune/EventGenerator/corsika_protodune.fcl•  Atg4stage,recommendsesng:

physics.producers.largeant.KeepPar8clesInVolumes:[“volCryostat”]

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Example•  SeeDorota’stalklaterfordetails•  Expectsomethingontheorderof40eventsperreadoutwindow

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protoDUNESCESimula8on•  MikeMooneyhasstandalonecodeto

calculateexpectedfielddistor8onbasedonassump8onofuniformspacechargedistribu8on

•  Posi8ondistor8onsbasedoncalculatedvaria8oninE-fieldimplementedinLArSo2(LArG4/LArVoxelReadout)

•  AdjustmenttoE-fieldusedtocalculaterecombina8onfactorinprocessofbeingimplementedinLArSo2(LArG4/Ioniza8onAndScin8lla8on)

•  SeeM.M.talkatprotoDUNEscienceworkshopandSeptembercollabora8onmee8ng

•  NeithereffectcurrentlyindefaultprotoDUNEMC

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Δz

Typicalloca8onofpar8clegunpar8clesincurrentgeometry

MicroBooNESCE

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M.Mooney

SCECalibra8onScheme

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M.Mooney

Currentsimula8onefforttoiden8fyrateofeventsthatcanbeusedforthiscalibra8on(cosmics,beamhalo)

Exis8ngMCSamples•  MCC6samples:

–  NoSCE–  Par8cleguninjectedatfront

faceof“beamwindow”–  Bothmono-energe8candΔp/

p-5%–  Positrons(1GeV)–  Kaons(1GeV)–  Protons(1GeV)–  Pions(200MeV)–  Muons(200MeV)–  Sampleschosenbasedon

needsofreconstruc8oneffort(Robert/Dorota)andtoforfirstexerciseofMCCmachinerywithprotoDUNE

•  Privatelygeneratedsamples:–  Mono-energe8cMCCsamples

withSCEposi8oneffect–  Addi8onalpar8clemomenta

usingmono-energe8cMCCsetupw/andw/oSCEposi8oneffect(BNLsummerstudentsJ.LarkinandA.Depoian)•  Positrons(300MeV,500MeV,1

GeV,5GeV)•  Protons(700GeV,1GeV,2GeV,

3GeV)•  Pions(300MeV,500MeV,1

GeV,5GeV)•  Muons(500MeV,1GeV,5GeV)

–  Cosmicrayeventsandcosmicsoverlayedonbeammuons

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Exis8ngMCSamples(cont)

•  MCC7samples:–  2GeVprotons–  1GeVkaons–  2GeVpions–  1GeVmuons–  200,500,1000,2000,5000,7000MeVelectrons

•  Extra(MCC7era)privatelygeneratedsamples:–  1.5,2,3GeVkaons

•  AllsamplesstoredonFNALDUNEdisks–  /dune/data–  /pfns/dune/scratch

•  MCC7samplesin:–  /pnfs/dune/scratch/dunepro/v06_05_00

•  OthersscaXeredinprivateareas–askElizabethorDorota

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Summary•  WorkonprotoDUNE-specificsimula8onbeganfall2015

–  LArSo2protoDUNEservicesdefined–  Geometrywithmanydetailsimplemented

•  Improvementsongoing–  Spacechargeeffectsimula8on

•  Posi8ondistor8onimplemented•  Recombina8oneffectinprogress

–  Cosmicsimula8on•  CorsikaGenimplemented

–  Con8nuedaddi8onoffeaturesandimprovementstoexis8ngfeatureswillbedrivenbyanalysisneeds

•  ManyMCsamplesexist–pleasestarttoanalyzethem!•  Addi8onalMCsamplesavailableonrequest–pleaseask!

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