**************************************************************************/
-
//////////////////////////////////////////////////////////////////////
// //
// (V-zero) detector version 0 as designed by the Lyon group //
// All comments should be sent to Brigitte CHEYNIS : //
// b.cheynis@ipnl.in2p3.fr //
+// Geometrie du 25/02/2002 //
// //
//////////////////////////////////////////////////////////////////////
#include "AliVZEROv0.h"
#include "AliRun.h"
+#include "AliMagF.h"
#include "AliMC.h"
#include "AliVZEROhit.h"
#include "AliVZEROdigit.h"
#include "AliConst.h"
#include "ABSOSHILConst.h"
#include "ABSOConst.h"
+#include "TLorentzVector.h"
ClassImp(AliVZEROv0)
//--------------------------------------------------------------------
AliVZEROv0:: AliVZEROv0():AliVZERO()
{
- fRootFile = 0;
- fhMultiplicity = 0;
- fhGEANTcode = 0;
- fhCerenkov = 0;
- fhToF = 0;
+
+
}
//--------------------------------------------------------------------
AliVZEROv0::AliVZEROv0(const char *name, const char *title):
Int_t i;
printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" create VZERO object");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
+ printf(" Create VZERO object ");
+ for(i=0;i<30;i++) printf("*");
printf("\n");
}
+
//-------------------------------------------------------------------------
void AliVZEROv0::CreateGeometry()
{
-// Creates the Geant geometry of the V-zeroR Detector (right part) version 0
+// Creates the Geant geometry of the V-zero Detector version 0
Int_t i;
printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" VZERO Create Geometry ");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
+ printf(" Create VZERO Geometry ");
+ for(i=0;i<30;i++) printf("*");
printf("\n");
Int_t *idtmed = fIdtmed->GetArray()-2999;
- Int_t n_detec = 1;
- Int_t n_cells = 1;
-
+ Int_t n_detec_R = 1;
+ Int_t n_detec_L = 1;
+
+ Int_t n_cells_R = 1;
+ Int_t n_cells_L = 1;
+
Int_t idrotm[999];
Float_t height1, height2, height3, height4, height5;
Float_t pi = TMath::Pi();
Float_t thick_alu;
- height1 = 2.3; // height of cell 1, in cm
- height2 = 3.7; // height of cell 2, in cm
- height3 = 6.2; // height of cell 3, in cm
- height4 = 10.5; // height of cell 4, in cm
- height5 = 10.5; // height of cell 5, in cm
+ height1 = 2.0; // height of cell 1, in cm
+ height2 = 3.2; // height of cell 2, in cm
+ height3 = 4.9; // height of cell 3, in cm
+ height4 = 7.5; // height of cell 4, in cm
+ height5 = 12.0; // height of cell 5, in cm
- theta = pi/12.0/2.0; // half angular opening = 7.5 degrees
+ theta = pi/6.0/2.0; // half angular opening = 15 degrees
half_thick_alu = 0.0025; // half thickness of aluminum foil, in cm
thick_alu = 2.0 * half_thick_alu;
+ fThickness1 = 2.5;
half_thick_qua1 = fThickness1/2.0; // half thickness of WRAPPED quartz cell (inner ring)
half_thick_qua2 = half_thick_qua1 - 0.25;
half_thick_qua3 = half_thick_qua2 - 0.25;
half_thick_qua5 = half_thick_qua4 - 0.25;
zdet = 86.9 +fThickness/2.0; // distance to vertex (along Z axis)
- r0 = 3.4; // closest distance to center of the beam pipe
+ r0 = 4.0; // closest distance to center of the beam pipe
height = height1 + height2 + height3 + height4 + height5;
r5 = r0 + height;
+//............................................................................
+
+// Here I add the flange which is sitting on beam line
+// right in front of V0R detector, and which I found on CERN drawing
+// entitled : ALICE BEAM VACCUM CHAMBER - RB26 version III :
+
+// Float_t pflange[3];
+//
+// pflange[0] = 3.0;
+// pflange[1] = 5.675;
+// pflange[2] = 0.9;
+//
+// gMC->Gsvolu("QFA0","TUBE", idtmed[3003], pflange, 3);
+// gMC->Gspos("QFA0", 1 ,"alic", 0.0, 0.0, 85.0+0.9, 0, "ONLY");
+
+//............................................................................
+
-// Creation of mother volume V0RI :
+// Creation of mother volume V0LE - left part - :
+// Face entree a -350.0 cm ...
+
+ Float_t partube[3];
+
+ partube[0] = 4.3;
+ partube[1] = 45.0;
+ partube[2] = fThickness1/2.0;
+
+ gMC->Gsvolu("V0LE","TUBE",idtmed[3002],partube,3);
+
+
+// Creation of five rings - left part - :
+// Face entree a -350.0 cm ...
