X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TPC%2FAliTPCv2.cxx;h=841635d169ef64e57eadeadf4c4ba10c0ca57d15;hb=8e66035d17d81884466094036a6a297ea2ff35bc;hp=fd6db7c9790c91401d07cc4236d812228b76bd82;hpb=e94dd9cae60c804a61c3fc24cfbc91fe9b76ec96;p=u%2Fmrichter%2FAliRoot.git
diff --git a/TPC/AliTPCv2.cxx b/TPC/AliTPCv2.cxx
index fd6db7c9790..841635d169e 100644
--- a/TPC/AliTPCv2.cxx
+++ b/TPC/AliTPCv2.cxx
@@ -15,6 +15,82 @@
/*
$Log$
+Revision 1.39 2001/05/16 14:57:25 alibrary
+New files for folders and Stack
+
+Revision 1.38 2001/05/08 16:03:06 kowal2
+Geometry update according to the latest technical spec.
+
+Revision 1.37 2001/04/27 15:23:07 kowal2
+Correct materian in the central part of the inner containment vessel
+
+Revision 1.36 2001/04/26 06:15:12 kowal2
+Corrected bug in the inner containment vessel (cones)
+
+Revision 1.35 2001/04/24 11:17:33 kowal2
+New TPC geometry.
+
+Revision 1.34 2001/04/23 10:20:18 hristov
+Constant casted to avoid ambiguity
+
+Revision 1.33 2001/04/20 08:16:47 kowal2
+Protection against too small betaGamma. Thanks to Ivana and Yves.
+
+Revision 1.32 2001/03/13 13:07:34 kowal2
+Corrected bug in the TPC mother volume geometry.
+Thanks to A. Morsch
+
+Revision 1.31 2000/11/30 11:48:50 kowal2
+TLorentzVector.h adde to satisfy the latest changes by Federico
+
+Revision 1.30 2000/11/14 10:48:57 kowal2
+Correct material used for TSA4. Thanks to J. Barbosa.
+
+Revision 1.29 2000/11/06 17:24:10 kowal2
+Corrected bug in the outer containment vessel and
+the outer field cage geometry.
+Thanks to J. Barbosa.
+
+Revision 1.28 2000/11/02 16:55:24 kowal2
+Corrected bug in the inner containment vessel geometry.
+Thanks to J. Belikov
+
+Revision 1.27 2000/11/02 07:24:11 kowal2
+Correction in the TPC geometry.
+Changes due to the new hit structure.
+
+Revision 1.26 2000/10/05 16:16:29 kowal2
+Corrections of the hit recording algorithm.
+
+Revision 1.25 2000/10/02 21:28:18 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.24 2000/08/28 10:02:30 kowal2
+Corrected bug in the StepManager
+
+Revision 1.23 2000/07/10 20:57:39 hristov
+Update of TPC code and macros by M.Kowalski
+
+Revision 1.22 2000/06/30 12:07:50 kowal2
+Updated from the TPC-PreRelease branch
+
+Revision 1.21.2.4 2000/06/26 07:39:42 kowal2
+Changes to obey the coding rules
+
+Revision 1.21.2.3 2000/06/25 08:38:41 kowal2
+Splitted from AliTPCtracking
+
+Revision 1.21.2.2 2000/06/16 12:58:13 kowal2
+Changed parameter settings
+
+Revision 1.21.2.1 2000/06/09 07:15:07 kowal2
+
+Defaults loaded automatically (hard-wired)
+Optional parameters can be set via macro called in the constructor
+
+Revision 1.21 2000/05/15 10:00:30 kowal2
+Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
+
Revision 1.20 2000/04/17 09:37:33 kowal2
removed obsolete AliTPCDigitsDisplay.C
@@ -44,6 +120,7 @@ Introduction of the Copyright and cvs Log
*/
+//
///////////////////////////////////////////////////////////////////////////////
// //
// Time Projection Chamber version 2 -- detailed TPC and slow simulation //
@@ -63,8 +140,14 @@ Introduction of the Copyright and cvs Log
#include "AliTPCv2.h"
#include "AliTPCDigitsArray.h"
#include "AliRun.h"
+#include "AliMC.h"
#include "AliConst.h"
#include "AliPDG.h"
+#include "AliTPCParam.h"
+#include "AliTPCParamSR.h"
+#include "AliTPCTrackHitsV2.h"
+#include "TLorentzVector.h"
+
ClassImp(AliTPCv2)
@@ -75,9 +158,24 @@ AliTPCv2::AliTPCv2(const char *name, const char *title) :
//
// Standard constructor for Time Projection Chamber version 2
//
- fIdSens1=0;
- fIdSens2=0;
+ fIdSens=0;
+ fIdLSec=0;
+ fIdUSec=0;
+
SetBufferSize(128000);
+
+ SetGasMixt(2,20,10,-1,0.9,0.1,0.); // Ne-CO2 90-10
+
+ // Default sectors
+
+ SetSecAL(4);
+ SetSecAU(4);
+ SetSecLows(1, 2, 3, 19, 20, 21);
+ SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1);
+ SetSens(1); // sensitive strips set
+
+ if (fTPCParam)
+ fTPCParam->Write(fTPCParam->GetTitle());
}
//_____________________________________________________________________________
@@ -88,7 +186,7 @@ void AliTPCv2::CreateGeometry()
//
//Begin_Html
/*
- 
+ 
*/
//End_Html
//Begin_Html
@@ -100,12 +198,14 @@ void AliTPCv2::CreateGeometry()
Int_t *idtmed = fIdtmed->GetArray();
- Float_t dm[21];
+ Float_t dm[50];
Int_t idrotm[120];
Int_t nRotMat = 0;
- Int_t i,ifl1,ifl2;
+ Int_t i,ifl1=0;
+
+ // number of sectors
Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
@@ -119,815 +219,1558 @@ void AliTPCv2::CreateGeometry()
for (i = 0; i < 6; ++i) {
if (fSecLows[i] >= 0 && fSecLows[i] < 2*nInnerSector) {
ifl1 = 1;
- printf("*** SECTOR %d selected\n",fSecLows[i]);
+ printf("%s: *** SECTOR %d selected\n",ClassName(),fSecLows[i]);
}
}
} else {
- printf("*** ALL LOWER SECTORS SELECTED ***\n");
+ printf("%s: *** ALL LOWER SECTORS SELECTED ***\n",ClassName());
ifl1 = 1;
}
+ if (ifl1 == 0) {
+ printf("%s: *** ERROR: AT LEAST ONE LOWER SECTOR MUST BE SPECIFIED ***\n",ClassName());
+ printf("%s: !!! PROGRAM STOPPED !!!\n",ClassName());
+ exit(1);
+ }
+
if (fSecAU >= 0) {
- ifl2 = 0;
for (i = 0; i < 12; ++i) {
if (fSecUps[i] > 2*nInnerSector-1 &&
fSecUps[i] < 2*(nInnerSector+nOuterSector)) {
- ifl2 = 1;
- printf("*** SECTOR %d selected\n",fSecUps[i]);
+ printf("%s: *** SECTOR %d selected\n",ClassName(),fSecUps[i]);
}
}
} else {
- printf("*** ALL UPPER SECTORS SELECTED ***\n");
- ifl1 = 1;
+ printf("%s: *** ALL UPPER SECTORS SELECTED ***\n",ClassName());
}
- if (ifl1 == 0 && ifl2 == 0) {
- printf("*** ERROR: AT LEAST ONE SECTOR MUST BE SPECIFIED ***\n");
- printf("!!! PROGRAM STOPPED !!!\n");
