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Update on the simulation with pixl patches

Update on the simulation with pixl patches. BFC chain was working with TPC+full PiXL but crashes when I used patches for pixl : Reason : different geometries used when PixhitCollection are written (StPixlFastSimMaker) and when tracking is done (StiHftHitLoader)

harsha
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Update on the simulation with pixl patches

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  1. Update on the simulation with pixl patches • BFC chain was working with TPC+full PiXL but crashes when I used patches for pixl : • Reason : different geometries used when PixhitCollection are written (StPixlFastSimMaker) and when tracking is done (StiHftHitLoader) • I was unable to have geometry file of a modified geom. (upgr15.h) using Gerrit’s how-to • Jason had a recipe on his blog to create the proper file from starsim directly : http://drupal.star.bnl.gov/STAR/blog/jwebb/2011/jul/11/howto-convert-a-starsim-geometry-root update BFC with pixl patch

  2. 2 patches • I’ve defined 2 others pixl geometry files : • pixlgeo13.g : adjacent patch • pixlgeo14.g : mercedes patch inner layer outer layer update BFC with pixl patch

  3. Starsim & BFC chain • Code in DEV. • Single pions are generated with patched pixel means no SSD nor IST material. • BFC chain : root4star -b -q 'bfc.C(1,20,"DbV20090305,trs,upgr15,-ssdfast,pixFastSim, Idst,IAna,l0,tpcI,fcf,Tree,logger,ITTF,Sti,StiRnd,PixelIT,-IstIT, StiPulls,VFMCE,NoSvtIt,NoSsdIt,MakeEvent,McEvent,geant,evout, IdTruth,tags,bbcSim,emcY2,EEfs,big,-dstout,fzin,McEvOut,clearmem, MiniMcMk","/star/institutions/ksu/bouchet/HFTPATCH_SCRATCH/ 100pions_50ev.fz") > log ' • no reco nor tracking in SSD • no tracking in IST update BFC with pixl patch

  4. Plots are the 2D positions of the first hit on tracks • Root file is MuDst.root = reconstructed tracks BFC chain works with patch Some issues to fix : • almost no hits in the second layer • Tracking evaluation using StRecTreeMaker next step : go back to hijing events with pileup update BFC with pixl patch

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