+
+// Mother volume V0L0 in which will be set 5 quartz cells
+
+
+ Float_t par[11];
+
+ Float_t dist0_left;
+ Float_t r0_left = 4.3;
+ Float_t height1_left = 2.6;
+ Float_t height2_left = 4.1;
+ Float_t height3_left = 6.4;
+ Float_t height4_left = 10.2;
+ Float_t height5_left = 16.9;
+ Float_t height_left = height1_left + height2_left + height3_left
+ + height4_left + height5_left;
+ Float_t r5_left = r0_left + height_left;
+
+
+ dist0_left = r0_left + height_left / 2.0;
+ thick_alu = 2.0*half_thick_alu;
+
+ par[0] = half_thick_qua1;
+ par[1] = 0.0;
+ par[2] = 0.0;
+ par[3] = height_left / 2.0 ;
+ par[4] = TMath::Tan(theta) * r0_left;
+ par[5] = TMath::Tan(theta) * r5_left;
+ par[6] = 0.0;
+ par[7] = height_left / 2.0 ;
+ par[8] = TMath::Tan(theta) * r0_left;
+ par[9] = TMath::Tan(theta) * r5_left;
+ par[10] = 0.0;
+
+
+ gMC->Gsvolu("V0L0","TRAP",idtmed[3010],par,11); // air volume
+
+ Float_t dist1_left;
+ Float_t r1_left;
+ Float_t offset_left;
+
+ dist1_left = (- height_left + height1_left) /2.0;
+ r1_left = r0_left + height1_left;
+ offset_left = - fThickness1/2.0 + 0.1;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height1_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r0_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r1_left- thick_alu;
+ par[7] = height1_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r0_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r1_left - thick_alu;
+
+
+ gMC->Gsvolu("V0L1","TRAP",idtmed[3002],par,11); // quartz volume
+ gMC->Gspos("V0L1",1,"V0L0", 0.0, dist1_left , 0.0, 0,"ONLY");
+
+ Float_t dist2_left;
+ Float_t r2_left;
+
+ dist2_left = (- height_left + height2_left) /2.0 + height1_left;
+ r2_left = r1_left + height2_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height2_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r1_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[7] = height2_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r1_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r2_left - thick_alu;
+
+ gMC->Gsvolu("V0L2","TRAP",idtmed[3002],par,11); // quartz volume
+ gMC->Gspos("V0L2",1,"V0L0", 0.0, dist2_left , 0.0, 0,"ONLY");
+
+
+ Float_t dist3_left;
+ Float_t r3_left;
+
+ dist3_left = (- height_left + height3_left) /2.0 + height1_left + height2_left;
+ r3_left = r2_left + height3_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height3_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[7] = height3_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r3_left - thick_alu;
+
+ gMC->Gsvolu("V0L3","TRAP",idtmed[3002],par,11); // quartz volume
+ gMC->Gspos("V0L3",1,"V0L0", 0.0, dist3_left , 0.0, 0,"ONLY");
+
+ Float_t dist4_left;
+ Float_t r4_left;
+
+ dist4_left = (- height_left + height4_left) /2.0 + height1_left
+ + height2_left + height3_left;
+ r4_left = r3_left + height4_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height4_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[7] = height4_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r4_left - thick_alu;
+
+ gMC->Gsvolu("V0L4","TRAP",idtmed[3002],par,11); // quartz volume
+ gMC->Gspos("V0L4",1,"V0L0", 0.0, dist4_left , 0.0, 0,"ONLY");
+
+
+ Float_t dist5_left;
+
+
+ dist5_left = (- height_left + height5_left) /2.0 + height1_left
+ + height2_left + height3_left + height4_left;
+
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height5_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r5_left - thick_alu;
+ par[7] = height5_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r5_left - thick_alu;
+
+ gMC->Gsvolu("V0L5","TRAP",idtmed[3002],par,11); // quartz volume
+ gMC->Gspos("V0L5",1,"V0L0", 0.0, dist5_left , 0.0, 0,"ONLY");
+
+
+//............................................................................
+
+// Creation of mother volume V0RI - right part - :
- Float_t partube[3];
partube[0] = r0 - 0.2;
partube[1] = (r5 + 1.0) / TMath::Cos(theta);
parbox[0] = 0.;
parbox[1] = 360.;
- parbox[2] = 24;
+ parbox[2] = 12;
parbox[3] = 2;
parbox[4] = -0.1/2.0;
parbox[5] = r0;
// Mother volume V0R0 in which will be set 5 quartz cells
// each one WRAPPED in reflecting aluminum :
- Float_t dist0;
- Float_t par[11];
+ Float_t dist0;
dist0 = r0 + height / 2.0;
thick_alu = 2.0*half_thick_alu;
parbox[2] = half_thick_qua1;
gMC->Gsvolu("V0A2","BOX",idtmed[3004],parbox,3); // aluminum rectangular foil
