+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+
/////////////////////////////////////////////////////////////////////
// //
-// START ( T-zero) detector version 0 //
+// START ( T-zero) detector version 1 //
//
//Begin Html
/*
-<img src="gif/AliSTARTv0Class.gif">
+<img src="gif/AliSTARTv1Class.gif">
*/
//End Html
// //
#include <TGeometry.h>
#include <TTUBE.h>
#include <TNode.h>
+#include <TLorentzVector.h>
-#include "AliSTARTv0.h"
+#include "AliSTARTv1.h"
#include "AliRun.h"
#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliSTARThit.h"
#include <iostream.h>
#include <fstream.h>
-#include "TGeant3.h"
+//#include "TGeant3.h"
#include <stdlib.h>
-ClassImp(AliSTARTv0)
+ClassImp(AliSTARTv1)
//--------------------------------------------------------------------
AliSTARTv1::AliSTARTv1(const char *name, const char *title):
*/
//
- AliMC* pMC = AliMC::GetMC();
- Int_t *idtmed = gAlice->Idtmed();
+ Int_t *idtmed = fIdtmed->GetArray();
Int_t is;
Int_t idrotm[999];
Float_t x,y,z;
- Float_t pstart[3]={5.,10.2,5.3};
- // Float_t pscin[3]={0.,2.54/2.,1.5};
+ Float_t pstart[3]={4.5,10.7,5.3};
+ Float_t pinstart[3]={0.,1.3,5.25};
Float_t ppmt[3]={0.,1.3,3.5};
Float_t pdivider[3]={0.,1.2,1.75};
Float_t pdiv2[3]={0.,1.2,1.25};
//-------------------------------------------------------------------
// START volume
//-------------------------------------------------------------------
-
+
+ // Float_t theta=TMath::ATan(6.5/zdet);
+ Float_t theta=(180./3.1415)*TMath::ATan(6.5/zdet);
AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
- pMC->Gsvolu("STRT","TUBE",idtmed[2101-1],pstart,3);
- pMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
- pMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
+
+ gMC->Gsvolu("STRT","TUBE",idtmed[1],pstart,3);
+ gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
+ gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
//START interior
- // pMC->Gsvolu("SCIN","TUBE",idtmed[2102-1],pscin,3);
- pMC->Gsvolu("PMT ","TUBE",idtmed[2103-1],ppmt,3);
- pMC->Gsvolu("DIVI","TUBE",idtmed[2103-1],pdivider,3);
-
-// first ring: 13 units of Scintillator+PMT+divider
- for (is=1; is<=13; is++)
- {
- x=6*TMath::Sin(is*2*3.1415/13);
- y=6*TMath::Cos(is*2*3.1415/13);
- z=-pstart[2]+ppmt[2];
- printf(" is %d, z PMT %f\n",is,z);
- // pMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
- // z=z+pscin[2]+ppmt[2];
- pMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
- z=ppmt[2]+pdivider[2];
- printf(" is %d, z Divider %f\n",is,z);
- pMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
- }
+ gMC->Gsvolu("INST","TUBE",idtmed[1],pinstart,3);
+ gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);
+ gMC->Gsvolu("DIVI","TUBE",idtmed[3],pdivider,3);
+
+// first ring: 12 units of Scintillator+PMT+divider
+ Double_t dang1 = 2*TMath::Pi()/12;
+ for (is=1; is<=12; is++)
+ {
+ AliMatrix(idrotm[901+is],
+ 90.-theta, 30.*is,
+ 90., 90.+30.*is,
+ theta, 180.+30.*is);
+ x=6.5*TMath::Sin(is*dang1);
+ y=6.5*TMath::Cos(is*dang1);
+ z=-pstart[2]+pinstart[2];
+ gMC->Gspos("INST",is,"STRT",x,y,z,idrotm[901+is],"ONLY");
+ printf("z PMT %f\n",z);
+
+
+ x=0;
+ y=0;
+ z=-pinstart[2]+ppmt[2];
+ printf(" is %d, z Divider %f\n",is,z);
+ gMC->Gspos("PMT ",is,"INST",x,y,z,0,"ONLY");
+ z=pinstart[2]-pdivider[2];
+ gMC->Gspos("DIVI",is,"INST",x,y,z,0,"ONLY");
+ }
+ /*
//second ring: 20 units of Scintillator+PMT+divider
- for (is=14; is<=33;is++)
- {
- x=8.8*TMath::Sin(2.*3.1415/26+(is-13)*2*3.1415/20);
- y=8.8*TMath::Cos(2.*3.1315/26+(is-13)*2*3.1415/20);
+ Double_t dang2 = 2*TMath::Pi()/26;
