X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TPC%2FAliTPCv3.cxx;h=012d039be61ea9659c01892e001837ea2986daee;hb=a6c891758a78053b8f0cb66b3f8156cb165e2eab;hp=59729a7b3b08663c5614977c1c8476a5d046e6ca;hpb=4c03906077acc435bf9790b980186e0015ea0b89;p=u%2Fmrichter%2FAliRoot.git
diff --git a/TPC/AliTPCv3.cxx b/TPC/AliTPCv3.cxx
index 59729a7b3b0..012d039be61 100644
--- a/TPC/AliTPCv3.cxx
+++ b/TPC/AliTPCv3.cxx
@@ -13,618 +13,1467 @@
* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
+//
+///////////////////////////////////////////////////////////////////////////////
+// //
+// Time Projection Chamber version 3 -- detailed TPC and slow simulation //
+//
+//Begin_Html
/*
-$Log$
+
*/
+//End_Html
+// //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+#include
+
+#include
+#include
+#include
+#include
+#include
+
+#include "AliConst.h"
+#include "AliRun.h"
+#include "AliTPCDigitsArray.h"
+#include "AliTPCParam.h"
+#include "AliTPCParamSR.h"
+#include "AliTPCTrackHitsV2.h"
+#include "AliTPCv3.h"
+#include "AliMC.h"
+
+ClassImp(AliTPCv3)
+//_____________________________________________________________________________
+
+ AliTPCv3::AliTPCv3(){
+
+ fHitType = 1;
+
+}
+
+//_____________________________________________________________________________
+AliTPCv3::AliTPCv3(const char *name, const char *title) :
+ AliTPC(name, title)
+{
+ //
+ // Standard constructor for Time Projection Chamber version 3
+ //
+
+ SetBufferSize(128000);
+ fIdSens=0;
+
+ SetGasMixt(2,20,10,-1,0.9,0.1,0.);
+
+ if (fTPCParam)
+ fTPCParam->Write(fTPCParam->GetTitle());
+
+ fHitType =1;
+}
+
+//_____________________________________________________________________________
+void AliTPCv3::CreateGeometry()
+{
+ //
+ // Creation of the TPC coarse geometry (version 3)
+ // The whole drift volume is sensitive
+ // Origin Marek Kowalski Cracow
+ //
+ //Begin_Html
+ /*
+ 
+ */
+ //End_Html
+ //Begin_Html
+ /*
+ 
+ */
+ //End_Html
+ Float_t dm[50];
+
+ Int_t *idtmed = fIdtmed->GetArray(); // TPC media
+
+ Int_t idrotm[120]; // rotation matrices
+
+ Int_t nRotMat = 0; // actual number of rotation matrices
+
+
+ //
+ // Mother volume (Air) - all volumes will be positioned in it
+ //
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=8.;
+
+ //
+
+ dm[3]=-283.7;
+ dm[4]=77.017;
+ dm[5]=278.;
+
+ //
+
+ dm[6]=-253.6;
+ dm[7]=65.6;
+ dm[8]=278.;
+
+ //
+
+ dm[9]=-73.3;
+ dm[10]=60.9;
+ dm[11]=278.;
+
+ //
+
+ dm[12]=-73.3;
+ dm[13]=56.9;
+ dm[14]=278.;
+
+ //
+
+ dm[15]=73.3;
+ dm[16]=56.9;
+ dm[17]=278.;
+
+ //
+
+ dm[18]=73.3;
+ dm[19]=60.9;
+ dm[20]=278.;
+
+ //
+
+ dm[21]=253.6;
+ dm[22]=65.6;
+ dm[23]=278.;
+
+ //
+
+ dm[24]=283.7;
+ dm[25]=77.017;
+ dm[26]=278.;
+
+ gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27);
+
+ // outer part
+
+ //-------------------------------------------------------------------
+ // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage
+ //-------------------------------------------------------------------
+
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]= 6.;
+
+ //
+
+ dm[3]=-253.6;
+ dm[4]=258.;
+ dm[5]=275.5;
+
+ //
+
+ dm[6]=-250.6;
+ dm[7]=258.;
+ dm[8]=275.5;
+
+ //
+
+ dm[9]=-250.6;
+ dm[10]=258.;
+ dm[11]=278.;
+
+ //
+
+ dm[12]=253.6;
+ dm[13]=258.;
+ dm[14]=278.;
+
+ //
+
+ dm[15]=253.6;
+ dm[16]=264.8;
+ dm[17]=278.;
+
+ //
+
+ dm[18]=256.6;
+ dm[19]=264.8;
+ dm[20]=278.;
+
+ gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
+
+ //----------------------------------------------------------------
+ // Tpc Outer Contaiment Vessel
+ // mother volume - Al, daughters - composite (sandwich)
+ //----------------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=6.;
+
+ //
+
+ dm[3]=-250.6;
+ dm[4]=270.4;
+ dm[5]=278.;
+
+ //
+
+ dm[6]=-247.6;
+ dm[7]=270.4;
+ dm[8]=278.;
+
+ //
+
+ dm[9]=-247.6;
+ dm[10]=274.8124;
+ dm[11]=278.;
+
+ //
+
+ dm[12]=253.6;
+ dm[13]=274.8124;
+ dm[14]=278.;
+
+ //
+
+ dm[15]=253.6;
+ dm[16]=264.8;
+ dm[17]=278.;
+
+ //
+
+ dm[18]=256.6;
+ dm[19]=264.8;
+ dm[20]=278.;
+
+ gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
+
+ // Daughter volumes - sandwich
+
+ // Tpc SAndwich 1 - Al
+
+ dm[0]=274.8124;
+ dm[1]=278.;
+ dm[2]=252.1;
+
+ gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
+
+ // Tpc SAndwich 2 - epoxy glue (I use Lexan)
+
+ dm[0] += 5.e-3;
+ dm[1] -= 5.e-3;
+
+ gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3);
+
+ // Tpc SAndwich 3 - Tedlar
+
+ dm[0] += 0.01;
+ dm[1] -= 0.01;
+
+ gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3);
+
+
+ // Tpc SAndwich 4 - fiber glass (G10)
+
+ dm[0] += 3.8e-3;
+ dm[1] -= 3.8e-3;