- Float_t theta_deg = 180./12./2.0;
+ Float_t theta_deg = 180./6./2.0;
Float_t h1;
h1 = TMath::Tan(theta) * (r0 + height1/2.0);
AliMatrix(idrotm[911],90.0,+theta_deg,90.0,90.+theta_deg,0.0,0.);
Float_t phi_rad ;
- Float_t phi_deg = 180./12.;
+ Float_t phi_deg = 180./6.;
-
- for(Float_t phi = 7.5; phi < 360.0; phi = phi + phi_deg)
+ // Partie de droite :
+
+ for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
{
phi_rad = phi*pi/180.;
AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
- gMC->Gspos("V0R0",n_detec,"V0RI",-dist0*TMath::Sin(phi_rad),
+ gMC->Gspos("V0R0",n_detec_R,"V0RI",-dist0*TMath::Sin(phi_rad),
dist0*TMath::Cos(phi_rad),offset + half_thick_qua1,idrotm[902],"ONLY");
- n_detec++;
+ n_detec_R++;
}
gMC->Gspos("V0RI",1,"alic",0.0,0.0,zdet,0,"ONLY");
- n_cells = (n_detec - 1) * 5;
+ n_cells_R = (n_detec_R - 1) * 5;
printf(" \n\n\n");
- printf(" Number of cells = %d\n\n", n_cells);
+ printf(" Number of cells on Right side = %d\n", n_cells_R);
+
+// Partie de gauche :
+
+ for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
+ {
+ phi_rad = phi*pi/180.;
+ AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
+ gMC->Gspos("V0L0",n_detec_L,"V0LE",-dist0_left*TMath::Sin(phi_rad),
+ dist0_left*TMath::Cos(phi_rad),offset_left + half_thick_qua1,idrotm[902],"ONLY");
+ n_detec_L++;
+ }
+
+
+ gMC->Gspos("V0LE",1,"alic",0.0,0.0,-350.0-fThickness1/2.0,0,"ONLY");
+
+ n_cells_L = (n_detec_L - 1) * 5;
+ printf(" \n\n\n");
+ printf(" Number of cells on Left side = %d\n\n", n_cells_L);
+
}
+
//_____________________________________________________________________________
void AliVZEROv0::BuildGeometry()
{
// Builds simple ROOT TNode geometry for event display
-
+
Int_t i;
printf("\n");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
printf(" VZERO BuildGeometry ");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
printf("\n");
- TNode *Top, *Node0, *Node1, *Node2;
- TNode *Node3, *Node4 , *Node5, *Node6 , *Node7;
+ TNode *Top;
+
TNode *V0Rnode, *V0Rnode0, *V0Rnode6 , *V0Rnode7, *V0Rnode8, *V0Rnode9;
TNode *V0Rnode1, *V0Rnode2, *V0Rnode3, *V0Rnode4, *V0Rnode5;
+ TNode *V0Lnode, *V0Lnode0;
+ TNode *V0Lnode1, *V0Lnode2, *V0Lnode3, *V0Lnode4, *V0Lnode5;
+
const int kColorVZERO = kGreen;
-
+
Top = gAlice->GetGeometry()->GetNode("alice");
Float_t height1, height2, height3, height4, height5;
Float_t pi = TMath::Pi();
Float_t thick_alu;
- height1 = 2.3;
- height2 = 3.7;
- height3 = 6.2;
- height4 = 10.5;
- height5 = 10.5;
+// height1 = 1.9;
+// height2 = 3.7;
+// height3 = 6.2;
+// height4 = 10.5;
+// height5 = 10.5;
+
+ height1 = 2.0; // height of cell 1, in cm
+ height2 = 3.2; // height of cell 2, in cm
+ height3 = 4.9; // height of cell 3, in cm
+ height4 = 7.5; // height of cell 4, in cm
+ height5 = 12.0; // height of cell 5, in cm
- theta = pi/12.0/2.0;
+ theta = pi/6.0/2.0;
half_thick_alu = 0.0025;
thick_alu = 2.0 * half_thick_alu;
half_thick_qua1 = fThickness1/2.0;
half_thick_qua5 = half_thick_qua4 - 0.25;
zdet = 86.9 +fThickness/2.0;
- r0 = 3.4;
+ r0 = 4.0;
height = height1 + height2 + height3 + height4 + height5;
r5 = r0 + height;
fNodes->Add(V0Rnode);
V0Rnode->SetVisibility(2);
-
+
// Rondelles de carbone (epaisseur 1 mm) de maintien des cellules ...
parbox[0] = 0.;
parbox[1] = 360.;
- parbox[2] = 24;
+ parbox[2] = 12;
parbox[3] = 2;
parbox[4] = -0.1/2.0;
parbox[5] = r0;
Float_t phi;
- Float_t phi_deg= 180./12.;
+ Float_t phi_deg= 180./6.;
Float_t phi_rad;
Float_t xdet,ydet;
- Int_t n_detec = 1;
+ Int_t n_detec_R = 1;
+
char NameNode[12];
- for (phi = 7.5; phi < 360.0; phi = phi + phi_deg)
+ for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
{
TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
ydet = dist0*TMath::Cos(phi_rad);
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode->cd();
V0Rnode0 = new TNode(NameNode,NameNode,V0R0,-xdet,ydet, offset + half_thick_qua1,mat920);
V0Rnode0->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode0);
- n_detec++;
+ n_detec_R++;
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
V0Rnode1 = new TNode(NameNode,NameNode,V0R1,0.0,dist1, 0.0,0);
V0Rnode1->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode1);
- n_detec++;
+ n_detec_R++;
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
V0Rnode2 = new TNode(NameNode,NameNode,V0R2,0.0,dist2, - half_thick_qua1 + half_thick_qua2,0);