+ Double_t dang3 = 2*TMath::Pi()/20;
+ for (is=14; is<=33;is++)
+ {
+ x=9.3*TMath::Sin(dang2+(is-13)*dang3);
+ y=9.3*TMath::Cos(dang2+(is-13)*dang3);
z=-pstart[2]+ppmt[2];
- // pMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
- //z=z+pscin[2]+ppmt[2];
- pMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
- z=ppmt[2]+pdiv2[2];
- pMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
- }
+ gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
+ z=z+ppmt[2]+pdiv2[2];
+ gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
+ }
+ */
// PMT
-// Entry window (glass)
- pMC->Gsvolu("PTOP","TUBE",idtmed[2106-1],ptop,3);
- z=-ppmt[2]+ptop[2];
- pMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
- printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
-// Bottom glass
- pMC->Gsvolu("PBOT","TUBE",idtmed[2106-1],pbot,3);
- z=ppmt[2]-pbot[2];
- printf("Z bottom %f\n",z);
- pMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
-// Side cylinder glass
- pMC->Gsvolu("POUT","TUBE",idtmed[2106-1],pglass,3);
- z=ppmt[2]-pglass[2];
- printf("Z glass %f\n",z);
- pMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
-//PMT electrodes support structure
- pMC->Gsvolu("PCER","TUBE",idtmed[2104-1],pcer,3);
- pMC->Gsvolu("PSTE","TUBE",idtmed[2108-1],psteel,3);
- z=-ppmt[2]+2*ptop[2]+0.3;;
- printf("Z Cer 1 %f\n",z);
- for (is=1; is<=15; is++)
+ // Entry window (glass)
+ gMC->Gsvolu("PTOP","TUBE",idtmed[6],ptop,3);
+ z=-ppmt[2]+ptop[2];
+ gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
+ // printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
+ // Bottom glass
+ gMC->Gsvolu("PBOT","TUBE",idtmed[6],pbot,3);
+ z=ppmt[2]-pbot[2];
+ printf("Z bottom %f\n",z);
+ gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
+ // Side cylinder glass
+ gMC->Gsvolu("POUT","TUBE",idtmed[6],pglass,3);
+ z=ppmt[2]-pglass[2];
+ // printf("Z glass %f\n",z);
+ gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
+ //PMT electrodes support structure
+ gMC->Gsvolu("PCER","TUBE",idtmed[4],pcer,3);
+ gMC->Gsvolu("PSTE","TUBE",idtmed[8],psteel,3);
+ z=-ppmt[2]+2*ptop[2]+0.3;;
+ // printf("Z Cer 1 %f\n",z);
+ for (is=1; is<=15; is++)
{
- z=z+psteel[2]+pcer[2];
- pMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
- z=z+psteel[2]+pcer[2];
- pMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
- }
-
-// Divider
-// Knob at the bottom of PMT baloon
- pMC->Gsvolu("KNOB","TUBE",idtmed[2106-1],pknob,3);
- z=-pdivider[2]+pknob[2];
-// printf("zknob %f\n",z);
- pMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
- pMC->Gsvolu("KNBO","TUBE",idtmed[2106-1],pknob_bot,3);
- z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
-// printf("knobbot %f\n",z);
- pMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
- pMC->Gsvolu("KNVA","TUBE",idtmed[2106-1],pknob_vac,3);
- z=-pdivider[2]+pknob_vac[2];
-// printf("knobvac %f\n",z);
- pMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
- //Steel pins + pin holes
- pMC->Gsvolu("PINS","TUBE",idtmed[2108-1],ppins,3);
- z=-pdivider[2]+ppins[2];
- pMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
- pMC->Gsvolu("HOLE","TUBE",idtmed[2111-1],phole,3);
- z=-pdivider[2]+2*ppins[2]+phole[2];
- pMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
-
-//Socket
- pMC->Gsvolu("DIV1","TUBE",idtmed[2104-1],pdiv1,3);
- z=-pdivider[2]+pdiv1[2];
- pMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
-//Resistors
- pMC->Gsvolu("DIV2","TUBE",idtmed[2101-1],pdiv2,3);
- z=pdivider[2]-pdiv2[2];
- pMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