+
+ gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3);
+
+ // Tpc SAndwich 5 - NOMEX honeycomb
+
+ dm[0] += 0.075;
+ dm[1] -= 0.075;
+
+ gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3);
+
+ // 5->4->3->2->1->TCOV
+
+
+ gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY");
+
+ // TCOV-> TOIN
+
+ gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
+
+ //-------------------------------------------------------
+ // Tpc Outer Field Cage
+ // mother volume - Al, daughters - composite (sandwich)
+ //-------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=6.;
+
+ //
+
+ dm[3]=-253.6;
+ dm[4]=258.;
+ dm[5]=275.5;
+
+ //
+
+ dm[6]=-250.6;
+ dm[7]=258.;
+ dm[8]=275.5;
+
+ //
+
+ dm[9]=-250.6;
+ dm[10]=258.;
+ dm[11]=260.0476;
+
+ //
+
+ dm[12]=250.6;
+ dm[13]=258.;
+ dm[14]=260.0476;
+
+ //
+
+ dm[15]=250.6;
+ dm[16]=258.;
+ dm[17]=269.6;
+
+ //
+
+ dm[18]=253.6;
+ dm[19]=258.;
+ dm[20]=269.6;
+
+ gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
+
+ // Daughter volumes
+
+ // Tpc SAndwich 6 - Tedlar
+
+ dm[0]= 258.;
+ dm[1]= 260.0476;
+ dm[2]= 252.1;
+
+ gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3);
+
+ // Tpc SAndwich 7 - fiber glass
+
+ dm[0] += 3.8e-3;
+ dm[1] -= 3.8e-3;
+
+ gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3);
+
+
+ // Tpc SAndwich 8 - NOMEX
+
+ dm[0] += 0.02;
+ dm[1] -= 0.02;
+
+ gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3);
+
+ // 8->7->6->TOFC
+
+ gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY");
+
+ // TOFC->TOIN
+
+ gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
+
+ // TOIN->TPC
+
+ gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+ // inner part
+
+ //--------------------------------------------------------------------
+ // Tpc Inner INsulator (CO2) - inner f.c. will be placed there
+ // Inner containment vessel will be placed directly in the TPC
+ //--------------------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=4.;
+
+ //
+
+ dm[3]=-253.6;
+ dm[4]=65.9;
+ dm[5]=79.2;
+
+ //
+
+ dm[6]=-73.3;
+ dm[7]=61.2;
+ dm[8]=79.2;
+
+ //
+
+ dm[9]=73.3;
+ dm[10]=61.2;
+ dm[11]=79.2;
+
+ //
+
+ dm[12]=253.6;
+ dm[13]=65.9;
+ dm[14]=79.2;
+
+ gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15);
+
+ // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2
+
+ dm[0]=79.16;
+ dm[1]=79.2;
+ dm[2]=88.;
+
+ gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3);
+
+ gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ //-----------------------------------------------------
+ // Tpc Inner Field Cage
+ // mother volume - Al, daughters - composite (sandwich)
+ //------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=10.;
+
+ //
+
+ dm[3]=-253.6;
+ dm[4]=70.3;
+ dm[5]=79.2;
+
+ //
+
+ dm[6]=-250.6;
+ dm[7]=70.3;
+ dm[8]=79.2;
+
+ //
+
+ dm[9]=-250.6;
+ dm[10]=77.0524;
+ dm[11]=79.2;
+
+ //
+
+ dm[12]=-88.;
+ dm[13]=77.0524;
+ dm[14]=79.2;
+
+ //
+
+ dm[15]=-88.;
+ dm[16]=77.0924;
+ dm[17]=79.16;
+
+ //
+
+ dm[18]=88.;
+ dm[19]=77.0924;
+ dm[20]=79.16;
+
+ //
+
+ dm[21]=88.;
+ dm[22]=77.0524;
+ dm[23]=79.2;
+
+ //
+
+ dm[24]=250.6;
+ dm[25]=77.0524;
+ dm[26]=79.2;
+
+ //
+
+ dm[27]=250.6;
+ dm[28]=70.3;
+ dm[29]=79.2;
+
+ //
+
+ dm[30]=253.6;
+ dm[31]=70.3;
+ dm[32]=79.2;
+
+ gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33);
+
+ // daughter volumes - central part
+
+ // Tpc Sandwich 9 -Tedlar
+
+ dm[0]=77.0924;
+ dm[1]=79.16;
+ dm[2]=88.;
+
+ gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3);
+
+ // Tpc Sandwich 10 - fiber glass (G10)
+
+ dm[0] += 3.8e-3;
+ dm[1] -= 3.8e-3;
+
+ gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3);
+
+ // Tpc Sandwich 11 - NOMEX
+
+ dm[0] += 0.03;
+ dm[1] -= 0.03;
+
+ gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3);
+
+ // 11->10->9->TIFC
+
+ gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY");
+
+ // daughter volumes - outer parts (reinforced)
+
+ // Tpc Sandwich 12 -Tedlar
+
+ dm[0]=77.0524;
+ dm[1]=79.2;
+ dm[2]=82.05;
+
+ gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3);
+
+ // Tpc Sandwich 13 - fiber glass (G10)
+
+ dm[0] += 3.8e-3;
+ dm[1] -= 3.8e-3;
+
+ gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3);
+
+ // Tpc Sandwich 14 - NOMEX
+
+ dm[0] += 0.07;
+ dm[1] -= 0.07;
+
+ gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3);
+
+ // 14->13->12->TIFC
+
+ gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY");
+ gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY");
+
+ // place this inside the inner insulator
+
+ gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ // and now in the TPC...