- exit(1);
- }
+
+
+ //--------------------------------------------------------------------
+
+ //
+ // Mother volume TPC (Air) - all volumes will be positioned in it
+ //
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=8.;
+
+ //
+
+ dm[3]=-283.7;
+ dm[4]=65.6;
+ 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]=65.6;
+ dm[26]=278.;
- if ((fSecAL < 0 || fSecAU < 0) && fSens >= 0) {
- printf("** ERROR: STRIPS CANNOT BE SPECIFIED FOR ALL SECTORS **\n");
- printf("!!! PROGRAM STOPPED !!!\n");
- exit(1);
- }
+ 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;
- // ----------------------------------------------------
- // FIELD CAGE WITH ENDCAPS - G10
- // THIS IS ALSO A TPC MOTHER VOLUME
- // ----------------------------------------------------
+ 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]=275.5;
+
+ //
+
+ dm[18]=253.6;
+ dm[19]=258.;
+ dm[20]=275.5;
+
+ 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);
+
+ // Tpc Sandwich 17 - Tedlar
+
+ dm[0] += 0.01;
+ dm[1] -= 0.01;
+
+ gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
+
+ // 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");
+
+
+ // 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");
+
+ //
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=4.;
+
+ //
+
+ dm[3]=70.8;
+ dm[4]=58.4;
+ dm[5]=60.1;
+
+ //
+
+ dm[6]=71.2;
+ dm[7]=58.4;
+ dm[8]=60.1;
+
+ //
+
+ dm[9]=71.2;
+ dm[10]=58.4;
+ dm[11]=59.4;
+
+ //
+
+ dm[12]=71.6;
+ dm[13]=58.4;
+ dm[14]=59.4;
+
+ 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");
+
+
+
+ // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being)
+
+ dm[0]=58.4;
+ dm[1]=61.2;
+ dm[2]=0.1;
+
+ gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3);
+
+ gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY");
+ gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY");
+
+ // TICM -> TPC
+
+ gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+ //
+
+ nRotMat++; // prepare for the next rotation matrix
+
+ //---------------------------------------------------------
+ // 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("TDGN","TUBE",idtmed[1],dm,3);
+
+ // sector opening angles
+
+ Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
+ Float_t outerOpenAngle = fTPCParam->GetOuterAngle();
+
+ // sector angle shift
+
+ Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
+
+
+ // All above parameters are identical for inner and outer
+ // sectors. The distinction is kept for the historical reasons
+ // and eventually will disappear.
+
+ Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
+ Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
+ Float_t space;
- dm[0] = 76.;
- dm[1] = 278.;
- dm[2] = 275.;
+ //-------------------------------------------------------------------------
+ // Tpc Inner Readout Chambers
+ //-------------------------------------------------------------------------
- gMC->Gsvolu("TPC ", "TUBE", idtmed[8], dm, 3);
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 1.6; // thickness
+ dm[3]= 25.1;
- //-----------------------------------------------------
- // Endcap cover c-fibre 0.86% X0
- //-----------------------------------------------------
+ gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.95;
+ // this volume will be positioned in the empty space
+ // of the end-cap to avoid overlaps
- gMC->Gsvolu("TPEC","TUBE",idtmed[10],dm,3);
+ dm[0]= 13.7305;
+ dm[1]= 21.1895;
+ dm[2]= 2.25;
+ dm[3]= 21.15;
- //-----------------------------------------------------
- // Drift gas , leave 2 cm at the outer radius
- // and inner raddius
- //-----------------------------------------------------
+ gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 250.;
- gMC->Gsvolu("TGAS", "TUBE", idtmed[3], dm, 3);
+ //------------------------------------------------
+ // Tpc Inner readout chamber Pad Plane
+ //------------------------------------------------
- //------------------------------------------------------
- // membrane holder - carbon fiber
- //------------------------------------------------------
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 0.5;
+ dm[3]= 25.1;
+ gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
- gMC->Gsvolu("TPMH","TUBE",idtmed[6],dm,0);
+ //
- dm[0] = 252.;
- dm[1] = 258.;
- dm[2] = 0.2;
+ dm[0] -= 1.218511934;
+ dm[1] -= 1.218511934;
+ dm[2] = 0.35;
- gMC->Gsposp("TPMH",1,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
-
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 0.1;
+ gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
- gMC->Gsposp("TPMH",2,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
+ gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
- //----------------------------------------------------------
- // HV membrane - 25 microns of mylar
- //----------------------------------------------------------
+ gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
- dm[0] = 82.;
- dm[1] = 252.;
- dm[2] = 0.00125;
- gMC->Gsvolu("TPHV","TUBE",idtmed[5],dm,3);
+ //----------------------------------------------
+ // Tpc Readout Chambers Empty spaces - for both
+ // inner and outer sectors
+ //----------------------------------------------
- gMC->Gspos("TPHV",1,"TGAS",0.,0.,0.,0,"ONLY");
+ gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
- gMC->Gspos("TGAS",1,"TPC ",0.,0.,0.,0,"ONLY");
+ // Inner sector - 4 spaces
- //----------------------------------------------------------
- // "side" gas volume, the same as the drift gas
- // the readout chambers are placed there.