- pMC->Gsvolu("DRES","TUBE",idtmed[2104-1],presist,3);
- z=-pdiv2[2]+presist[2];
- pMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
- pMC->Gsvolu("DRIB","TUBE",idtmed[2109-1],pribber,3);
- z=pdiv2[2]-pribber[2];
- pMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
- printf("z DRIB %f\n",z);
-
+ z=z+psteel[2]+pcer[2];
+ gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
+ z=z+psteel[2]+pcer[2];
+ gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
+ }
+
+ // Divider
+ // Knob at the bottom of PMT baloon
+
+ gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
+ z=-pdivider[2]+pknob[2];
+ // printf("zknob %f\n",z);
+ gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
+ gMC->Gsvolu("KNBO","TUBE",idtmed[6],pknob_bot,3);
+ z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
+ // printf("knobbot %f\n",z);
+ gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
+ gMC->Gsvolu("KNVA","TUBE",idtmed[3],pknob_vac,3);
+ z=-pdivider[2]+pknob_vac[2];
+ // printf("knobvac %f\n",z);
+ gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
+ //Steel pins + pin holes
+ gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
+ z=-pdivider[2]+ppins[2];
+ gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
+ gMC->Gsvolu("HOLE","TUBE",idtmed[11],phole,3);
+ z=-pdivider[2]+2*ppins[2]+phole[2];
+ gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
+
+ //Socket
+ gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
+ z=-pdivider[2]+pdiv1[2];
+ gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
+ //Resistors
+ gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
+ z=pdivider[2]-pdiv2[2];
+ gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
+ gMC->Gsvolu("DRES","TUBE",idtmed[4],presist,3);
+ z=-pdiv2[2]+presist[2];
+ gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
+ gMC->Gsvolu("DRIB","TUBE",idtmed[9],pribber,3);
+ z=pdiv2[2]-pribber[2];
+ gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
+ // printf("z DRIB %f\n",z);
+
+
}
//------------------------------------------------------------------------
void AliSTARTv1::CreateMaterials()
{
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
Float_t a,z,d,radl,absl,buf[1];
Int_t nbuf;
// Scintillator CH
- // Float_t ascin[2]={1.01,12.01};
- // Float_t zscin[2]={1,6};
- // Float_t wscin[2]={1,1};
- // Float_t denscin=1.03;
+ Float_t ascin[2]={1.01,12.01};
+ Float_t zscin[2]={1,6};
+ Float_t wscin[2]={1,1};
+ Float_t denscin=1.03;
// PMT glass SiO2
- Float_t aglass[2]={28.0855,15.9994};
- Float_t zglass[2]={14.,8.};
- Float_t wglass[2]={1.,2.};
- Float_t dglass=2.65;
+ Float_t aglass[2]={28.0855,15.9994};
+ Float_t zglass[2]={14.,8.};
+ Float_t wglass[2]={1.,2.};
+ Float_t dglass=2.65;
// Ceramic 97.2% Al2O3 , 2.8% SiO2
- Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
- Float_t aal2o3[2] = { 26.981539,15.9994 };
- Float_t zal2o3[2] = { 13.,8. };
- Float_t wal2o3[2] = { 2.,3. };
- Float_t denscer = 3.6;
+ Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
+ Float_t aal2o3[2] = { 26.981539,15.9994 };
+ Float_t zal2o3[2] = { 13.,8. };
+ Float_t wal2o3[2] = { 2.,3. };
+ Float_t denscer = 3.6;
// Brass 80% Cu, 20% Zn
Float_t abrass[2] = {63.546,65.39};
Float_t zribber[3] = {6.,1.,16.};
Float_t wribber[3] = {6.,12.,1.};
Float_t denribber=0.8;
+ /*
+// Definition Cherenkov parameters
+ Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
+ Float_t rindex_quarz[14] = { 1.528309,1.533333,
+ 1.538243,1.544223,1.550568,1.55777,
+ 1.565463,1.574765,1.584831,1.597027,
+ 1.611858,1.6277,1.6472,1.6724 };