V0Rnode2->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode2);
- n_detec++;
+ n_detec_R++;
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
V0Rnode3 = new TNode(NameNode,NameNode,V0R3,0.0,dist3, - half_thick_qua1 + half_thick_qua3,0);
V0Rnode3->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode3);
- n_detec++;
+ n_detec_R++;
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
V0Rnode4 = new TNode(NameNode,NameNode,V0R4,0.0,dist4, - half_thick_qua1 + half_thick_qua4,0);
V0Rnode4->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode4);
- n_detec++;
+ n_detec_R++;
- sprintf(NameNode,"SUBDET%d",n_detec);
+ sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
V0Rnode5 = new TNode(NameNode,NameNode,V0R5,0.0,dist5, - half_thick_qua1 + half_thick_qua5,0);
V0Rnode5->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode5);
- n_detec++;
+ n_detec_R++;
V0Rnode0->SetVisibility(2);
}
-
-// Here I add the enveloppe of the FRONTAL ABSORBER defined by Andreas Morsch
-// in AliABSOv0::CreateGeometry() :
- Float_t parm[24];
- Float_t dz;
-
- Top->cd();
+// Left side of VZERO :
- parm[0] = 0.;
- parm[1] = 360.;
- parm[2] = 7.;
-
- parm[3] = -(zRear-zAbsStart)/2.;
- parm[4] = rAbs;
- parm[5] = zAbsStart * TMath::Tan(theta1);
-
- parm[6] = parm[3]+(zNose-zAbsStart);
- parm[7] = rAbs;
- parm[8] = zNose * TMath::Tan(theta1);
-
- parm[9] = parm[3]+(zConeTPC-zAbsStart);
- parm[10] = rAbs;
- parm[11] = parm[8] + (parm[9] - parm[6]) * TMath::Tan(theta2);
-
- parm[12] = parm[3]+(zOpen-zAbsStart);
- parm[13] = rAbs;
- parm[14] = parm[11] + (parm[12] - parm[9]) * TMath::Tan(accMax);
-
- parm[15] = parm[3]+(zRear-dRear-zAbsStart);
- parm[16] = rAbs + (parm[15] - parm[12]) * TMath::Tan(thetaOpen1) ;
- parm[17] = parm[14] + (parm[15] - parm[12]) * TMath::Tan(accMax);
-
- parm[18] = parm[3]+(zRear-dRear-zAbsStart);
- parm[19] = (zRear-dRear) * TMath::Tan(accMin);
- parm[20] = parm[14] + (parm[18] - parm[12]) * TMath::Tan(accMax);
-
- parm[21] = -parm[3];
- parm[22] = zRear* TMath::Tan(accMin);
- parm[23] = parm[20] + (parm[21] - parm[18]) * TMath::Tan(accMax);
- printf(" zRear, zAbsStart, rAbs = %f , %f , %f \n\n",
- zRear, zAbsStart, rAbs );
-
-
- TPCON *abs0 = new TPCON("abs0", "abs0", "void", parm[0], parm[1], parm[2]);
-
-
- abs0->DefineSection(0, parm[3], parm[4], parm[5] );
- abs0->DefineSection(1, parm[6], parm[7], parm[8] );
- abs0->DefineSection(2, parm[9], parm[10], parm[11] );
- abs0->DefineSection(3,parm[12], parm[13], parm[14] );
- abs0->DefineSection(4,parm[15], parm[16], parm[17] );
- abs0->DefineSection(5,parm[18], parm[19], parm[20] );
- abs0->DefineSection(6,parm[21], parm[22], parm[23] );
-
- dz = (zRear-zAbsStart)/2.+zAbsStart;
-
- TRotMatrix* mat921 = new TRotMatrix("rot921","rot921",90.0,0.0,90.,90.0,180.0,0.0);
-
- Node0 = new TNode("abs0","abs0",abs0,0.0,0.0,dz,0);
- Node0->SetLineColor(38);
- fNodes->Add(Node0);
-
-
- Float_t cpar[5];
-
- cpar[0] = (zNose - zAbsStart) / 2.;
- cpar[1] = zAbsStart * TMath::Tan(accMax);
- cpar[2] = zAbsStart * TMath::Tan(theta1)-dSteel;
- cpar[3] = zNose * TMath::Tan(accMax);
- cpar[4] = zNose * TMath::Tan(theta1)-dSteel;
+ Float_t dist0_left;
+ Float_t r0_left = 4.3;
+ Float_t height1_left = 2.6;
+ Float_t height2_left = 4.1;
+ Float_t height3_left = 6.4;
+ Float_t height4_left = 10.2;
+ Float_t height5_left = 16.9;
+ Float_t height_left = height1_left + height2_left + height3_left
+ + height4_left + height5_left;
+ Float_t r5_left = r0_left + height_left;
- dz = -(zRear-zAbsStart)/2.+cpar[0];
-
- TCONE *abs1 = new TCONE("abs1", "abs1", "void", cpar[0], cpar[1], cpar[2],
- cpar[3], cpar[4]);
-
- Node0->cd();
+ partube[0] = r0_left;
+ partube[1] = (r5_left) / TMath::Cos(theta);
+ partube[2] = fThickness1/2.0;
- Node1 = new TNode("abs1","abs1",abs1,0.0,0.0,dz,0);
- Node1->SetLineColor(7);
- fNodes->Add(Node1);
-
-// Here I add a reference box to visualise the vertex zone :
-
- Top->cd();
-
- Float_t paref[3];
-
- paref[0] = 10.0;
- paref[1] = 15.0;
- paref[2] = 5.6;
-
- TBRIK *aref = new TBRIK("aref","aref", "void", paref[0],paref[1],paref[2]);
-
- Node2 = new TNode("aref","aref",aref,0.0,0.0,0.0,0);
- Node2->SetLineColor(kBlue);
- fNodes->Add(Node2);
-
-// Here I add the mother volume QBPM
-// and the flanges QB29, QB22 et QB24 defined by Andreas Morsch
-// in AliPIPEv0::CreateGeometry() :
