1. 10/28/031 NICADD Test Beam Simulator J. McCormick Jeremy I. McCormick Project Description Geometry Hits Processing Command Interface Particle Generation Text Output Format Histograms Visualization Obtaining Test Beam NICADD Test Beam Simulator

2. 10/28/031 NICADD Test Beam Simulator J. McCormick Project Description Test Beam Prototype Hadron & EM Calorimeters, Tail Catcher HCal & ECal layering similar to SDJan03 Polystyrene and Silicon sensitive regions one volume per cell geometries aggregate step hits by cell with track contributions

3. 10/28/031 NICADD Test Beam Simulator J. McCormick Libraries Geant4.5.2.p01 GPS g4phys SO popt for CL Composite Materials def from PEGS4 (CERN)

4. 10/28/031 NICADD Test Beam Simulator J. McCormick Classes G4 Utility Cellulizer BoxCellulizer MaterialMap User TBEventAction TBPrimaryGeneratorAction TBRunAction TBSteppingAction TBTracking Action TBVisManager Geometry GeometryMap PhysVolInfo TBDetectorConstruction TBCal TBTailCatcher TBECal TBHCal Hits and Tracks TBCellHit TBSensitiveDetector TBTrackInformation TBEdepMap

5. 10/28/031 NICADD Test Beam Simulator J. McCormick Class Diagram: Associations

6. 10/28/031 NICADD Test Beam Simulator J. McCormick GeometryMap ComputeWorldVectors() AddDaughters(vol, layno) PhysVolInfo GetLayNo() GetVolType() GetGlobId() GetHit() GetThreeVector() ComputeWorldVector() TBCellHit TBDetectorConstruction TBSensitiveDetector

7. 10/28/031 NICADD Test Beam Simulator J. McCormick Detector Geometry ECalHCal TC ~2 m 1.5 m 1 m

8. 10/28/031 NICADD Test Beam Simulator J. McCormick Geometry Overview Same as HCal1.5 x 1.5 6 * 10.5 cm = 63 cm Tail Catcher -max 1.5 x 1.5 203 cm Total Materials X x Y dim. (m) No. Layers * thickness = total thickness Component Stainless Steel, Polystyrene 1 x 1 50 * 2.5 cm = 125 cm HCal W, G10, Si, Cu, Air 1 x 1 30 * 5 mm = 15 cm ECal

9. 10/28/031 NICADD Test Beam Simulator J. McCormick Cells 323,290 -86Total 90156Tail Catcher 300,00010,00030ECal 23,200100 inner + 364 outer = 464 50HCal Total CellsCells / Layer LayersComponent 1.5 m

10. 10/28/031 NICADD Test Beam Simulator J. McCormick HCal Front Side (Angled) 1 m 1.25 m 30 cm

11. 10/28/031 NICADD Test Beam Simulator J. McCormick ECal FrontSide 1 m ~6 cm

12. 10/28/031 NICADD Test Beam Simulator J. McCormick Tail Catcher Front (Hor) Front (Vert) Side Front (transparent) 1.5 m 63 cm

13. 10/28/031 NICADD Test Beam Simulator J. McCormick Command Interface Command-line Usage: -?print usage -cvisualize cells -tvisualize tracks -hvisualize hits -o outfile_path output filepath -m macro_file macro -v start with vis.mac All Options Example: testbeam -vhtc -o outfile_txt -m run.mac /tbeam/doRun no_events

14. 10/28/031 NICADD Test Beam Simulator J. McCormick Particle Generation General Particle Source 1 to n MC particles random starting regions random theta / phi within max / min random energy /tbeam/doRun no_events for multiple events

15. 10/28/031 NICADD Test Beam Simulator J. McCormick GPS Conical Example Pi+ pos = (0, 0,1990) theta = 0-10 phi = all e = 2-10 GeV charged traj only