- //----------------------------------------------------------
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.5*(275. - 250.);
-
- gMC->Gsvolu("TPSG", "TUBE", idtmed[2], dm, 3);
+ dm[3] = 4.7625;
+ dm[0] = 12.472;
- Float_t z_side = dm[2]; // 1/2 of the side gas thickness
+ Float_t rr = 90.52;
+ Float_t zz;
- //------------------------------------------------------------
- // Readout chambers , 25% of X0, I use Al as the material
- //------------------------------------------------------------
+ zz= -12.7875;
+
+ space = rr*tanAlpha-dm[0];
- Float_t InnerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t OuterOpenAngle = fTPCParam->GetOuterAngle();
+ for(Int_t nsLow=0;nsLow<4;nsLow++){
- Float_t InnerAngleShift = fTPCParam->GetInnerAngleShift();
- Float_t OuterAngleShift = fTPCParam->GetOuterAngleShift();
+ rr += 9.525;
+ dm[1]= rr*tanAlpha - space;
- Float_t InSecLowEdge = fTPCParam->GetInnerRadiusLow();
- Float_t InSecUpEdge = fTPCParam->GetInnerRadiusUp();
+ dm[2]=0.8;
- Float_t OuSecLowEdge = fTPCParam->GetOuterRadiusLow();
- Float_t OuSecUpEdge = fTPCParam->GetOuterRadiusUp();
+ gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
+ //
- Float_t SecThick = 2.225; // Al
+ dm[2] = 1.2;
- Float_t LowEdge = fTPCParam->GetInnerFrameSpace();
+ gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
- // S (Inner) sectors
+ rr += 0.4;
+ dm[0] = rr*tanAlpha - space;
+ zz += (0.4+9.525);
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge;
- dm[2] = 0.5*SecThick;
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
+ }
- Float_t xCenterS = InSecLowEdge+dm[3];
+ dm[0]= 12.472;
+ // dm[1] - this is the dm[1] from the previous TRCE
+ dm[2]= 1.05;
+ dm[3]= 19.65;
- gMC->Gsvolu("TRCS", "TRD1", idtmed[0], dm, 4);
+ gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
- // L (Outer) sectors
+ //
+ // TPc Space for Connectors
+ //
- Float_t UpEdge = fTPCParam->GetOuterFrameSpace();
+ dm[0]= .3;
+ dm[1]= .3;
+ dm[2]= 4.5;
- dm[0] = OuSecLowEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge;
- dm[1] = OuSecUpEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge;
- dm[2] = 0.5*SecThick;
- dm[3] = 0.5*(OuSecUpEdge-OuSecLowEdge);
+ gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
- Float_t xCenterL = OuSecLowEdge+dm[3];
+ // TPC Connectors
- gMC->Gsvolu("TRCL", "TRD1", idtmed[0], dm, 4);
+ dm[0]= .25;
+ dm[1]= .15;
+ dm[2]= 3.75;
- Float_t z1 = -z_side + SecThick*0.5;
+ gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
- //------------------------------------------------------------------
- // S sectors - "gas sectors" (TRD1)
- //------------------------------------------------------------------
+ gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-0.01;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-0.01;
- dm[2] = 0.5*(250. - 0.001);
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
+ zz = -12.7875;
- gMC->Gsvolu("TSGA", "TRD1", idtmed[4], dm, 4); // sensitive
- // -------------------------------------------------------------
- // Only for the debugging purpose and resolution calculation
- // Sensitive strips at the pad-row center
- // -------------------------------------------------------------
+ Float_t alpha;
+ Float_t astep;
- Int_t ns;
+ // inner part of the inner sector - 2 x 20 holes
+
+ astep = 20.00096874/19.;
- if(fSens>=0){
+ alpha = 10.00048437-astep;
- Float_t r1,r2,zz;
+ Float_t x1,x2;
- Float_t StripThick = 0.01; // 100 microns
- Float_t dead;
+ x1 = 13.31175725;
+ x1 -= 0.996357832;
- gMC->Gsvolu("TSST", "TRD1", idtmed[4], dm, 0);
+ x2 = 15.06180253;
+ x2 -= 1.163028812;
- dm[2] = 0.5*(250. - 0.002);
- dm[3] = 0.5 * StripThick;
+ Int_t ncon;
- dead= fTPCParam->GetInnerWireMount();
+ for(ncon=0;ncon<20;ncon++){
+ phi1 = 0.;
+ theta1 = 90.+alpha;
+ phi2=90.;
+ theta2 = 90.;
+ phi3 = (alpha>0) ? 0. : 180.;
+ theta3 = TMath::Abs(alpha);
- for (ns = 0; ns < fTPCParam->GetNRowLow(); ns++) {
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- r1 = fTPCParam->GetPadRowRadiiLow(ns);
- r2 = r1 + StripThick;
- dm[0] = r1 * TMath::Tan(0.5*InnerOpenAngle) - dead;
- dm[1] = r2 * TMath::Tan(0.5*InnerOpenAngle) - dead;
+
- zz = -InSecLowEdge -0.5*(InSecUpEdge-InSecLowEdge);
- zz += r1;
- zz += dm[3];
+ 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");
- gMC->Gsposp("TSST", ns+1, "TSGA", 0., 0., zz, 0, "ONLY", dm, 4);
-
- }
+ x1 -= 1.296357833;
+ x2 -= 1.463028812;
- gMC->Gsord("TSGA", 3);
-
- } // if strips selected
+ alpha -= astep;
+ nRotMat++;
-
- //-----------------------------------------------------------------
- // L sectors - "gas sectors" (PGON to avoid overlaps)
- //-----------------------------------------------------------------
+ }
- dm[0] = 360.*kDegrad - 0.5*OuterOpenAngle;
- dm[0] *= kRaddeg;
- dm[0] = (Float_t)TMath::Nint(dm[0]);
+ // outer part of the inner sector - 2 x 25 holes
- dm[1] = OuterOpenAngle*kRaddeg;
- dm[1] = (Float_t)TMath::Nint(dm[1]);
+ astep = 20.00096874/24.;
+ alpha = 10.00048437-astep;
- dm[2] = 1.;
- dm[3] = 4.;
+ x1 = 16.81184781;
+ x1 -= 1.016295986;
- dm[4] = 0.002;
- dm[5] = OuSecLowEdge;
- dm[6] = 252.*TMath::Cos(0.5*OuterOpenAngle)-0.002;
+ x2 = 18.5618931;
+ x2 -= 1.150914854;
- dm[7] = dm[4]+0.2;
- dm[8] = dm[5];
- dm[9] = dm[6];
+ for(ncon=0;ncon<25;ncon++){
- dm[10] = dm[7];
- dm[11] = OuSecLowEdge;
- dm[12] = OuSecUpEdge;
+ phi1 = 0.;
+ theta1 = 90.+alpha;
+ phi2=90.;
+ theta2 = 90.;
+ phi3 = (alpha>0) ? 0. : 180.;
+ theta3 = TMath::Abs(alpha);
- dm[13] = 250.;
- dm[14] = dm[11];
- dm[15] = dm[12];