+
+ gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+ //---------------------------------------------------------
+ // Tpc Inner Containment vessel - Cones
+ //---------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=8.;
+
+ //
+
+ dm[3]=71.8;
+ dm[4]=56.9;
+ dm[5]=59.4;
+
+ //
+
+ dm[6]=73.;
+ dm[7]=56.9;
+ dm[8]=59.4;
+
+ //
+
+ dm[9]=73.;
+ dm[10]=56.9;
+ dm[11]=61.2;
+
+ //
+
+ dm[12]=73.3;
+ dm[13]=56.9;
+ dm[14]=61.2;
+
+ //
+
+ dm[15]=73.3;
+ dm[16]=60.9;
+ dm[17]=61.2;
+
+ //
+
+ dm[18]=253.6;
+ dm[19]=65.6;
+ dm[20]=65.9;
+
+ //
+
+ dm[21]=253.6;
+ dm[22]=65.6;
+ dm[23]=74.6;
+
+ //
+
+ dm[24]=256.6;
+ dm[25]=65.6;
+ dm[26]=74.6;
+
+ gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27);
+
+ Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
+
+ // reflection matrix
+
+ theta1 = 90.;
+ phi1 = 0.;
+ theta2 = 90.;
+ phi2 = 270.;
+ theta3 = 180.;
+ phi3 = 0.;
+
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
+
+ gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
+
+
+ //---------------------------------------------------------
+ // Tpc Inner Containment vessel - Middle part -Al
+ //---------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=6.;
+
+ //
+
+ dm[3]=-71.6;
+ dm[4]=60.2;
+ dm[5]=61.2;
+
+ //
+
+ dm[6]=-69.1;
+ dm[7]=60.2;
+ dm[8]=61.2;
+
+ //
+
+ dm[9]=-69.1;
+ dm[10]=60.6224;
+ dm[11]=61.2;
+
+ //
+
+ dm[12]=69.1;
+ dm[13]=60.6224;
+ dm[14]=61.2;
+
+ //
+
+ dm[15]=69.1;
+ dm[16]=60.2;
+ dm[17]=61.2;
+
+ //
+
+ dm[18]=71.6;
+ dm[19]=60.2;
+ dm[20]=61.2;
+
+ gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21);
+
+ // Tpc Sandwich 15 - Al
+
+ dm[0]=60.6224;
+ dm[1]=61.2;
+ dm[2]=70.1;
+
+ gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3);
+
+ // Tpc Sandwich 16 - epoxy glue
+
+ dm[0] += 5.e-3;
+ dm[1] -= 5.e-3;
+
+ gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3);
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Time Projection Chamber version 3 -- detailed TPC and slow simulation //
-// //
-//Begin_Html
-/*
-
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
+ // Tpc Sandwich 17 - Tedlar
-#include
-#include
+ dm[0] += 0.01;
+ dm[1] -= 0.01;
-#include "AliTPCv3.h"
-#include "AliRun.h"
-#include "AliConst.h"
-#include "AliTPCD.h"
-#include "AliTPCParam.h"
+ gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
-ClassImp(AliTPCv3)
+ // Tpc Sandwich 18 - carbon fiber
+
+ dm[0] += 3.8e-3;
+ dm[1] -= 3.8e-3;
+
+ gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3);
+
+ // Tpc Sandwich 19 - Nomex
+
+ dm[0] += 0.02;
+ dm[1] -= 0.02;
+
+ gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
+
+ // 19->18->17->16->15-> TICM
+
+ gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY");
-//_____________________________________________________________________________
-AliTPCv3::AliTPCv3(const char *name, const char *title) :
- AliTPC(name, title)
-{
+
+ // TPc inner cont. vessel Joints
+
+ dm[0]=60.2;
+ dm[1]=61.2;
+ dm[2]=0.5;
+
+ gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3);
+
+ gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY");
+ gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY");
+
//
- // Standard constructor for Time Projection Chamber version 2
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=4.;
+
//
- SetBufferSize(128000);
-}
-
-//_____________________________________________________________________________
-void AliTPCv3::CreateGeometry()
-{
+ dm[3]=70.8;
+ dm[4]=58.4;
+ dm[5]=60.1;
+
//
- // Creation of the TPC coarse geometry (version 0)
- // Origin Marek Kowalski Crakow
+
+ dm[6]=71.2;
+ dm[7]=58.4;
+ dm[8]=60.1;
+
//
- //Begin_Html
- /*
- 
- */
- //End_Html
- //Begin_Html
- /*
- 
- */
- //End_Html
- AliTPCParam * fTPCParam = &(fDigParam->GetParam());
+ dm[9]=71.2;
+ dm[10]=58.4;
+ dm[11]=59.4;
- Int_t *idtmed = fIdtmed->GetArray();
+ //
- Float_t dm[21];
- Int_t idrotm[120];
+ dm[12]=71.6;
+ dm[13]=58.4;
+ dm[14]=59.4;
- Int_t nRotMat = 0;
+ gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15);
+ gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
- // ----------------------------------------------------
- // FIELD CAGE WITH ENDCAPS - G10
- // THIS IS ALSO A TPC MOTHER VOLUME
- // ----------------------------------------------------
- dm[0] = 76.;
- dm[1] = 278.;
- dm[2] = 275.;
- gMC->Gsvolu("TPC ", "TUBE", idtmed[8], dm, 3);
+ // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being)
- //-----------------------------------------------------
- // Endcap cover c-fibre 0.86% X0
- //-----------------------------------------------------
+ dm[0]=58.4;
+ dm[1]=61.2;
+ dm[2]=0.1;
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.95;
+ gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3);
- gMC->Gsvolu("TPEC","TUBE",idtmed[10],dm,3);
+ gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY");
+ gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY");
- //-----------------------------------------------------
- // Drift gas , leave 2 cm at the outer radius
- // and inner raddius
- //-----------------------------------------------------
+ // TICM -> TPC
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 250.;
+ gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY");
- gMC->Gsvolu("TGAS", "TUBE", idtmed[4], dm, 3);
+ //
+ nRotMat++; // prepare for the next rotation matrix
- //------------------------------------------------------
- // membrane holder - carbon fiber
- //------------------------------------------------------
+ //---------------------------------------------------------
+ // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
+ // and its daughters (HV membrane, rods, readout chambers)
+ //---------------------------------------------------------
+ dm[0]= 79.2;
+ dm[1]= 258.0;
+ dm[2]= 253.6;
- gMC->Gsvolu("TPMH","TUBE",idtmed[6],dm,0);
+ gMC->Gsvolu("TDGS","TUBE",idtmed[2],dm,3);
- dm[0] = 252.;
- dm[1] = 258.;
- dm[2] = 0.2;
+ // sector opening angles
- gMC->Gsposp("TPMH",1,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
-
- dm[0] = 78.;
- dm[2] = 82.;
- dm[2] = 0.1;
+ Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
- gMC->Gsposp("TPMH",2,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
+ // sector angle shift
- //----------------------------------------------------------
- // HV membrane - 25 microns of mylar
- //----------------------------------------------------------
+ Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
- dm[0] = 82.;
- dm[1] = 252.;
- dm[2] = 0.00125;
+ // number of sectors
- gMC->Gsvolu("TPHV","TUBE",idtmed[5],dm,3);
+ Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
+ Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
- gMC->Gspos("TPHV",1,"TGAS",0.,0.,0.,0,"ONLY");
+ // All above parameters are identical for inner and outer
+ // sectors. The distinction is kept for the historical reasons
+ // and eventually will disappear.
- gMC->Gspos("TGAS",1,"TPC ",0.,0.,0.,0,"ONLY");
+ Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
+ Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
+ Float_t space;
- //----------------------------------------------------------
- // "side" gas volume, the same as the drift gas
- // the readout chambers are placed there.