16. 10/28/031 NICADD Test Beam Simulator J. McCormick GPS Square Example Pi+ pos = (rX,rY,1990) square = 15 cm / side e = 10-20 GeV charged traj only

17. 10/28/031 NICADD Test Beam Simulator J. McCormick Hits Processing TBSensitiveDetector::ProcessHits() PhysVolInfo *pinfo = PhysVolMap->GetPhysVolInfo(physVol); TBCellHit *theHit = CellHit(physVol); if (!theHit) { theHit = new TBCellHit(); if (pinfo) { theHit->SetPhysVolInfo(pinfo); mapHits.insert(HitMapPair(physVol,theHit)); PhysVolInfo::PhysVolType vtype = pinfo->GetVolType(); if (vtype == PhysVolInfo::CELL) { theHit->IncrEdep(edep); TBTrackInformation *tinfo = (TBTrackInformation*)(aStep->GetTrack()->GetUserInformation()); theHit->IncrTrkEdep(tinfo->GetTrackID(),edep); } else if (vtype == PhysVolInfo::ABSORBER) { theHit->IncrAbsEdep(edep); }

18. 10/28/031 NICADD Test Beam Simulator J. McCormick End of Event TBSensitiveDetector::EndOfEvent() { Copy Hits to HC } TBEventAction::EndOfEventAction() WriteEvent(evt) WriteHitsCollection(HC) aHit->Write(ostr) TrackEdep->Write(ostr) aHit->Draw() VisualizeTrajectories(evt)

19. 10/28/031 NICADD Test Beam Simulator J. McCormick Text Output Format EVENT evt_no ECAL no_hits layer_no … x y z cell_edep abs_edep track_no track_edep … HCAL … … TAILCATCHER … …

20. 10/28/031 NICADD Test Beam Simulator J. McCormick Output Example EVENT 0 HCAL 2 1 0 0 0 0 -352.5 0 407.334 0 1 0 0 65 -85 435 1.22144 0 1 2 1.22144 ECAL 1 1 0 0 85 95 584.3 0.113163 0 1 2 0.113163 TAILCATCHER 1 1 0 0 0 300 -690 0.00100138 0 1 1 0.00100138

21. 10/28/031 NICADD Test Beam Simulator J. McCormick ***Hist 1

22. 10/28/031 NICADD Test Beam Simulator J. McCormick ***Hist 2

23. 10/28/031 NICADD Test Beam Simulator J. McCormick Visualization Scheme Cell Hits (all layers) Tracks Blue: positive Red: negative Green: neutral Trajectory Charge Color (front view of HCal & ECal hits)

24. 10/28/031 NICADD Test Beam Simulator J. McCormick All Trajectories and Lit Cells: Side View pi+ pos = (0, 0, 1990) mom = (0, 0, -1) E = 20 GeV all traj & lit cells

25. 10/28/031 NICADD Test Beam Simulator J. McCormick GPS Square: Side View

26. 10/28/031 NICADD Test Beam Simulator J. McCormick GPS Cone: Top View 20 pi+ theta = 0-10 phi = all mom = (0, 0, -1) E = 5-10 GeV charged traj & lit cells

27. 10/28/031 NICADD Test Beam Simulator J. McCormick GPS Cone: Front View 100 pi+ charged traj

28. 10/28/031 NICADD Test Beam Simulator J. McCormick Hits and Tracks in ECal e- pos = (0, 0, 1990) mom = (0, 0, -1) E = 50 GeV all traj & hits

29. 10/28/031 NICADD Test Beam Simulator J. McCormick Additional Information ● Homepage: http://nicadd.niu.edu/~jeremy/g4proj Source Browser: http://nicadd.niu.edu/~jeremy/tbeam/html/ CVSROOT=:ext:lcdguest@nicadd.niu.edu:/cvs CVS_RSH=ssh Password = lcd_2004 g4phys: http://nicadd.niu.edu/~jeremy/download/g4phys.tgz popt: http://www.gnu.org/directory/libs/popt.html