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gsvolu("TLGA","PGON",idtmed[4],dm,16);
+
- if (fSens >= 0) {
-
- Float_t rmax = dm[6];
- Float_t r1,r2;
- Float_t dead = fTPCParam->GetOuterWireMount();
+ 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");
- Float_t StripThick = 0.01; // 100 microns
- gMC->Gsvolu("TLST", "PGON", idtmed[4], dm, 0);
+ x1 -= 1.316295986;
+ x2 -= 1.450914854;
- dm[0] = 360.*kDegrad - 0.5*OuterOpenAngle;
- dm[0] *= kRaddeg;
- dm[0] = (Float_t)TMath::Nint(dm[0]);
+ alpha -= astep;
+ nRotMat++;
- dm[1] = OuterOpenAngle*kRaddeg;
- dm[1] = (Float_t)TMath::Nint(dm[1]);
+ }
- dm[2] = 1.;
- dm[3] = 2.;
+ //--------------------------------------------------------------------------
+ // TPC Outer Readout Chambers
+ // this is NOT a final design
+ //--------------------------------------------------------------------------
- dm[7] = 250.;
+ dm[0]= 23.3875;
+ dm[1]= 43.524;
+ dm[2]= 1.5; //thickness
+ dm[3]= 57.1;
- Float_t xx = dead/TMath::Tan(0.5*OuterOpenAngle);
+ gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
- for(ns=0;nsGetNRowUp();ns++){
+ //------------------------------------------------
+ // Tpc Outer readout chamber Pad Plane
+ //------------------------------------------------
- r1 = fTPCParam->GetPadRowRadiiUp(ns)-xx;
- r2 = r1 + StripThick;
+ dm[2]= 0.5;
- dm[5] = r1;
- dm[6] = r2;
+ gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
- dm[8] = r1;
- dm[9] = r2;
+ dm[0] -= 1.218511934;
+ dm[1] -= 1.218511934;
+ dm[2] = 0.35;
- if(r2+xx < rmax){
- dm[4] = 0.002;
- }
- else{
- dm[4] = 0.202;
- }
+ gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
- gMC->Gsposp("TLST",ns+1,"TLGA",xx,0.,0.,0,"ONLY",dm,10);
+ gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
- }
+ gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
- gMC->Gsord("TLGA", 4);
+ // empty space
- } // if strips selected
+ dm[0]= 21.035;
+ dm[1]= 38.7205;
+ dm[2]= 0.7;
+ dm[3]= 50.15;
- //------------------------------------------------------------------
- // Positioning of the S-sector readout chambers
- //------------------------------------------------------------------
+ gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
- Float_t zs = 0.5*(250.+0.002);
+ dm[0]= 22.2935;
+ dm[1]= 40.5085;
+ dm[2]= 2.25;
+ dm[3]= 51.65;
- Float_t theta1,theta2,theta3;
- Float_t phi1,phi2,phi3;
- Float_t alpha;
- Float_t x,y;
+ gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
- for(ns=0;nsGsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * InnerOpenAngle + InnerAngleShift;
- phi3 *= kRaddeg; // in degrees
+ //-----------------------------------------------
+ // Tpc Services Support Wheel
+ //-----------------------------------------------
- phi3 = (Float_t)TMath::Nint(phi3);
-
- if(phi3 > 360.) phi3 -= 360.;
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=18.;
+ dm[3]=2.;
- theta3 = 90.;
+ dm[4]= -5.;
+ dm[5]= 77.017;
+ dm[6]= 255.267;
- alpha = phi3*kDegrad;
+ dm[7]= 5.;
+ dm[8]= dm[5];
+ dm[9]= dm[6];
- 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");
+ gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
- if(fSecAL < 0){
+ // Tpc Services Wheel Cover
- //---------------------------------------------------------------
- // position all sectors
- //---------------------------------------------------------------
+ dm[4]= -0.5;
+ dm[7]= 0.5;
- gMC->Gspos("TSGA",ns+1,"TGAS",x,y,zs,idrotm[nRotMat], "ONLY");
- gMC->Gspos("TSGA",ns+1+nInnerSector,"TGAS",x,y,-zs,idrotm[nRotMat], "ONLY");
- }
+ gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
- else{
+ // Tpc Service wheel Cover Empty space
+
+ dm[0]= 10.99;
+ dm[1]= 39.599;
+ dm[2]= .5;
+ dm[3]= 81.125;
- //---------------------------------------------------------------
- // position selected sectors
- //---------------------------------------------------------------
+ gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
- for(Int_t sel=0;sel<6;sel++){
+ // Tpc services Wheel Empty Spaces
- if(fSecLows[sel] == ns){
- gMC->Gspos("TSGA", ns+1, "TGAS", x, y, zs, idrotm[nRotMat], "ONLY");
- }
- else if(fSecLows[sel] == ns+nInnerSector){
- gMC->
- Gspos("TSGA",ns+1+nInnerSector,"TGAS", x, y,-zs,idrotm[nRotMat],"ONLY");
- }
- }
- }
+ dm[0]= 13.18017507;
+ dm[1]= 44.61045938;
+ dm[2]= 4.;
+ dm[3]= 89.125;
- nRotMat++;
+ gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
- }
-
- //-------------------------------------------------------------------
- // Positioning of the L-sectors readout chambers
- //-------------------------------------------------------------------
-
- for(ns=0;nsGsvolu("TSWB","TRD1",idtmed[4],dm,0);
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * OuterOpenAngle+OuterAngleShift;
- phi3 *= kRaddeg; // in degrees
+ // bars-> TWES
- phi3 = (Float_t)TMath::Nint(phi3);
+ dm[2]= 4.;
+ dm[3]= .4;
-
- if(phi3 > 360.) phi3 -= 360.;
+ dm[0]= 13.8149522;
+ dm[1]= 13.95601379;
+
+ gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
- theta3 = 90.;
+ dm[0]= 43.83462067;
+ dm[1]= 43.97568225;
- alpha = phi3*kDegrad;
+ gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
- x = xCenterL * TMath::Cos(alpha);
- y = xCenterL * TMath::Sin(alpha);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
+ // TPc ELectronics - right now 30% X0 Si
- gMC->Gspos("TRCL", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
+ dm[0]= 14.03813696;
+ dm[1]= 43.3524075;
+ dm[2]= 1.404;
+ dm[3]= 83.125;
- nRotMat++;
+ gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
+ gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
- }