+ TTUBE *V0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]);
+
+ Top->cd();
+
+ V0Lnode = new TNode("V0LE","V0LE",V0LE,0.0,0.0,-350.0-fThickness1/2.0,0);
+
+ V0Lnode->SetLineColor(kBlue);
+ fNodes->Add(V0Lnode);
+
+ V0Lnode->SetVisibility(2);
+
+ dist0_left = r0_left + height_left / 2.0;
+ thick_alu = 2.0*half_thick_alu;
+
+ par[0] = half_thick_qua1;
+ par[1] = 0.0;
+ par[2] = 0.0;
+ par[3] = height_left / 2.0 ;
+ par[4] = TMath::Tan(theta) * r0_left;
+ par[5] = TMath::Tan(theta) * r5_left;
+ par[6] = 0.0;
+ par[7] = height_left / 2.0 ;
+ par[8] = TMath::Tan(theta) * r0_left;
+ par[9] = TMath::Tan(theta) * r5_left;
+ par[10] = 0.0;
+
+ TTRAP *V0L0 = new TTRAP("V0L0", "V0L0", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
+
+
+ Float_t dist1_left;
+ Float_t r1_left;
+ Float_t offset_left;
+
+ dist1_left = (- height_left + height1_left) /2.0;
+ r1_left = r0_left + height1_left;
+ offset_left = - fThickness1/2.0 + 0.1;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height1_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r0_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r1_left- thick_alu;
+ par[7] = height1_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r0_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r1_left - thick_alu;
+
+ TTRAP *V0L1 = new TTRAP("V0L1", "V0L1", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
-
- Float_t parp[36];
+ Float_t dist2_left;
+ Float_t r2_left;
-// Mother Volume QBPM :
+ dist2_left = (- height_left + height2_left) /2.0 + height1_left;
+ r2_left = r1_left + height2_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height2_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r1_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[7] = height2_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r1_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r2_left - thick_alu;
- parp[0] = 0;
- parp[1] = 360;
- parp[2] = 11;
+ TTRAP *V0L2 = new TTRAP("V0L2", "V0L2", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
- parp[3] = - 90;
- parp[4] = 0;
- parp[5] = 5.8;
-
- parp[6] = - 81.0;
- parp[7] = 0.;
- parp[8] = 5.8;
-
- parp[9] = - 81.;
- parp[10] = 0.;
- parp[11] = 4.22;
- parp[12] = - 28.00;
- parp[13] = 0;
- parp[14] = 4.22;
-
- parp[15] = - 28.00;
- parp[16] = 0;
- parp[17] = 3.2;
-
- parp[18] = 0;
- parp[19] = 0;
- parp[20] = 3.2;
+
+ Float_t dist3_left;
+ Float_t r3_left;
+
+ dist3_left = (- height_left + height3_left) /2.0 + height1_left + height2_left;
+ r3_left = r2_left + height3_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height3_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[7] = height3_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r2_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r3_left - thick_alu;
+
+ TTRAP *V0L3 = new TTRAP("V0L3", "V0L3", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
+
+
+ Float_t dist4_left;
+ Float_t r4_left;
+
+ dist4_left = (- height_left + height4_left) /2.0 + height1_left
+ + height2_left + height3_left;
+ r4_left = r3_left + height4_left;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height4_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[7] = height4_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r3_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r4_left - thick_alu;
+
+ TTRAP *V0L4 = new TTRAP("V0L4", "V0L4", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
+
- parp[21] = 28.00;
- parp[22] = 0;
- parp[23] = 3.2;
+ Float_t dist5_left;
- parp[24] = 28.00;
- parp[25] = 0;
- parp[26] = 4.22;
+
+ dist5_left = (- height_left + height5_left) /2.0 + height1_left
+ + height2_left + height3_left + height4_left;
- parp[27] = 250;
- parp[28] = 0;
- parp[29] = 4.22;
+
+ par[0] = half_thick_qua1 - thick_alu;
+ par[3] = height5_left / 2.0 - thick_alu;
+ par[4] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[5] = TMath::Tan(theta) * r5_left - thick_alu;
+ par[7] = height5_left / 2.0 - thick_alu;
+ par[8] = TMath::Tan(theta) * r4_left - thick_alu;
+ par[9] = TMath::Tan(theta) * r5_left - thick_alu;
+
+ TTRAP *V0L5 = new TTRAP("V0L5", "V0L5", "void", par[0], par[1], par[2], par[3],
+ par[4], par[5], par[6], par[7], par[8], par[9], par[10]);
- parp[30] = 250;
- parp[31] = 0;
- parp[32] = 5;
- parp[33] = 800;
- parp[34] = 0;
- parp[35] = 5;
-