- //----------------------------------------------------------
+ //-------------------------------------------------------------------------
+ // Tpc Inner Readout Chambers
+ //-------------------------------------------------------------------------
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.5*(275. - 250.);
-
- gMC->Gsvolu("TPSG", "TUBE", idtmed[2], dm, 3);
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 1.6; // thickness
+ dm[3]= 25.1;
- Float_t z_side = dm[2]; // 1/2 of the side gas thickness
+ gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
- //-----------------------------------------------------------
- // Readout chambers , 25% of X0, I use Al as the material
- //-----------------------------------------------------------
+ // this volume will be positioned in the empty space
+ // of the end-cap to avoid overlaps
- Float_t InnerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t OuterOpenAngle = fTPCParam->GetOuterAngle();
+ dm[0]= 13.7305;
+ dm[1]= 21.1895;
+ dm[2]= 2.25;
+ dm[3]= 21.15;
- Float_t InnerAngleShift = fTPCParam->GetInnerAngleShift();
- Float_t OuterAngleShift = fTPCParam->GetOuterAngleShift();
+ gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
- Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
- Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
+ //------------------------------------------------
+ // Tpc Inner readout chamber Pad Plane
+ //------------------------------------------------
+
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 0.5;
+ dm[3]= 25.1;
+
+ gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
+
+ //
+
+ dm[0] -= 1.218511934;
+ dm[1] -= 1.218511934;
+ dm[2] = 0.35;
+
+ gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
+
+ gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
+
+ gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
+
+
+ //----------------------------------------------
+ // Tpc Readout Chambers Empty spaces - for both
+ // inner and outer sectors
+ //----------------------------------------------
+
+ gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
+
+ // Inner sector - 4 spaces
+
+
+ dm[3] = 4.7625;
+ dm[0] = 12.472;
+
+ Float_t rr = 90.52;
+ Float_t zz;
+
+ zz= -12.7875;
+
+ space = rr*tanAlpha-dm[0];
+
+ for(Int_t nsLow=0;nsLow<4;nsLow++){
+
+ rr += 9.525;
+ dm[1]= rr*tanAlpha - space;
+
+ dm[2]=0.8;
+ gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
- Float_t InSecLowEdge = fTPCParam->GetInSecLowEdge();
- Float_t InSecUpEdge = fTPCParam->GetInSecUpEdge();
+ //
+
+ dm[2] = 1.2;
- Float_t OuSecLowEdge = fTPCParam->GetOuSecLowEdge();
- Float_t OuSecUpEdge = fTPCParam->GetOuSecUpEdge();
+ gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
- Float_t SecThick = 2.225; // Al
+ rr += 0.4;
+ dm[0] = rr*tanAlpha - space;
+ zz += (0.4+9.525);
+
+ }
- Float_t edge = fTPCParam->GetEdge();
+ dm[0]= 12.472;
+ // dm[1] - this is the dm[1] from the previous TRCE
+ dm[2]= 1.05;
+ dm[3]= 19.65;
- // S (Inner) sectors
+ gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-edge;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-edge;
- dm[2] = SecThick;
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
+ //
+ // TPc Space for Connectors
+ //
- Float_t xCenterS = InSecLowEdge+dm[3];
+ dm[0]= .3;
+ dm[1]= .3;
+ dm[2]= 4.5;
- gMC->Gsvolu("TRCS", "TRD1", idtmed[0], dm, 4);
+ gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
- // L (Outer) sectors
+ // TPC Connectors
- dm[0] = OuSecLowEdge*TMath::Tan(0.5*OuterOpenAngle)-edge;
- dm[1] = OuSecUpEdge*TMath::Tan(0.5*OuterOpenAngle)-edge;
- dm[2] = SecThick;
- dm[3] = 0.5*(OuSecUpEdge-OuSecLowEdge);
+ dm[0]= .25;
+ dm[1]= .15;
+ dm[2]= 3.75;
- Float_t xCenterL = OuSecLowEdge+dm[3];
+ gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
- gMC->Gsvolu("TRCL", "TRD1", idtmed[0], dm, 4);
+ gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
- Float_t z1 = -z_side + SecThick*0.5;
+ zz = -12.7875;
- //------------------------------------------------------------------
- // Positioning of the S-sector readout chambers
- //------------------------------------------------------------------
- Int_t ns;
- Float_t theta1,theta2,theta3;
- Float_t phi1,phi2,phi3;
Float_t alpha;
- Float_t x,y;
+ Float_t astep;
- for(ns=0;ns 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * InnerOpenAngle + InnerAngleShift;
- phi3 *= kRaddeg; // in degrees
+ Float_t x1,x2;
- phi3 = (Float_t)TMath::Nint(phi3);
-
- if(phi3 > 360.) phi3 -= 360.;
+ x1 = 13.31175725;
+ x1 -= 0.996357832;
- theta3 = 90.;
+ x2 = 15.06180253;
+ x2 -= 1.163028812;
+
+ Int_t ncon;
- alpha = phi3*kDegrad;
+ for(ncon=0;ncon<20;ncon++){
+
+ phi1 = 0.;
+ theta1 = 90.+alpha;
+ phi2=90.;
+ theta2 = 90.;
+ phi3 = (alpha>0) ? 0. : 180.;
+ theta3 = TMath::Abs(alpha);
+
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- x = xCenterS * TMath::Cos(alpha);
- y = xCenterS * TMath::Sin(alpha);
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TRCS", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
- nRotMat++;
+ gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
+ gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
+
+
+ x1 -= 1.296357833;
+ x2 -= 1.463028812;
+
+ alpha -= astep;
+ nRotMat++;
}
-
- //-------------------------------------------------------------------
- // Positioning of the L-sectors readout chambers
- //-------------------------------------------------------------------
-
- for(ns=0;ns 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * OuterOpenAngle+OuterAngleShift;
- phi3 *= kRaddeg; // in degrees
+ astep = 20.00096874/24.;
+ alpha = 10.00048437-astep;
- phi3 = (Float_t)TMath::Nint(phi3);
+ x1 = 16.81184781;
+ x1 -= 1.016295986;
-
- if(phi3 > 360.) phi3 -= 360.;
+ x2 = 18.5618931;