-
- AliMC* pMC = AliMC::GetMC();
-
- Int_t *idtmed = gAlice->Idtmed();
- Int_t imat;
-
+ Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
+ 6.324,4.483,1.6,.323,.073,0. };
+ */
+
//*** Definition Of avaible START materials ***
- AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
- AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
- AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
-
- AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wcer);
- AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
- char namate[21];
- pMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
- acer[0]=a;
- zcer[0]=z;
- pMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
- acer[1]=a;
- zcer[1]=z;
-
- AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
- // AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
- AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
-
- AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
-
-
-
-//**
- AliMedium(2101, "START Air$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
- // AliMedium(2102, "Scintillator$", 5, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
- AliMedium(2103, "Vacuum$", 1, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
- AliMedium(2104, "Ceramic$", 9, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
- AliMedium(2106, "Glass$", 4, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
- AliMedium(2108, "Steel$", 0, 0, ISXFLD, SXMGMX, 1., .001, 1., .001, .001);
- AliMedium(2111, "Brass $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
- AliMedium(2109, "Ribber $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
-
+ AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
+ AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
+ AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
+
+ AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
+ AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
+ char namate[21];
+ gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
+ acer[0]=a;
+ zcer[0]=z;
+ gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
+ acer[1]=a;
+ zcer[1]=z;
+
+ AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
+ AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
+ AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
+
+ AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
+
+
+ AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
+ AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
+ AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
+ AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ cout<<"++++++++++++++Medium set++++++++++"<<endl;
+
+// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
}
//---------------------------------------------------------------------
//
// Draw a shaded view of the Forward multiplicity detector version 0
//
-
-AliMC* pMC = AliMC::GetMC();
-
-//Set ALIC mother transparent
-pMC->Gsatt("ALIC","SEEN",0);
-//
-//Set volumes visible
-pMC->Gsatt("STRT","SEEN",0);
-//pMC->Gsatt("SCIN","SEEN",1);
-pMC->Gsatt("PMT ","SEEN",1);
-pMC->Gsatt("DIVI","SEEN",1);
-//
-pMC->Gdopt("hide","on");
-pMC->Gdopt("shad","on");
-pMC->SetClipBox(".");
-pMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
-pMC->DefaultRange();
-pMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
-pMC->Gdhead(1111,"T-Zero detector");
-pMC->Gdopt("hide","off");
+
+ //Set ALIC mother transparent
+ gMC->Gsatt("ALIC","SEEN",0);
+ //
+ //Set volumes visible
+ // gMC->Gsatt("STRT","SEEN",0);
+ gMC->Gsatt("INST","SEEN",0);
+ gMC->Gsatt("PMT ","SEEN",1);
+ gMC->Gsatt("DIVI","SEEN",1);
+ //
+ gMC->Gdopt("hide","on");
+ gMC->Gdopt("shad","on");
+ gMC->SetClipBox(".");
+ gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
+ gMC->DefaultRange();
+ gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
+ gMC->Gdhead(1111,"T-Zero detector");
+ gMC->Gdopt("hide","off");
}
+
//-------------------------------------------------------------------
void AliSTARTv1::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
-AliMC* pMC=AliMC::GetMC();
//Int_t *idtmed = gAlice->Idtmed();
-AliSTART::Init();
-fIdSens1=pMC->VolId("PTOP");
-printf("*** START version 0 initialized ***\n");
+ AliSTART::Init();
+ fIdSens1=gMC->VolId("PTOP");
+ printf("*** START version 0 initialized ***\n");
}
//
// Called for every step in the START Detector
//
- Int_t id,copy,copy1,i;
+ Int_t id,copy,copy1;
static Float_t hits[7];
static Float_t edep;
static Int_t vol[2];
-
+ TLorentzVector pos;
+
TClonesArray &lhits = *fHits;
- AliMC* pMC=AliMC::GetMC();
- TGeant3* geant3= (TGeant3*)pMC;
- if(!pMC->TrackAlive()) return; // particle has disappeared
- Float_t charge = pMC->TrackCharge();
+ if(!gMC->IsTrackAlive()) return; // particle has disappeared
+ Float_t charge = gMC->TrackCharge();
if(TMath::Abs(charge)<=0.) return; //take only charged particles
- // geant3->Gpcxyz();
- id=pMC->CurrentVol(0,copy);
-
-
-// printf("igauto %d\n",pMC->ctrak->igauto);
-// printf("pMC->ckine->ipart %d",pMC->ckine->ipart);
-// Check the sensetive volume
- if(id==fIdSens1 )
- {
- if(pMC->TrackEntering())
- {
- pMC->CurrentVolOff(2,0,copy);
- vol[0]=copy;
- pMC->CurrentVolOff(1,0,copy1);
- vol[1]=copy1;
- pMC->TrackPosition(hits);
- Float_t etot=pMC->Etot();
-// printf("pMC->ctrak->ekin %f\n",pMC->ctrak->Ekin);
- hits[4]=etot;
- Int_t part= pMC->TrackPid();
- hits[5]=part;
- Float_t ttime=geant3->Gctrak()->tofg;
- hits[6]=ttime*1e9;
- edep=0;
- // Float_t xV=geant3->Gckine()->vert[0];
- //Float_t yV=geant3->Gckine()->vert[1];
- //Float_t zV=geant3->Gckine()->vert[2];
- //Float_t tl=pMC -> TrackLength();
- // if(hits[6]<2.4){
- // for (i=0; i<=6; i++){
- // printf(" HITS on START entr %f\n",hits[i]);}
- //}
- }
- if(pMC->TrackInside())
- {
- Float_t de=pMC->Edep();
- edep=edep+de;
-// printf ("E deposition %f\n",edep);
-// for (i=0; i<=6; i++){
-// printf(" HITS on START inside %f\n",hits[i]); }
- }
- if(pMC->TrackExiting())
- {
- Float_t de=pMC->Edep();
- edep=edep+de;
- hits[3]=edep*1e3;
- // for (i=0; i<=6; i++){
- // printf(" HITS on START Exit %f\n",hits[i]); }
- //for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
-
- new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits); }
+ id=gMC->CurrentVolID(copy);
+
+
+ // printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
+ // Check the sensetive volume
+ if(id==fIdSens1 ) {
+ if(gMC->IsTrackEntering()) {
+ gMC->CurrentVolOffID(2,copy);
+ vol[0]=copy;
+ gMC->CurrentVolOffID(1,copy1);
+ vol[1]=copy1;
+ gMC->TrackPosition(pos);
+ hits[0] = pos[0];
+ hits[1] = pos[1];
+ hits[2] = pos[2];
+ Float_t etot=gMC->Etot();
+ hits[4]=etot;
+ Int_t iPart= gMC->TrackPid();
+ Int_t partID=gMC->IdFromPDG(iPart);
+ hits[5]=partID;
+ Float_t ttime=gMC->TrackTime();
+ hits[6]=ttime*1e9;
+ edep=0;
}
+ if(gMC->IsTrackInside()) {
+ Float_t de=gMC->Edep();
+ edep=edep+de;
+ }
+ }
+ if(gMC->IsTrackExiting()) {
+ Float_t de=gMC->Edep();
+ edep=edep+de;
+ hits[3]=edep*1e3;
+ new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ }
//---------------------------------------------------------------------
- }
- //}
-
-
-
+}