- TPCON *pip0 = new TPCON("pip0", "pip0", "void", parp[0], parp[1], parp[2]);
+ Int_t n_detec_L = 1;
+
+ for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
+ {
- pip0->DefineSection( 0, parp[3], parp[4], parp[5] );
- pip0->DefineSection( 1, parp[6], parp[7], parp[8] );
- pip0->DefineSection( 2, parp[9], parp[10], parp[11] );
- pip0->DefineSection( 3,parp[12], parp[13], parp[14] );
- pip0->DefineSection( 4,parp[15], parp[16], parp[17] );
- pip0->DefineSection( 5,parp[18], parp[19], parp[20] );
- pip0->DefineSection( 6,parp[21], parp[22], parp[23] );
- pip0->DefineSection( 7,parp[24], parp[25], parp[26] );
- pip0->DefineSection( 8,parp[27], parp[28], parp[29] );
- pip0->DefineSection( 9,parp[30], parp[31], parp[32] );
- pip0->DefineSection(10,parp[33], parp[34], parp[35] );
-
- dz = 0.0;
-
- Top->cd();
-
- Node3 = new TNode("pip0","pip0",pip0,0.0,0.0,dz,mat921);
- Node3->SetLineColor(10);
- fNodes->Add(Node3);
- Node3->SetVisibility(2);
-
-// Flanges QB29 at 654.8 and 254.8 cms :
-
- Float_t ptube[3];
-
- ptube[0] = 3.0;
- ptube[1] = 4.9;
- ptube[2] = 2.2;
+ TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
- TTUBE *pip1 = new TTUBE("pip1", "pip1", "void", ptube[0], ptube[1], ptube[2]);
+ phi_rad = phi*pi/180.;
+ xdet = dist0_left*TMath::Sin(phi_rad);
+ ydet = dist0_left*TMath::Cos(phi_rad);
+
+
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+
+ V0Lnode->cd();
+ V0Lnode0 = new TNode(NameNode,NameNode,V0L0,-xdet,ydet, offset_left + half_thick_qua1,mat920);
+ V0Lnode0->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode0);
+ n_detec_L++;
+
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+ V0Lnode0->cd();
+ V0Lnode1 = new TNode(NameNode,NameNode,V0L1,0.0,dist1_left, 0.0,0);
+ V0Lnode1->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode1);
+ n_detec_L++;
+
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+ V0Lnode0->cd();
+ V0Lnode2 = new TNode(NameNode,NameNode,V0L2,0.0,dist2_left, 0.0,0);
+ V0Lnode2->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode2);
+ n_detec_L++;
+
+
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+ V0Lnode0->cd();
+ V0Lnode3 = new TNode(NameNode,NameNode,V0L3,0.0,dist3_left, 0.0,0);
+ V0Lnode3->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode3);
+ n_detec_L++;
+
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+ V0Lnode0->cd();
+ V0Lnode4 = new TNode(NameNode,NameNode,V0L4,0.0,dist4_left, 0.0,0);
+ V0Lnode4->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode4);
+ n_detec_L++;
- Node3->cd();
+ sprintf(NameNode,"SUBDEL%d",n_detec_L);
+ V0Lnode0->cd();
+ V0Lnode5 = new TNode(NameNode,NameNode,V0L5,0.0,dist5_left, 0.0,0);
+ V0Lnode5->SetLineColor(kColorVZERO);
+ fNodes->Add(V0Lnode5);
+ n_detec_L++;
+ V0Lnode0->SetVisibility(2);
- Node4 = new TNode("pip1","pip1",pip1,0.0,0.0,254.8,0);
- Node4->SetLineColor(6);
- fNodes->Add(Node4);
-
- TTUBE *pip2 = new TTUBE("pip2", "pip2", "void", ptube[0], ptube[1], ptube[2]);
-
- Node3->cd();
-
- Node5 = new TNode("pip2","pip2",pip2,0.0,0.0,654.8,0);
- Node5->SetLineColor(6);
- fNodes->Add(Node5);
-
-
-// Al-Be section QBAB at 335.0 cm (LEFT side) :
-
- ptube[0] = 2.90;
- ptube[1] = 3.05;
- ptube[2] = 171.0;
-
- TTUBE *pip3 = new TTUBE("pip3", "pip3", "void", ptube[0], ptube[1], ptube[2]);
-
- Node3->cd();
+ }
- Node6 = new TNode("pip3","pip3",pip3,0.0,0.0,335.0+ptube[2],0);
- Node6->SetLineColor(6);
- fNodes->Add(Node6);
-
-// Here I add the flange which is sitting on beam line
-// right in front of V0R detector, and which I found on CERN drawing
-// entitled : ALICE BEAM VACCUM CHAMBER - RB26 version III :
-
- ptube[0] = 3.0;
- ptube[1] = 5.675;
- ptube[2] = 0.9;
-
- TTUBE *pip4 = new TTUBE("pip4", "pip4", "void", ptube[0], ptube[1], ptube[2]);
-
- Node3->cd();
-
-
- Node7 = new TNode("pip4","pip4",pip4,0.0,0.0,-85.0-0.9,0);
- Node7->SetLineColor(6);
- fNodes->Add(Node7);
-
- }
+
+}
//------------------------------------------------------------------------
void AliVZEROv0::CreateMaterials()
{
- Int_t i;
+ Int_t i;
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" VZERO create materials ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
+ printf("\n");
+ for(i=0;i<30;i++) printf("*");
+ printf(" VZERO create materials ");
+ for(i=0;i<30;i++) printf("*");
+ printf("\n");
+
-/* ................... OLD VALUES ( used in RICH) ............................