+ x2 -= 1.150914854;
- theta3 = 90.;
+ for(ncon=0;ncon<25;ncon++){
- alpha = phi3*kDegrad;
+ phi1 = 0.;
+ theta1 = 90.+alpha;
+ phi2=90.;
+ theta2 = 90.;
+ phi3 = (alpha>0) ? 0. : 180.;
+ theta3 = TMath::Abs(alpha);
+
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- x = xCenterL * TMath::Cos(alpha);
- y = xCenterL * TMath::Sin(alpha);
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TRCL", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
+ gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
+ gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
- nRotMat++;
- }
+ x1 -= 1.316295986;
+ x2 -= 1.450914854;
- Float_t z0 = z_side - 0.95;
+ alpha -= astep;
+ nRotMat++;
- gMC->Gspos("TPEC",1,"TPSG",0.,0.,z0,0,"ONLY");
+ }
- // ==========================================================
- // wheels
- // ==========================================================
+ //--------------------------------------------------------------------------
+ // TPC Outer Readout Chambers
+ // this is NOT a final design
+ //--------------------------------------------------------------------------
- //
- // auxilary structures
- //
+ dm[0]= 23.3875;
+ dm[1]= 43.524;
+ dm[2]= 1.5; //thickness
+ dm[3]= 57.1;
+ gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
- gMC->Gsvolu("TPWI","TUBE",idtmed[24],dm,0); // "air"
+ //------------------------------------------------
+ // Tpc Outer readout chamber Pad Plane
+ //------------------------------------------------
- // ----------------------------------------------------------
- // Large wheel -> positioned in the TPC
- // ----------------------------------------------------------
-
+ dm[2]= 0.5;
- z0 = 263.5; // TPC length - 1/2 spoke wheel width
+ gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
- dm[0] = 258.;
- dm[1] = 278.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPWL", "TUBE", idtmed[0], dm, 3);
+ dm[0] -= 1.218511934;
+ dm[1] -= 1.218511934;
+ dm[2] = 0.35;
- dm[0] = dm[0]+2.;
- dm[1] = 278.;
- dm[2] = dm[2]-2.;
+ gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
- gMC->Gsposp("TPWI",1,"TPWL",0.,0.,0.,0,"ONLY",dm,3);
+ gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
- gMC->Gspos("TPWL", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPWL", 2, "TPC ", 0, 0, -z0, 0, "ONLY");
+ gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
- //
- // Outer vessel + CO2 HV degrader
- //
+ // empty space
- dm[0] = 260.;
- dm[1] = 278.;
- dm[2] = 252.;
+ dm[0]= 21.035;
+ dm[1]= 38.7205;
+ dm[2]= 0.7;
+ dm[3]= 50.15;
- gMC->Gsvolu("TPCO","TUBE",idtmed[12],dm,3);
+ gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
- dm[0] = 275.;
- dm[1] = 278.;
-
- gMC->Gsvolu("TPOV","TUBE",idtmed[10],dm,3);
+ dm[0]= 22.2935;
+ dm[1]= 40.5085;
+ dm[2]= 2.25;
+ dm[3]= 51.65;
- gMC->Gspos("TPOV",1,"TPCO",0.,0.,0.,0,"ONLY");
+ gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
+ dm[0]= 21.35;
+ dm[1]= 38.7205;
+ dm[2]= 2.25;
+ dm[3]= 50.15;
- // G10 plugs
+ gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
- dm[0] = 258.;
- dm[1] = 260.;
- dm[2] = 1.;
+ //-----------------------------------------------
+ // Tpc Services Support Wheel
+ //-----------------------------------------------
- gMC->Gsvolu("TPG1","TUBE",idtmed[8],dm,3);
- gMC->Gspos("TPG1",1,"TPCO",0.,0.,251.,0,"ONLY");
- gMC->Gspos("TPG1",2,"TPCO",0.,0.,-251.,0,"ONLY");
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=18.;
+ dm[3]=2.;
- gMC->Gspos("TPCO",1,"TPC ",0.,0.,0.,0,"ONLY");
+ dm[4]= -5.;
+ dm[5]= 77.017;
+ dm[6]= 255.267;
+ dm[7]= 5.;
+ dm[8]= dm[5];
+ dm[9]= dm[6];
- //----------------------------------------------------------
- // Small wheel -> positioned in "side gas
- //----------------------------------------------------------
+ gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
+
+ // Tpc Services Wheel Cover
+
+ dm[4]= -0.5;
+ dm[7]= 0.5;
+
+ gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
+
+ // Tpc Service wheel Cover Empty space
+
+ dm[0]= 10.99;
+ dm[1]= 39.599;
+ dm[2]= .5;
+ dm[3]= 81.125;
+
+ gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
+
+ // Tpc services Wheel Empty Spaces
+
+ dm[0]= 13.18017507;
+ dm[1]= 44.61045938;
+ dm[2]= 4.;
+ dm[3]= 89.125;
+
+ gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 11.5;
+ // Tpc Services Wheel Bars
- gMC->Gsvolu("TPWS", "TUBE", idtmed[0], dm, 3);
+ gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
- dm[0] = 78.;
- dm[1] = dm[1]-2;
- dm[2] = dm[2]-2.;
+ // bars-> TWES
- gMC->Gsvolu("TPW1", "TUBE", idtmed[2], dm, 3);
+ dm[2]= 4.;
+ dm[3]= .4;
+
+ dm[0]= 13.8149522;
+ dm[1]= 13.95601379;
- gMC->Gspos("TPW1", 1, "TPWS", 0., 0., 0., 0, "ONLY");
+ gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
- z0 = 1.; // spoke wheel is shifted w.r.t. center of the "side gas"
+ dm[0]= 43.83462067;
+ dm[1]= 43.97568225;
- gMC->Gspos("TPWS", 1, "TPSG", 0, 0, z0, 0, "ONLY");
+ gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
+ // TPc ELectronics - right now 30% X0 Si
- // to avoid overlaps
+ dm[0]= 14.03813696;
+ dm[1]= 43.3524075;
+ dm[2]= 1.404;
+ dm[3]= 83.125;
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 11.5;
+ gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
+ gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
- gMC->Gsvolu("TPS1","TUBE",idtmed[0],dm,3);
+ //--------------------------------------------------------------------------
+ // End caps
+ //--------------------------------------------------------------------------
- dm[2] = 9.5;
+ // TPc Main Wheel - Al
- gMC->Gsvolu("TPS2","TUBE",idtmed[24],dm,3);
+ dm[0]= 74.9;
+ dm[1]= 264.4;
+ dm[2]= 3.0;
- gMC->Gspos("TPS2",1,"TPS1",0.,0.,0.,0,"ONLY");
+ gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
- z0= 263.5;
-
- gMC->Gspos("TPS1",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPS1",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ //--------------------------------------------------------------------------
+ // Tpc Empty Space for the Readout chambers
+ //--------------------------------------------------------------------------
- // G10 plug
+ Float_t rLow= 86.2;
+ Float_t rUp= 243.5;
+ Float_t dR = 0.5*(rUp-rLow);
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 1.;
+ space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide
- gMC->Gsvolu("TPG2","TUBE",idtmed[8],dm,3);
+ dm[0]= rLow*tanAlpha-space;
+ dm[1]= rUp*tanAlpha-space;
+ dm[2] = 3.0;
+ dm[3]= dR;
- z0 = 251.;
+ gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
- gMC->Gspos("TPG2",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPG2",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ // TIC1->TESR
+ gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
- //---------------------------------------------------------
- // central wheel 6 (radial direction) x 4 (along z) cm2
- //---------------------------------------------------------
+ // TOC1->TESR
- dm[0] = 140.;
- dm[1] = 146.;
- dm[2] = 2.;
+ gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
- gMC->Gsvolu("TPWC","TUBE",idtmed[0],dm,3);
+ // Tpc Empty Space Bars - Al (daughters of TESR)
- dm[0] = dm[0] + 2.;
- dm[1] = dm[1] - 2.;
- dm[2] = dm[2] - 1.;
+ Float_t zBar;
- gMC->Gsposp("TPWI",2,"TPWC",0.,0.,0.,0,"ONLY",dm,3);
+ gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
- z0 = z_side - 1.9 - 2.;
+ // lower bar
- gMC->Gspos("TPWC",1,"TPSG",0.,0.,z0,0,"ONLY");
+ dm[0]= rLow*tanAlpha-space;
+ dm[1]= 88.7*tanAlpha-space;
+ dm[2]= 2.25;
+ dm[3]= 1.275;
- //
+ zBar = -dR+dm[3];
- gMC->Gsvolu("TPSE","BOX ",idtmed[24],dm,0); // "empty" part of the spoke
+ gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
-
- //---------------------------------------------------------
- // inner spokes (nSectorInner)
- //---------------------------------------------------------
+ // middle bar
- dm[0] = 0.5*(139.9-82.1);
- dm[1] = 3.;
- dm[2] = 2.;
+ dm[0]= 131.65*tanAlpha-space;
+ dm[1]= 136.5*tanAlpha-space;
+ dm[3]= 2.425;
- Float_t x1 = dm[0]+82.;
+ zBar = -dR +131.65+dm[3]-rLow;
- gMC->Gsvolu("TPSI","BOX",idtmed[0],dm,3);
+ gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
- dm[1] = dm[1]-1.;
- dm[2] = dm[2]-1.;
+ // upper bar
- gMC->Gsposp("TPSE",1,"TPSI",0.,0.,0.,0,"ONLY",dm,3);
+ dm[0]= 240.4*tanAlpha-space;
+ dm[1]= rUp*tanAlpha-space;
+ dm[3]= 1.55;
- for(ns=0;nsGsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
- phi1 = (Float_t)TMath::Nint(phi1);
+ // positioning of the empty spaces into the main wheel
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ Float_t rCenter,xc,yc;
+ Float_t rInner,rOuter; // center of the inner and outer chamber
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ rCenter = rLow+dR;
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ rInner = 108.07;
+ rOuter = 190.68;
- gMC->Gspos("TPSI",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
- nRotMat++;
+ for(Int_t ns=0; ns 360.) phi1 -= 360.;
- x1 = dm[0] + 146.;
+ theta1 = 90.;
+ phi2 = 90.;
+ theta2 = 180.;
+ phi3 = ns * innerOpenAngle + innerAngleShift;
+ phi3 *= kRaddeg; // in degrees
- gMC->Gsvolu("TPSO","BOX ",idtmed[0],dm,3);
+ phi3 = (Float_t)TMath::Nint(phi3);
+
+ if(phi3 > 360.) phi3 -= 360.;
- dm[1] = dm[1] - 1.;
- dm[2] = dm[2] - 1.;
+ theta3 = 90.;
- gMC->Gsposp("TPSE",2,"TPSO",0.,0.,0.,0,"ONLY",dm,3);
+ // "holes"->End plate
- for(ns=0;nsGspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ // TSCE->TSWC (services wheel volumes)
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ xc = 166.142*TMath::Cos(phi3*kDegrad);
+ yc = 166.142*TMath::Sin(phi3*kDegrad);
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
+ gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TPSO",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
- nRotMat++;
+ // readout chambers->TDGS (drift gas)
- }
-
+ xc = rInner*TMath::Cos(phi3*kDegrad);
+ yc = rInner*TMath::Sin(phi3*kDegrad);
-
- // --------------------------------------------------------
- // put the readout chambers into the TPC
- // --------------------------------------------------------
+ gMC->Gspos("TIRC",ns+1,"TDGS",xc,yc,252.,idrotm[nRotMat],"ONLY");
+
+ xc = rOuter*TMath::Cos(phi3*kDegrad);
+ yc = rOuter*TMath::Sin(phi3*kDegrad);
+
+ gMC->Gspos("TORC",ns+1,"TDGS",xc,yc,252.1,idrotm[nRotMat],"ONLY");
+
+ nRotMat++;
+
+ theta2 = 0.; // reflection
+
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
+
+ xc = rInner*TMath::Cos(phi3*kDegrad);
+ yc = rInner*TMath::Sin(phi3*kDegrad);
+
+ gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGS",xc,yc,-252.,idrotm[nRotMat],"ONLY");
+
+ xc = rOuter*TMath::Cos(phi3*kDegrad);
+ yc = rOuter*TMath::Sin(phi3*kDegrad);
+
+ gMC->Gspos("TORC",ns+nOuterSector+1,"TDGS",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
+
+ nRotMat++;
+
+ }
+ // TPMW->TPC
+
+ gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
+ gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY");
+
+ //---------------------------------------------------------
+ // Tpc High Voltage Membrane - 100 microns of mylar
+ //---------------------------------------------------------
+
+ dm[0]=82.8;
+ dm[1]=252.;
+ dm[2]=0.005;
+
+ gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3);
+
+ gMC->Gspos("THVM",1,"TDGS",0.,0.,0.,0,"ONLY");
+
+ // Tpc High Voltage membrane Holders
+
+ gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0);
- theta1 = 90.;
- phi1 = 0.;
- theta2 = 90.;
- phi2 = 270.;
- theta3 = 180.;
- phi3 = 0.;
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- z0 = z_side + 250.;
-
- gMC->Gspos("TPSG", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPSG", 2, "TPC ", 0, 0, -z0, idrotm[nRotMat], "ONLY");