+ //--------------------------------------------------------------------------
+ // End caps
+ //--------------------------------------------------------------------------
- //-------------------------------------------------------------------
- // Positioning of the L-sectors (gas sectors)
- //-------------------------------------------------------------------
+ // TPc Main Wheel - Al
- for(ns=0;ns360.) phi1 -= 360.;
+ gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
- theta1 = 90.;
+ //--------------------------------------------------------------------------
+ // Tpc Empty Space for the Readout chambers
+ //--------------------------------------------------------------------------
- phi2 = 90. + phi1;
- if(phi2>360.) phi2 -= 360.;
+ Float_t rLow= 86.2;
+ Float_t rUp= 243.5;
+ Float_t dR = 0.5*(rUp-rLow);
- theta2 = 90.;
+ space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide
- phi3 = 0.;
- theta3 = 0.;
+ dm[0]= rLow*tanAlpha-space;
+ dm[1]= rUp*tanAlpha-space;
+ dm[2] = 3.0;
+ dm[3]= dR;
- if(fSecAU < 0) {
+ gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
- //--------------------------------------------------------------
- // position all sectors
- //--------------------------------------------------------------
+ // TIC1->TESR
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
+ gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
- gMC->Gspos("TLGA",ns+1,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
+ // TOC1->TESR
- nRotMat++;
-
- // reflection !!
+ gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
- phi3 = 0.;
- theta3 = 180.;
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TLGA",ns+1+nOuterSector,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
- }
+ // Tpc Empty Space Bars - Al (daughters of TESR)
- else{
+ Float_t zBar;
- //---------------------------------------------------------------
- // position selected sectors
- //---------------------------------------------------------------
+ gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
- for(Int_t sel=0;sel<12;sel++){
+ // lower bar
- if(fSecUps[sel] == ns+2*nInnerSector){
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gspos("TLGA",ns+1,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
- nRotMat++;
+ dm[0]= rLow*tanAlpha-space;
+ dm[1]= 88.7*tanAlpha-space;
+ dm[2]= 2.25;
+ dm[3]= 1.275;
- }
- else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){
+ zBar = -dR+dm[3];
- // reflection
+ gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
- phi3 = 0.;
- theta3 = 180.;
+ // middle bar
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->
- Gspos("TLGA",ns+1+nOuterSector,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
- nRotMat++;
+ dm[0]= 131.65*tanAlpha-space;
+ dm[1]= 136.5*tanAlpha-space;
+ dm[3]= 2.425;
- }
+ zBar = -dR +131.65+dm[3]-rLow;
- }
+ gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
- }
+ // upper bar
- }
-
- Float_t z0 = z_side - 0.95;
+ dm[0]= 240.4*tanAlpha-space;
+ dm[1]= rUp*tanAlpha-space;
+ dm[3]= 1.55;
- gMC->Gspos("TPEC",1,"TPSG",0.,0.,z0,0,"ONLY");
+ zBar = dR-dm[3];
- // ==========================================================
- // wheels
- // ==========================================================
+ gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
- //
- // auxilary structures
- //
+ //------------------------------------------------------
+ // TPc Lower "S" Sectors
+ //------------------------------------------------------
- gMC->Gsvolu("TPWI","TUBE",idtmed[24],dm,0); // "air"
+ Float_t inSecLowEdge = fTPCParam->GetInnerRadiusLow();
+ Float_t inSecUpEdge = fTPCParam->GetInnerRadiusUp();
- // ----------------------------------------------------------
- // Large wheel -> positioned in the TPC
- // ----------------------------------------------------------
-
+ dm[0] = inSecLowEdge*TMath::Tan(0.5*innerOpenAngle)-0.01;
+ dm[1] = inSecUpEdge*TMath::Tan(0.5*innerOpenAngle)-0.01;
+ dm[2] = 0.5*(250. - 5.e-3);
+ dm[3] = 0.5*(inSecUpEdge-inSecLowEdge);
- z0 = 263.5; // TPC length - 1/2 spoke wheel width
+ gMC->Gsvolu("TPLS", "TRD1", idtmed[2], dm, 4); // sensitive
- dm[0] = 258.;
- dm[1] = 278.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPWL", "TUBE", idtmed[0], dm, 3);
- dm[0] = dm[0]+2.;
- dm[1] = 278.;
- dm[2] = dm[2]-2.;
+ //----------------------------------------------------------
+ // TPc Upper Sectors
+ //----------------------------------------------------------
- gMC->Gsposp("TPWI",1,"TPWL",0.,0.,0.,0,"ONLY",dm,3);
+ Float_t ouSecLowEdge = fTPCParam->GetOuterRadiusLow();
+ Float_t ouSecUpEdge = fTPCParam->GetOuterRadiusUp();
- gMC->Gspos("TPWL", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPWL", 2, "TPC ", 0, 0, -z0, 0, "ONLY");
+ dm[0] = ouSecLowEdge*TMath::Tan(0.5*outerOpenAngle)-0.01;
+ dm[1] = ouSecUpEdge*TMath::Tan(0.5*outerOpenAngle)-0.01;
+ dm[2] = 0.5*(250. - 5.e-3);
+ dm[3] = 0.5*(ouSecUpEdge-ouSecLowEdge);
- //
- // Outer vessel + CO2 HV degrader
- //
+ gMC->Gsvolu("TPUS", "TRD1", idtmed[2], dm, 4); // sensitive
- dm[0] = 260.;
- dm[1] = 278.;
- dm[2] = 252.;
- gMC->Gsvolu("TPCO","TUBE",idtmed[12],dm,3);
- dm[0] = 275.;
- dm[1] = 278.;
-
- gMC->Gsvolu("TPOV","TUBE",idtmed[10],dm,3);
+ // sensitive strips
- gMC->Gspos("TPOV",1,"TPCO",0.,0.,0.,0,"ONLY");
+ gMC->Gsvolu("TPSS","TRD1",idtmed[2],dm,0); // sensitive
+ Int_t nofStrips,nstr;
+ Float_t r1,r2,zs;
+ Float_t stripThick = 0.01; // 100 microns
+ Float_t deadSpace;
+ // inner sector
- gMC->Gspos("TPCO",1,"TPC ",0.,0.,0.,0,"ONLY");
+ // if all lower sectors selected define only 1 strip
+