- 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 };
- 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. };
-...................................................................................... */
-
-
Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
+
+
+ Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
+ 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
- 1.662295, 1.68337 };
+ 1.662295, 1.68337 };
Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-
+
+
Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
1e-4,1e-4,1e-4,1e-4 };
Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
-
+
Int_t *idtmed = fIdtmed->GetArray()-2999;
// Definition of materials :
- AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500);
- AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500);
- AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9);
+ AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
+ AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
+ AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
- AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0);
+ AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
+ AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
Float_t tmaxfd, stemax, deemax, epsil, stmin;
- tmaxfd = -10.;
- stemax = -0.1;
- deemax = -0.1;
- epsil = -0.01;
- stmin = -0.001;
-
+ tmaxfd = 10.;
+ stemax = 0.1;
+ deemax = 0.1;
+ epsil = 0.001;
+ stmin = 0.001;
+
+ printf(" \n");
+ printf(" StepQua, StepAlu = %f %f \n",fMaxStepQua,fMaxStepAlu);
+ printf(" DeStepQua, DeStepAlu = %f %f \n",fMaxDestepQua,fMaxDestepAlu);
+ printf(" \n");
+
// Active Air :
- AliMedium(1, "ACTIVE AIR$", 1, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(1, "ACTIVE AIR$", 1, 1, ISXFLD, SXMGMX,
+ 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
// Inactive air :
- AliMedium(11, "INACTIVE AIR$", 11, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(11, "INACTIVE AIR$", 11, 0, ISXFLD, SXMGMX,
+ 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
- AliMedium(2, "CARBON$ ", 2, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(2, "CARBON$ ", 2, 1, ISXFLD, SXMGMX,
+ tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
- AliMedium(3, "QUARZ$", 3, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin);
+ AliMedium(3, "QUARZ$", 3, 1, ISXFLD, SXMGMX,
+ tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
- AliMedium(4,"ALUMINUM1$",4, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
- AliMedium(5,"ALUMINUM2$",5, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
- AliMedium(6,"SCINTILLATOR$",6, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
+ AliMedium(4,"ALUMINUM1$",4, 1, ISXFLD, SXMGMX,
+ tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
+
+
+ AliMedium(5,"ALUMINUM2$",5, 1, ISXFLD, SXMGMX,
+ tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
+
+ AliMedium(6,"SCINTILLATOR$",6, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003, 0, 0);
gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
gMC->Gstpar(idtmed[3000], "HADR", 1.);
gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
gMC->Gstpar(idtmed[3002], "HADR", 1.);
gMC->Gstpar(idtmed[3002], "DCAY", 1.);
- gMC->Gstpar(idtmed[3002], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3002], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
+ gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
gMC->Gstpar(idtmed[3003], "HADR", 1.);
gMC->Gstpar(idtmed[3004], "HADR", 1.);
gMC->Gstpar(idtmed[3004], "DCAY", 1.);
gMC->Gstpar(idtmed[3004], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
+ gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
gMC->Gstpar(idtmed[3005], "HADR", 1.);
gMC->Gstpar(idtmed[3005], "DCAY", 1.);
gMC->Gstpar(idtmed[3005], "DRAY", 1.);
- geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
-
- geant3->Gsckov(idtmed[3004], 14, ppckov, absco_alu, effic_alu, rindex_alu);
+ geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
+ geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
+
}
//---------------------------------------------------------------------
void AliVZEROv0::DrawModule()
Int_t i;
printf("\n");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
printf(" VZERO DrawModule ");
- for(i=0;i<35;i++) printf("*");
+ for(i=0;i<30;i++) printf("*");
printf("\n");
// Initialises version 0 of the VZERO Detector
// Just prints an information message
- Int_t i;
-
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" VZERO_Init \n");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
-
- fMulti = 0;
- fNCerenkovs = 0;
- fNGCerenkovs = 0;
- fNdead = 0;
-
- BookingHistograms();
+ printf(" VZERO version %d initialized \n",IsVersion());
+// gMC->SetMaxStep(fMaxStepAlu);
+// gMC->SetMaxStep(fMaxStepQua);
+
+// AliVZERO::Init();
+
}
//-------------------------------------------------------------------
void AliVZEROv0::StepManager()
{
-// Minimal version of StepManager :
-// Everything has been removed, I only AddHit whenever hit is in
-// volume V0RI.
-
- Int_t copy;
- Int_t vol[4]; // (box, layer, row, column) indices
- Float_t hits[19]; // position wrt MRS, energies...
+// (Very)Minimal version of StepManager
+
+
+ Int_t copy;
+ static Int_t vol[4];
+ static Float_t hits[15];
TLorentzVector pos;
- Float_t global[3];
- Float_t local[3];
- TLorentzVector momentum;
+ TLorentzVector mom;
Float_t theta;
Float_t phi;
- Float_t mom[4];
Float_t kRaddeg = 180/TMath::Pi();
+ Float_t RingNumber;
+
+ Int_t ipart;
- Float_t TrackEnters = 0.0;
- Float_t TrackExits = 0.0;
- Float_t Cerenkov = 0.0;
-
- gMC->SetMaxStep(fMaxStepAlu);
- gMC->SetMaxStep(fMaxStepQua);
-
- if (!gMC->IsTrackAlive()) return;
-
- if (gMC->IsTrackEntering()) TrackEnters = 1.0;
- if (gMC->IsTrackExiting() ) TrackExits = 1.0;
- if (gMC->TrackPid() == 50000050) Cerenkov = 1.0;
-
-
-