- gMC->Gspos("TPC ", 1, "ALIC", 0, 0, 0, 0, "ONLY");
- //----------------------------------------------------
- // Inner vessel and HV degrader
- //----------------------------------------------------
+ // inner
+
+ dm[0]=79.3;
+ dm[1]=82.8;
+ dm[2]=0.2;
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 4.;
+ gMC->Gsposp("THVH",1,"TDGS",0.,0.,0.,0,"ONLY",dm,3);
- dm[3] = -250.;
- dm[4] = 74.4;
- dm[5] = 76.;
+ // outer
- dm[6] = -64.5;
- dm[7] = 50.;
- dm[8] = 76.;
+ dm[0]= 252.;
+ dm[1]= 257.9;
+ dm[2]= 0.4;
- dm[9] = -64.5;
- dm[10] = 50.;
- dm[11] = 76.;
+ gMC->Gsposp("THVH",2,"TDGS",0.,0.,0.,0,"ONLY",dm,3);
- dm[12] = 250.;
- dm[13] = 74.4;
- dm[14] = 76.;
+ //----------------------------------------------------------
+ // TPc Support Rods - MAKROLON
+ //----------------------------------------------------------
- gMC->Gsvolu("TPVD", "PCON", idtmed[12], dm, 15); // CO2
+ dm[0]= 0.9;
+ dm[1]= 1.2;
- // cone parts
+ gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 2.;
- dm[3] = 64.5;
- dm[4] = 50.;
- dm[5] = 51.6;
-
- dm[6] = 250.;
- dm[7] = 74.4;
- dm[8] = 76.;
+ for(Int_t nrod=0;nrod<18;nrod++){
+ Float_t angle=innerOpenAngle*(Float_t)nrod;
+ xc=81.5*TMath::Cos(angle);
+ yc=81.5*TMath::Sin(angle);
- gMC->Gsvolu("TIVC","PCON",idtmed[11],dm,9); // C-fibre
+ dm[2]=126.7;
- gMC->Gspos("TIVC",1,"TPVD",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TIVC",2,"TPVD",0.,0.,0.,idrotm[nRotMat],"ONLY");
+ gMC->Gsposp("TPSR",nrod+1,"TDGS",xc,yc,126.9,0,"ONLY",dm,3);
+ gMC->Gsposp("TPSR",nrod+19,"TDGS",xc,yc,-126.9,0,"ONLY",dm,3);
- // barrel part
+ dm[2]=126.6;
- dm[0] = 50.;
- dm[1] = 50.5;
- dm[2] = 32.25;
+ xc=254.25*TMath::Cos(angle);
+ yc=254.25*TMath::Sin(angle);
+
+ // rod number 54 contans the HV cable
- gMC->Gsvolu("TIVB","TUBE",idtmed[9],dm,3);
+ if(nrod<17) {
+ gMC->Gsposp("TPSR",nrod+37,"TDGS",xc,yc,127.,0,"ONLY",dm,3);
+ gMC->Gsposp("TPSR",nrod+54,"TDGS",xc,yc,-127.,0,"ONLY",dm,3);
+ }
+
+ }
- gMC->Gspos("TIVB",1,"TPVD",0.,0.,0.,0,"ONLY");
+ //----------------------------------------------------------
+ // Tpc High Voltage Rod - MAKROLON + Copper cable
+ //----------------------------------------------------------
- gMC->Gspos("TPVD",1,"ALIC",0.,0.,0.,0,"ONLY");
+ // rod with cable (Left)
-
+ dm[0]=0.;
+ dm[1]=2.25;
+ dm[2]=126.6;
-
+ gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
- // ---------------------------------------------------
- // volumes ordering
- // ---------------------------------------------------
- gMC->Gsord("TPSG", 6);
+ // HV cable
-} // end of function
+ dm[0]=0.;
+ dm[1]=0.3;
+ dm[2]=126.6;
+
+ gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
+
+ // empty space
+
+ dm[0]=0.3;
+ dm[1]=1.;
+ dm[2]=126.6;
+
+ gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
+
+ gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
+
+ // rod without cable
+
+ dm[0]=1.8;
+ dm[1]=2.25;
+ dm[2]=126.6;
+
+ gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
+
+ gMC->Gspos("THVL",1,"TDGS",xc,yc,-127.,0,"ONLY");
+ gMC->Gspos("THVR",1,"TDGS",xc,yc,127.,0,"ONLY");
+
+ gMC->Gspos("TDGS",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+ // services wheel cover -> wheel
+
+
+ gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
+ gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
+
+
+ // put the wheel into the TPC
+
+ gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
+ gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
+
+ //
+
+ gMC->Gsord("TPMW",6);
+ gMC->Gsord("TSSW",6);
+ gMC->Gsord("TSWC",6);
+
+ // put the TPC into ALIC (main mother volume)
+
+ gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
+} // end of function
//_____________________________________________________________________________
void AliTPCv3::DrawDetector()
{
//
- // Draw a shaded view of the Time Projection Chamber version 1
+ // Draw a shaded view of the Time Projection Chamber version 3
//
@@ -635,34 +1484,90 @@ void AliTPCv3::DrawDetector()
gMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
- gMC->Gsatt("TPC","SEEN",0);
- gMC->Gsatt("TGAS","SEEN",0);
- gMC->Gsatt("TPSG","SEEN",0);
- gMC->Gsatt("TPHV","SEEN",1);
- gMC->Gsatt("TPMH","SEEN",1);
- gMC->Gsatt("TPEC","SEEN",0);
- gMC->Gsatt("TRCS","SEEN",1);
- gMC->Gsatt("TRCL","SEEN",1);
- gMC->Gsatt("TPWL","SEEN",1);
- gMC->Gsatt("TPWI","SEEN",1);
- gMC->Gsatt("TPWS","SEEN",1);
- gMC->Gsatt("TPW1","SEEN",1);
- gMC->Gsatt("TPS1","SEEN",1);
- gMC->Gsatt("TPS2","SEEN",1);
- gMC->Gsatt("TPG1","SEEN",1);
- gMC->Gsatt("TPG2","SEEN",1);
- gMC->Gsatt("TPWC","SEEN",1);
- gMC->Gsatt("TPSI","SEEN",1);
- gMC->Gsatt("TPSO","SEEN",1);
- gMC->Gsatt("TPCO","SEEN",1);
- gMC->Gsatt("TPOV","SEEN",1);
- gMC->Gsatt("TPVD","SEEN",1);
+ //
+
+ gMC->Gsatt("TPC ","SEEN",0);
+ gMC->Gsatt("TOIN","SEEN",1);
+ gMC->Gsatt("TOIN","COLO",7);
+ gMC->Gsatt("TOCV","SEEN",1);
+ gMC->Gsatt("TOCV","COLO",4);
+ gMC->Gsatt("TSA1","SEEN",0);
+ gMC->Gsatt("TSA2","SEEN",0);
+ gMC->Gsatt("TSA3","SEEN",0);
+ gMC->Gsatt("TSA4","SEEN",0);
+ gMC->Gsatt("TSA5","SEEN",0);
+ gMC->Gsatt("TOFC","SEEN",1);
+ gMC->Gsatt("TOFC","COLO",4);
+ gMC->Gsatt("TSA6","SEEN",0);
+ gMC->Gsatt("TSA7","SEEN",0);
+ gMC->Gsatt("TSA8","SEEN",0);
+ gMC->Gsatt("TIIN","SEEN",1);
+ gMC->Gsatt("TIIN","COLO",7);
+ gMC->Gsatt("TII1","SEEN",0);
+ gMC->Gsatt("TIFC","SEEN",1);
+ gMC->Gsatt("TIFC","COLO",4);
+ gMC->Gsatt("TSA9","SEEN",0);
+ gMC->Gsatt("TS10","SEEN",0);
+ gMC->Gsatt("TS11","SEEN",0);
+ gMC->Gsatt("TS12","SEEN",0);
+ gMC->Gsatt("TS13","SEEN",0);
+ gMC->Gsatt("TS14","SEEN",0);
+ gMC->Gsatt("TICC","SEEN",0);
+ gMC->Gsatt("TICM","SEEN",0);
+ gMC->Gsatt("TS15","SEEN",0);
+ gMC->Gsatt("TS16","SEEN",0);
+ gMC->Gsatt("TS17","SEEN",0);
+ gMC->Gsatt("TS18","SEEN",0);
+ gMC->Gsatt("TS19","SEEN",0);
+ gMC->Gsatt("TPJ1","SEEN",0);
+ gMC->Gsatt("TPJ2","SEEN",0);
+ gMC->Gsatt("TICS","SEEN",0);
+ gMC->Gsatt("TDGS","SEEN",0);
+ gMC->Gsatt("TIRC","SEEN",0);
+ gMC->Gsatt("TIC1","SEEN",1);
+ gMC->Gsatt("TIPP","SEEN",0);
+ gMC->Gsatt("TIC3","SEEN",0);
+ gMC->Gsatt("TRCE","SEEN",0);
+ gMC->Gsatt("TPSC","SEEN",0);
+ gMC->Gsatt("TPCC","SEEN",0);
+ gMC->Gsatt("TORC","SEEN",0);
+ gMC->Gsatt("TOPP","SEEN",0);
+ gMC->Gsatt("TOC3","SEEN",0);
+ gMC->Gsatt("TOC1","SEEN",1);
+ gMC->Gsatt("TSSW","SEEN",1);
+ gMC->Gsatt("TSWC","SEEN",1);
+ gMC->Gsatt("TSSW","COLO",3);
+ gMC->Gsatt("TSWC","COLO",3);
+ gMC->Gsatt("TSCE","COLO",6);
+ gMC->Gsatt("TSCE","SEEN",1);
+ gMC->Gsatt("TWES","SEEN",0);
+ gMC->Gsatt("TSWB","SEEN",0);
+ gMC->Gsatt("TPEL","SEEN",0);
+ gMC->Gsatt("TPMW","SEEN",1);
+ gMC->Gsatt("TESR","SEEN",1);
+ gMC->Gsatt("TPMW","COLO",12);
+ gMC->Gsatt("TIC1","COLO",5);
+ gMC->Gsatt("TOC1","COLO",5);
+ gMC->Gsatt("TESB","SEEN",0);
+ gMC->Gsatt("THVM","SEEN",1);
+ gMC->Gsatt("THVM","COLO",11);
+ gMC->Gsatt("THVH","SEEN",0);
+ gMC->Gsatt("TPSR","SEEN",0);
+ gMC->Gsatt("THVL","SEEN",0);
+ gMC->Gsatt("THVC","SEEN",0);
+ gMC->Gsatt("THVE","SEEN",0);
+ gMC->Gsatt("THVR","SEEN",0);
+
//
gMC->Gdopt("hide", "on");
gMC->Gdopt("shad", "on");
gMC->Gsatt("*", "fill", 7);
gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
+ gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
+ gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
+ gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
+ gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
+ gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
gMC->DefaultRange();
gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
gMC->Gdhead(1111, "Time Projection Chamber");
@@ -678,9 +1583,6 @@ void AliTPCv3::CreateMaterials()
//
- //
- // Increase maximum number of steps
- gMC->SetMaxNStep(30000);
//
AliTPC::CreateMaterials();
}
@@ -691,18 +1593,22 @@ void AliTPCv3::Init()
//
// Initialises version 3 of the TPC after that it has been built
//
- Int_t *idtmed = fIdtmed->GetArray()-399;
+ Int_t *idtmed = fIdtmed->GetArray();
AliTPC::Init();
- fIdSens1=gMC->VolId("TGAS"); // drift gas as a sensitive volume
+ fIdSens=gMC->VolId("TDGS"); // drift gas as a sensitive volume
gMC->SetMaxNStep(30000); // max. number of steps increased
- gMC->Gstpar(idtmed[403],"LOSS",5);
+ gMC->Gstpar(idtmed[2],"LOSS",5);
+
+ printf("%s: *** TPC version 3 initialized***\n",ClassName());
- printf("*** TPC version 3 initialized ***\n");
- printf("Maximum number of steps = %d\n",gMC->GetMaxNStep());
+ printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep());
+
+ // printf("*** TPC version 3 initialized ***\n");
+ // printf("Maximum number of steps = %d\n",gMC->GetMaxNStep());
//
@@ -718,25 +1624,24 @@ void AliTPCv3::StepManager()
//
// parameters used for the energy loss calculations
//
- const Float_t prim = 14.35; // number of primary collisions per 1 cm
- const Float_t poti = 20.77e-9; // first ionization potential for Ne/CO2
- const Float_t w_ion = 35.97e-9; // energy for the ion-electron pair creation
+ const Float_t kprim = 14.35; // number of primary collisions per 1 cm
+ const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2
+ const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation
- const Float_t big = 1.e10;
+ const Float_t kbig = 1.e10;
Int_t id,copy;
TLorentzVector pos;
Float_t hits[4];
Int_t vol[2];
- TClonesArray &lhits = *fHits;
vol[1]=0;
vol[0]=0;
//
- gMC->SetMaxStep(big);
+ gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared
@@ -749,7 +1654,7 @@ void AliTPCv3::StepManager()
// Check the sensitive volume
- if (id != fIdSens1) return;
+ if (id != fIdSens) return;
//
// charged particle is in the sensitive volume
@@ -758,7 +1663,7 @@ void AliTPCv3::StepManager()
if(gMC->TrackStep() > 0) {
- Int_t nel = (Int_t)(((gMC->Edep())-poti)/w_ion) + 1;
+ Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
gMC->TrackPosition(pos);
@@ -776,7 +1681,7 @@ void AliTPCv3::StepManager()
// Add this hit
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change
}
@@ -786,22 +1691,21 @@ void AliTPCv3::StepManager()
TLorentzVector mom;
gMC->TrackMomentum(mom);
Float_t ptot=mom.Rho();
- Float_t beta_gamma = ptot/gMC->TrackMass();
+ Float_t betaGamma = ptot/gMC->TrackMass();
- if(gMC->IdFromPDG(gMC->TrackPid()) <= 3 && ptot > 0.002)
+ Int_t pid=gMC->TrackPid();
+ if((pid==kElectron || pid==kPositron) && ptot > 0.002)
{
- pp = prim*1.58; // electrons above 20 MeV/c are on the plateau!
+ pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
}
else
{
- pp=prim*BetheBloch(beta_gamma);
+ betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3);
+ pp=kprim*BetheBloch(betaGamma);
if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
- Float_t random[1];
- gMC->Rndm(random,1); // good, old GRNDM from Geant3
-
- Double_t rnd = (Double_t)random[0];
+ Double_t rnd = gMC->GetRandom()->Rndm();
gMC->SetMaxStep(-TMath::Log(rnd)/pp);
@@ -813,20 +1717,20 @@ Float_t AliTPCv3::BetheBloch(Float_t bg)
//
// Bethe-Bloch energy loss formula
//
- const Double_t p1=0.76176e-1;
- const Double_t p2=10.632;
- const Double_t p3=0.13279e-4;
- const Double_t p4=1.8631;
- const Double_t p5=1.9479;
+ const Double_t kp1=0.76176e-1;
+ const Double_t kp2=10.632;
+ const Double_t kp3=0.13279e-4;
+ const Double_t kp4=1.8631;
+ const Double_t kp5=1.9479;
Double_t dbg = (Double_t) bg;
Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
- Double_t aa = TMath::Power(beta,p4);
- Double_t bb = TMath::Power(1./dbg,p5);
+ Double_t aa = TMath::Power(beta,kp4);
+ Double_t bb = TMath::Power(1./dbg,kp5);
- bb=TMath::Log(p3+bb);
+ bb=TMath::Log(kp3+bb);
- return ((Float_t)((p2-aa-bb)*p1/aa));
+ return ((Float_t)((kp2-aa-bb)*kp1/aa));
}