+ nofStrips=((fSecAL <0)||(fSecAL>=0 && fSens<0)) ? 1 : fTPCParam->GetNRowLow();
+ deadSpace = fTPCParam->GetInnerWireMount();
+
+ dm[2] = 0.5*(250. - 5.e-3);
+ dm[3] = 0.5 * stripThick;
+
+ for(nstr=0;nstrGetPadRowRadiiLow(nstr);
+ r2 = r1 + stripThick;
+ dm[0] = r1 * TMath::Tan(0.5*innerOpenAngle) - deadSpace;
+ dm[1] = r2 * TMath::Tan(0.5*innerOpenAngle) - deadSpace;
+ zs = -inSecLowEdge -0.5*(inSecUpEdge-inSecLowEdge);
+ zs += r1;
+ zs += dm[3];
+
+ gMC->Gsposp("TPSS", nstr+1, "TPLS", 0., 0., zs, 0, "ONLY", dm, 4);
- //----------------------------------------------------------
- // Small wheel -> positioned in "side gas
- //----------------------------------------------------------
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 11.5;
+ }
+
+ // strips only if several upper sectors selected end fSens > 0
+
+ if(fSecAU >=0 && fSens >0){
+
+ Int_t nsSave = nofStrips;
- gMC->Gsvolu("TPWS", "TUBE", idtmed[0], dm, 3);
+ // outer sector
- dm[0] = 78.;
- dm[1] = dm[1]-2;
- dm[2] = dm[2]-2.;
+ nofStrips = fTPCParam->GetNRowUp();
+ deadSpace = fTPCParam->GetOuterWireMount();
+
+ dm[2] = 0.5*(250. - 5.e-3);
+ dm[3] = 0.5 * stripThick;
- gMC->Gsvolu("TPW1", "TUBE", idtmed[2], dm, 3);
- gMC->Gspos("TPW1", 1, "TPWS", 0., 0., 0., 0, "ONLY");
+ for(nstr=0;nstrGetPadRowRadiiUp(nstr);
+ r2 = r1 + stripThick;
+ dm[0] = r1 * TMath::Tan(0.5*outerOpenAngle) - deadSpace;
+ dm[1] = r2 * TMath::Tan(0.5*outerOpenAngle) - deadSpace;
+ zs = -ouSecLowEdge -0.5*(ouSecUpEdge-ouSecLowEdge);
+ zs += r1;
+ zs += dm[3];
- z0 = 1.; // spoke wheel is shifted w.r.t. center of the "side gas"
+ gMC->Gsposp("TPSS", nstr+1+nsSave, "TPUS", 0., 0., zs, 0, "ONLY", dm, 4);
- gMC->Gspos("TPWS", 1, "TPSG", 0, 0, z0, 0, "ONLY");
+ }
+ }
- // to avoid overlaps
+ //-------------------------------------------------------
+ // positioning of the empty spaces into the main wheel
+ // and readout chambers and sectors into the drift gas
+ //-------------------------------------------------------
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 11.5;
+ Float_t rCenter,xc,yc;
+ Float_t rInner,rOuter; // center of the inner and outer chamber
- gMC->Gsvolu("TPS1","TUBE",idtmed[0],dm,3);
+ rCenter = rLow+dR;
- dm[2] = 9.5;
+ rInner = 108.07;
+ rOuter = 190.68;
- gMC->Gsvolu("TPS2","TUBE",idtmed[24],dm,3);
- gMC->Gspos("TPS2",1,"TPS1",0.,0.,0.,0,"ONLY");
+ for(Int_t ns=0; nsGspos("TPS1",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPS1",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ phi1 = ns * innerOpenAngle + innerAngleShift;
+ phi1 *= kRaddeg; // in degrees
- // G10 plug
+ phi1 = (Float_t)TMath::Nint(phi1) + 270.;
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 1.;
+ if (phi1 > 360.) phi1 -= 360.;
- gMC->Gsvolu("TPG2","TUBE",idtmed[8],dm,3);
+ theta1 = 90.;
+ phi2 = 90.;
+ theta2 = 180.;
+ phi3 = ns * innerOpenAngle + innerAngleShift;
+ phi3 *= kRaddeg; // in degrees
- z0 = 251.;
+ phi3 = (Float_t)TMath::Nint(phi3);
+
+ if(phi3 > 360.) phi3 -= 360.;
- gMC->Gspos("TPG2",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPG2",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ theta3 = 90.;
+ // "holes"->End plate
- //---------------------------------------------------------
- // central wheel 6 (radial direction) x 4 (along z) cm2
- //---------------------------------------------------------
+ xc = rCenter*TMath::Cos(phi3*kDegrad);
+ yc = rCenter*TMath::Sin(phi3*kDegrad);
- dm[0] = 140.;
- dm[1] = 146.;
- dm[2] = 2.;
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gsvolu("TPWC","TUBE",idtmed[0],dm,3);
+ gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
- dm[0] = dm[0] + 2.;
- dm[1] = dm[1] - 2.;
- dm[2] = dm[2] - 1.;
+ // TSCE->TSWC (services wheel volumes)
- gMC->Gsposp("TPWI",2,"TPWC",0.,0.,0.,0,"ONLY",dm,3);
+ xc = 166.142*TMath::Cos(phi3*kDegrad);
+ yc = 166.142*TMath::Sin(phi3*kDegrad);
- z0 = z_side - 1.9 - 2.;
+ 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("TPWC",1,"TPSG",0.,0.,z0,0,"ONLY");
- //
+ // readout chambers->TDGN (drift gas)
- gMC->Gsvolu("TPSE","BOX ",idtmed[24],dm,0); // "empty" part of the spoke
+ xc = rInner*TMath::Cos(phi3*kDegrad);
+ yc = rInner*TMath::Sin(phi3*kDegrad);
-
- //---------------------------------------------------------
- // inner spokes (nSectorInner)
- //---------------------------------------------------------
+ gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
- dm[0] = 0.5*(139.9-82.1);
- dm[1] = 3.;
- dm[2] = 2.;
+ // here lower sectors
- Float_t x1 = dm[0]+82.;
+ if(fSecAL <0){
- gMC->Gsvolu("TPSI","BOX",idtmed[0],dm,3);
+ // all lower sectors are positioned
- dm[1] = dm[1]-1.;
- dm[2] = dm[2]-1.;
+ gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
+ gMC->
+ Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
+ }
+ else{
+
+ // only selected sectors are positioned (up to 6 sectors)
+
+ for(Int_t sel=0;sel<6;sel++){
- gMC->Gsposp("TPSE",1,"TPSI",0.,0.,0.,0,"ONLY",dm,3);
+ if(fSecLows[sel] == ns){
+ gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
+ }
+ else if(fSecLows[sel] == ns+nInnerSector){
+ gMC->
+ Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
+ }
+ }
+ } // lower sectors finished
- for(ns=0;nsGspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
- phi1 = (Float_t)TMath::Nint(phi1);
- if(phi1>360.) phi1 -= 360.;
+ // here upper sectors
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ if(fSecAU <0){
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ // all upper sectors
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
+ gMC->
+ Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
+ }
+ else{
- gMC->Gspos("TPSI",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
+ // only selected sectors (up to 12)
- nRotMat++;
+ for(Int_t sel=0;sel<12;sel++){
+ if(fSecUps[sel] == ns+2*nInnerSector){
+ gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
+ }
+ else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){
+ gMC->
+ Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
+ }
+ }
+ } // upper sectors finished
- }
- //-------------------------------------------------------------
- // outer spokes (nSectorOuter)
- //-------------------------------------------------------------
+ nRotMat++;
- dm[0] = 0.5*(257.9-146.1);
- dm[1] = 3.;
- dm[2] = 2.;
+ theta2 = 0.; // reflection
- x1 = dm[0] + 146.;
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gsvolu("TPSO","BOX ",idtmed[0],dm,3);
+ xc = rInner*TMath::Cos(phi3*kDegrad);
+ yc = rInner*TMath::Sin(phi3*kDegrad);
- dm[1] = dm[1] - 1.;
- dm[2] = dm[2] - 1.;
+ gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
- gMC->Gsposp("TPSE",2,"TPSO",0.,0.,0.,0,"ONLY",dm,3);
+ xc = rOuter*TMath::Cos(phi3*kDegrad);
+ yc = rOuter*TMath::Sin(phi3*kDegrad);
- for(ns=0;nsGspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
- phi1 = 0.5*OuterOpenAngle + ns*OuterOpenAngle + OuterAngleShift;
- theta1=90.;
- phi1 *=kRaddeg;
+ nRotMat++;
- phi1 = (Float_t)TMath::Nint(phi1);
- if(phi1>360.) phi1 -= 360.;
+ }
+ // TPMW->TPC
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
+ gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY");
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ //---------------------------------------------------------
+ // Tpc High Voltage Membrane - 100 microns of mylar
+ //---------------------------------------------------------
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ dm[0]=82.8;
+ dm[1]=252.;
+ dm[2]=0.005;
- gMC->Gspos("TPSO",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
+ gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3);
- nRotMat++;
+ gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
- }
-
+ // Tpc High Voltage membrane Holders
-
- // --------------------------------------------------------
- // put the readout chambers into the TPC
- // --------------------------------------------------------
+ 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] = 0.;
- dm[1] = 360.;
- dm[2] = 4.;
+ dm[0]=79.3;
+ dm[1]=82.8;
+ dm[2]=0.2;
+
+ gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
- dm[3] = -250.;
- dm[4] = 74.4;
- dm[5] = 76.;
+ // outer
+
+ dm[0]= 252.;
+ dm[1]= 257.9;
+ dm[2]= 0.4;
+
+ gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
+
+ //----------------------------------------------------------
+ // TPc Support Rods - MAKROLON
+ //----------------------------------------------------------
+
+ dm[0]= 0.9;
+ dm[1]= 1.2;
+
+ gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ
- dm[6] = -64.5;
- dm[7] = 50.;
- dm[8] = 76.;
- dm[9] = 64.5;
- dm[10] = 50.;
- dm[11] = 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);
+
+ dm[2]=126.7;
+
+ gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3);
+ gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3);
+
+ dm[2]=126.6;
+
+ xc=254.25*TMath::Cos(angle);
+ yc=254.25*TMath::Sin(angle);
+
+ // rod number 54 contans the HV cable
+
+ if(nrod<17) {
+ gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3);
+ gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3);
+ }
+
+ }
- dm[12] = 250.;
- dm[13] = 74.4;
- dm[14] = 76.;
+ //----------------------------------------------------------
+ // Tpc High Voltage Rod - MAKROLON + Copper cable
+ //----------------------------------------------------------
- gMC->Gsvolu("TPVD", "PCON", idtmed[12], dm, 15); // CO2
+ // rod with cable (Left)
- // cone parts
+ dm[0]=0.;
+ dm[1]=2.25;
+ dm[2]=126.6;
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 2.;
+ gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
- dm[3] = 64.5;
- dm[4] = 50.;
- dm[5] = 51.6;
+ // HV cable
- dm[6] = 250.;
- dm[7] = 74.4;
- dm[8] = 76.;
+ dm[0]=0.;
+ dm[1]=0.3;
+ dm[2]=126.6;
+ gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
- gMC->Gsvolu("TIVC","PCON",idtmed[11],dm,9); // C-fibre
+ // empty space
- gMC->Gspos("TIVC",1,"TPVD",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TIVC",2,"TPVD",0.,0.,0.,idrotm[nRotMat],"ONLY");
+ dm[0]=0.3;
+ dm[1]=1.;
+ dm[2]=126.6;
- // barrel part
+ gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
- dm[0] = 50.;
- dm[1] = 50.5;
- dm[2] = 64.5;
+ gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
- gMC->Gsvolu("TIVB","TUBE",idtmed[9],dm,3);
+ // rod without cable
- gMC->Gspos("TIVB",1,"TPVD",0.,0.,0.,0,"ONLY");
+ dm[0]=1.8;
+ dm[1]=2.25;
+ dm[2]=126.6;
- gMC->Gspos("TPVD",1,"ALIC",0.,0.,0.,0,"ONLY");
+ gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
+ gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY");
+ gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY");
- // ---------------------------------------------------
- // volumes ordering
- // ---------------------------------------------------
+ gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+ // services wheel cover -> wheel
- gMC->Gsord("TGAS", 6);
- gMC->Gsord("TPSG", 6);
-
+ 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);
+ if(fSecAL >=0) gMC->Gsord("TPLS",3);
+ if(fSecAU >=0 && fSens >0) gMC->Gsord("TPUS",3);
+ gMC->Gsord("TDGN",6);
+
+ // put the TPC into ALIC (main mother volume)
+
+ gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
+
+
} // end of function
@@ -945,34 +1788,93 @@ void AliTPCv2::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("TDGN","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->Gsatt("TPSS","SEEN",0);
+ gMC->Gsatt("TPUS","SEEN",0);
+ gMC->Gsatt("TPLS","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");
@@ -986,11 +1888,7 @@ void AliTPCv2::CreateMaterials()
//
// Define materials for version 2 of the Time Projection Chamber
//
-
- //
- // Increase maximum number of steps
- gMC->SetMaxNStep(30000);
- //
+
AliTPC::CreateMaterials();
}
@@ -1000,19 +1898,24 @@ void AliTPCv2::Init()
//
// Initialises version 2 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("TLGA"); // L-sector
- fIdSens2=gMC->VolId("TSGA"); // S-sector
- fIdSens3=gMC->VolId("TSST"); // strip - S-sector (not always used)
- fIdSens4=gMC->VolId("TLST"); // strip - S-sector (not always used)
+
+
+
+ fIdSens=gMC->VolId("TPSS");
+
+ fIdLSec=gMC->VolId("TPLS"); // lower sector
+ fIdUSec=gMC->VolId("TPUS"); // upper sector
gMC->SetMaxNStep(30000); // max. number of steps increased
- gMC->Gstpar(idtmed[403],"LOSS",5);
+ gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss
- printf("*** TPC version 2 initialized ***\n");
- printf("Maximum number of steps = %d\n",gMC->GetMaxNStep());
+ printf("%s: *** TPC version 2 initialized ***\n",ClassName());
+ printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep());
//
@@ -1028,24 +1931,23 @@ void AliTPCv2::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;
Float_t hits[4];
Int_t vol[2];
- TClonesArray &lhits = *fHits;
- TLorentzVector pos;
+ TLorentzVector p;
- vol[1]=0;
+ vol[1]=0; // preset row number to 0
//
- gMC->SetMaxStep(big);
+ gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared
@@ -1053,87 +1955,94 @@ void AliTPCv2::StepManager()
if(TMath::Abs(charge)<=0.) return; // take only charged particles
-
- id=gMC->CurrentVolID(copy);
-
- // Check the sensitive volume
-
- if(id == fIdSens1)
- {
- vol[0] = copy + fTPCParam->GetNInnerSector()-1; // L-sector number
- }
- else if(id == fIdSens2)
- {
- vol[0] = copy-1; // S-sector number
- }
- else if(id == fIdSens3 && gMC->IsTrackEntering())
- {
- vol[1] = copy-1; // row number
- id = gMC->CurrentVolOffID(1,copy);
- vol[0] = copy-1; // sector number (S-sector)
-
- //I.Belikov's modification
- if (vol[1]==0) {
- gMC->TrackMomentum(pos);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
- hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- }
- //end of I.Belikov's modification
-
- gMC->TrackPosition(pos);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
- hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ // check the sensitive volume
+
+ id = gMC->CurrentVolID(copy); // current volume Id
+
+ if(id == fIdLSec){
+ vol[0] = copy-1; // lower sector number
+ }
+ else if(id == fIdUSec){
+ vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number
+ }
+ else if(id == fIdSens && gMC->IsTrackEntering()){
+
+ // track is entering the sensitive strip
+
+ vol[1]= copy-1; // row number (absolute)
+
+ // sector type
+
+ id = gMC->CurrentVolOffID(1,copy);
+
+ if(id == fIdLSec){
+
+ // lower sector
+
+ vol[0] = copy-1; // sector number
+
}
- else if(id == fIdSens4 && gMC->IsTrackEntering())
- {
- vol[1] = copy-1; // row number
- id = gMC->CurrentVolOffID(1,copy);
- vol[0] = copy+fTPCParam->GetNInnerSector()-1; // sector number (L-sector)
-
- //I.Belikov's modification
- if (vol[1]==0) {
- gMC->TrackMomentum(pos);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
- hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- }
- //end of I.Belikov's modification
-
- gMC->TrackPosition(pos);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
+ else {
+
+ // upper sector
+
+ vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number
+ vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0)
+
+ }
+
+ if(vol[1] == 0){
+
+ // because Jouri wants to have this
+
+ gMC->TrackMomentum(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+
+ AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
+
}
+
+ gMC->TrackPosition(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
+ hits[3]=0.; // this hit has no energy loss
+ // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+
+ AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
+
+ }
else return;
-
- //
+
+ //-----------------------------------------------------------------
// charged particle is in the sensitive volume
- //
+ //-----------------------------------------------------------------
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);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
+ gMC->TrackPosition(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
hits[3]=(Float_t)nel;
// Add this hit
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ if (fHitType&&2){
+ gMC->TrackMomentum(p);
+ Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
+ Float_t precision = (momentum>0.1) ? 0.002 :0.01;
+ fTrackHits->SetHitPrecision(precision);
+ }
+ AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
}
@@ -1143,16 +2052,19 @@ void AliTPCv2::StepManager()
TLorentzVector mom;
gMC->TrackMomentum(mom);
Float_t ptot=mom.Rho();
- Float_t beta_gamma = ptot/gMC->TrackMass();
+ Float_t betaGamma = ptot/gMC->TrackMass();
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); // protection against too small bg
+ pp=kprim*BetheBloch(betaGamma);
+
if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
@@ -1171,20 +2083,22 @@ Float_t AliTPCv2::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));
}
+
+