- gMC->TrackPosition(pos);
- gMC->TrackMomentum(momentum);
-
- mom[0] = momentum[0];
- mom[1] = momentum[1];
- mom[2] = momentum[2];
- mom[3] = momentum[3];
-
- Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
- Double_t rt = TMath::Sqrt(tc);
- theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
- phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
-
- global[0] = pos[0];
- global[1] = pos[1];
- global[2] = pos[2];
-
-
- gMC->Gmtod(global,local,1);
+
+// TGeant3 *geant3 = (TGeant3*) gMC;
+// Int_t Nphot = geant3->Gckin2()->ngphot;
- hits[0] = global[0];
- hits[1] = global[1];
- hits[2] = global[2];
- hits[3] = local[0];
- hits[4] = local[1];
- hits[5] = local[2];
- hits[6] = gMC->Edep();
- hits[7] = gMC->Etot();
- hits[8] = Float_t (gMC->TrackPid());
- hits[9] = Float_t (gMC->IdFromPDG(gMC->TrackPid()));
- hits[10] = gMC->TrackTime();
- hits[11] = TrackEnters;
- hits[12] = TrackExits;
- hits[13] = gMC->TrackCharge();
- hits[14] = Cerenkov;
+
+// Only charged tracks :
- hits[16] = theta;
- hits[17] = phi;
-
+ if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
+
+
vol[0] = gMC->CurrentVolOffID(1, vol[1]);
vol[2] = gMC->CurrentVolID(copy);
vol[3] = copy;
+ if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R1") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L1") )
+ RingNumber = 1.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R2") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L2") )
+ RingNumber = 2.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R3") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L3") )
+ RingNumber = 3.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R4") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L4") )
+ RingNumber = 4.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R5") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L5") )
+ RingNumber = 5.0;
+ else
+ RingNumber = 0.0;
+
+ if (gMC->IsTrackEntering() && RingNumber > 0.5) {
+
+ gMC->TrackPosition(pos);
+
+ gMC->TrackMomentum(mom);
+ Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
+ Double_t Pt = TMath::Sqrt(tc);
+ Double_t Pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
- if (gMC->CurrentVolID(copy) >= gMC->VolId("V0RI") &&
- gMC->CurrentVolID(copy) <= gMC->VolId("V0E4"))
- {
- AddHit(gAlice->CurrentTrack(), vol, hits);
- }
-
- }
-
-//---------------------------------------------------------------------
-void AliVZEROv0::AddHit(Int_t track, Int_t* vol, Float_t* hits)
-{
-
- // Adds a hit
-
-
- TClonesArray &lhits = *fHits;
-
- new(lhits[fNhits++]) AliVZEROhit(fIshunt, track, vol, hits);
-
+ theta = Float_t(TMath::ATan2(Pt,Double_t(mom[2])))*kRaddeg;
+ phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
+
+ ipart = gMC->TrackPid();
+
+ hits[0] = pos[0];
+ hits[1] = pos[1];
+ hits[2] = pos[2];
+ hits[3] = ipart;
+
+// Float_t ttime = gMC->TrackTime();
+// hits[4] = ttime*1e9;
+
+ hits[4] = gMC->TrackTime();
+ hits[5] = gMC->TrackCharge();
+ hits[6] = theta;
+ hits[7] = phi;
+ hits[8] = RingNumber;
+
+ hits[9] = Pt;
+ hits[10] = Pmom;
+ hits[11] = mom[0];
+ hits[12] = mom[1];
+ hits[13] = mom[2];
+
+
+ AddHit(gAlice->CurrentTrack(), vol, hits);
+
+ }
+
}
-//---------------------------------------------------------------------
-void AliVZEROv0::FinishEvent()
+//_____________________________________________________________________________
+void AliVZEROv0::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
-
- printf("\n");
- for(int i=0;i<30;i++) printf("*");
- printf(" VZERO_finishevent");
- for(int i=0;i<30;i++) printf("*");
- printf("\n");
-
- AddDigit(tracks, digits);
-
-
- if(fMulti > 0) fhMultiplicity->Fill(fMulti);
- fhCerenkov->Fill(fNCerenkovs);
+ //
+ // Add a VZERO hit
+ //
- fMulti = 0;
- fNCerenkovs = 0;
- fNGCerenkovs = 0;
- fNdead = 0;
-
+ TClonesArray &lhits = *fHits;
+ new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
}
//---------------------------------------------------------------------
-void AliVZEROv0::AddDigit(Int_t *tracks, Int_t* digits)
+void AliVZEROv0::AddDigits(Int_t *tracks, Int_t* digits)
{
TClonesArray &ldigits = *fDigits;
-
new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
-
}
-
//---------------------------------------------------------------------
void AliVZEROv0::MakeBranch(Option_t *option)
{
char branchname[10];
sprintf(branchname,"%s",GetName());
-
+ printf(" fBufferSize = %d \n",fBufferSize);
char *H = strstr(option,"H");
if (fDigits && gAlice->TreeD() && D) {
gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname);
- }
-
-
-}
-
-//---------------------------------------------------------------------
-void AliVZEROv0::BookingHistograms()
-{
-
- if (fhMultiplicity)
- delete fhMultiplicity;
-
- if (fhGEANTcode)
- delete fhGEANTcode;
-
- if (fhCerenkov)
- delete fhCerenkov;
-
- if (fhToF)
- delete fhToF;
-
-// fhMultiplicity = new TH1F("hMultiplicity", "hMultiplicity", 350, 0. , 350.);
-
- fhMultiplicity = new TH1F("hMultiplicity", "hMultiplicity", 100, 1. , 100.);
- fhGEANTcode = new TH1F("hGEANTcode", "hGEANTcode", 50, 1., 50.);
- fhCerenkov = new TH1F("hCerenkov", "hCerenkov", 100, 1., 100000.);
- fhToF = new TH1F("hToF", "hToF",150,2.0,7.0);
-
-}
-
-//---------------------------------------------------------------------
-void AliVZEROv0::FinishRun()
-{
-
- SavingHistograms();
-}
-
-
-
-//---------------------------------------------------------------------
-void AliVZEROv0::SavingHistograms()
-{
-
-// Saves the histograms in a root file named "name.save"
-
-
- Text_t outputname[8] ;
- outputname = "Fileout";
- TFile output(outputname,"RECREATE");
- output.cd();
-
- if (fhMultiplicity)
- fhMultiplicity->Write();
- if (fhGEANTcode)
- fhGEANTcode->Write();
- if (fhCerenkov)
- fhCerenkov->Write();
- if (fhToF)
- fhToF->Write();
+ }
+
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff