// (V-zero) detector version 2 as designed by the Lyon group //
// All comments should be sent to Brigitte CHEYNIS : //
// b.cheynis@ipnl.in2p3.fr //
-// Geometry of the 19th of april 2002 //
+// Geometry of the 4th of november 2002 //
// (circular instead of trapezoidal shapes as in previous versions //
+// plus changes in cell dimensions and offsets) //
// //
//////////////////////////////////////////////////////////////////////
#include <TMath.h>
+#include <TTree.h>
+#include <TParticle.h>
#include <TGeometry.h>
#include <TTRD2.h>
#include <TCONE.h>
#include "AliVZEROv2.h"
#include "AliRun.h"
#include "AliMagF.h"
-#include "AliMC.h"
#include "AliVZEROhit.h"
#include "AliVZEROdigit.h"
#include <Riostream.h>
AliVZEROv2:: AliVZEROv2():AliVZERO()
{
-
}
//--------------------------------------------------------------------
AliVZEROv2::AliVZEROv2(const char *name, const char *title):
// Standard constructor for V-zeroR Detector (right part) version 0
-
Int_t i;
printf("\n");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<26;i++) printf("*");
printf(" Create VZERO object ");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<26;i++) printf("*");
printf("\n");
}
{
// Creates the GEANT geometry of the V-zero Detector version 2
-
Int_t i;
printf("\n");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<26;i++) printf("*");
printf(" Create VZERO Geometry ");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<26;i++) printf("*");
printf("\n");
-
-
+
Int_t *idtmed = fIdtmed->GetArray()-2999;
Int_t n_detec_R = 1;
Float_t zdet;
Float_t r0, r5;
Float_t pi = TMath::Pi();
-
-
- 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
+
+ height1 = 1.82; // height of cell 1, in cm
+ height2 = 3.81; // height of cell 2, in cm
+ height3 = 4.72; // height of cell 3, in cm
+ height4 = 7.12; // height of cell 4, in cm
+ height5 = 10.83; // height of cell 5, in cm
theta = pi/6.0/2.0; // half angular opening = 15 degrees
-
-
+
half_thick_qua = fThickness1/2.0; // half thickness of elementary cell (inner ring)
-
-
- zdet = 86.9 +fThickness/2.0; // distance to vertex (along Z axis)
- r0 = 4.0; // closest distance to center of the beam pipe
+
+ zdet = 90.0 - 0.6 -fThickness/2.0; // distance to vertex (along Z axis)
+ r0 = 4.05; // closest distance to center of the beam pipe
height = height1 + height2 + height3 + height4 + height5;
r5 = r0 + height;
-
// Creation of mother volume V0LE - left part - :
// Entrance face at -350.0 cm ...
partube[2] = fThickness1/2.0;
gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
-
-
+
// Creation of five rings - left part - :
// Entrance face at -350.0 cm ...
// Mother volume V0L0 in which will be set 5 scintillator cells
-
Float_t partubs[5];
Float_t r0_left = 4.3;
+ height4_left + height5_left;
Float_t r5_left = r0_left + height_left;
-
partubs[0] = r0_left;
partubs[1] = r5_left;
partubs[2] = fThickness1/2.0;
partubs[0] = r3_left;
partubs[1] = r4_left;
-
gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
partubs[3] = 90.0-15.0;
partubs[4] = 120.0-30.0;
-
gMC->Gsvolu("V0L5","TUBS",idtmed[3005],partubs,5); // quartz volume
gMC->Gspos("V0L5",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
-
partubs[3] = 120.0-30.0;
partubs[4] = 120.0-15.0;
-
gMC->Gsvolu("V0L6","TUBS",idtmed[3005],partubs,5); // quartz volume
gMC->Gspos("V0L6",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
// Creation of mother volume V0RI - right part - :
-
partube[0] = r0 - 0.2;
partube[1] = r5 + 1.0;
partube[2] = fThickness/2.0;
-
-
+
gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
-// Creation of carbon lids (1 mm thick) to keep V0RI box shut...
-
+// Creation of carbon lids (3 mm thick) to keep V0RI box shut...
partube[0] = r0;
partube[1] = r5;
- partube[2] = +0.1/2.0;
-
-
+ partube[2] = +0.3/2.0;
+
gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
partube[0] = r0 - 0.2;
partube[1] = r0;
partube[2] = +fThickness/2.0;
-
-
+
gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
partube[1] = r5 + 1.0;
partube[2] = +fThickness/2.0;
-
gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
// Mother volume V0R0 in which will be set 5 scintillator cells
-
partubs[0] = r0;
partubs[1] = r5;
partubs[3] = 90.0-15.0;
partubs[4] = 120.0-15.0;
- gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
-
+ gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
// Elementary cell of ring 1 :
// (the cells will be shifted by 3 mm to output fibers)
- Float_t offset_fibers = 0.3;
- Float_t offset = -fThickness/2.0 + 0.1;
+ Float_t offset_fibers = 0.7;
+ Float_t offset = fThickness/2.0 - 0.3 - fThickness1/2.0;
Float_t r1 = r0 + height1;
partubs[0] = r0;
partubs[2] = fThickness1/2.0;
gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , 0.0, 0,"ONLY");
+ gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , offset, 0,"ONLY");
// Elementary cell of ring 2 :
partubs[1] = r2;
gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , offset_fibers, 0,"ONLY");
+ gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , offset - offset_fibers, 0,"ONLY");
// Elementary cell of ring 3 :
partubs[1] = r3;
gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , 2.0 * offset_fibers, 0,"ONLY");
+ gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , offset - 2.0 * offset_fibers, 0,"ONLY");
// Elementary cell of ring 4 :
partubs[1] = r4;
gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , 3.0 * offset_fibers, 0,"ONLY");
+ gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , offset - 3.0 * offset_fibers, 0,"ONLY");
// Elementary cells of ring 5 :
partubs[3] = 90.0-15.0;
partubs[4] = 120.0-30.0;
-
gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , 4.0 * offset_fibers, 0,"ONLY");
-
+ gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , offset - 4.0 * offset_fibers, 0,"ONLY");
partubs[3] = 120.0-30.0;
partubs[4] = 120.0-15.0;
-
gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume
- gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , 4.0 * offset_fibers, 0,"ONLY");
-
-
+ gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , offset - 4.0 * offset_fibers, 0,"ONLY");
+
Float_t phi_deg = 180./6.;
// Right part :
{
AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
gMC->Gspos("V0R0",n_detec_R,"V0RI",0.0,
- 0.0,offset + half_thick_qua,idrotm[902],"ONLY");
+ 0.0,0.0,idrotm[902],"ONLY");
n_detec_R++;
}
-
gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,zdet,0,"ONLY");
- n_cells_R = (n_detec_R - 1) * 5;
- printf(" \n\n\n");
+ n_cells_R = (n_detec_R - 1) * 6;
printf(" Number of cells on Right side = %d\n", n_cells_R);
// Left part :
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);
-
-
+ n_cells_L = (n_detec_L - 1) * 6;
+ printf(" Number of cells on Left side = %d\n", n_cells_L);
+ for(i=0;i<75;i++) printf("*");
+ printf("\n");
+
}
-
-
-
+
//_____________________________________________________________________________
void AliVZEROv2::BuildGeometry()
{
// Builds simple ROOT TNode geometry for event display
-
Int_t i;
printf("\n");
Float_t zdet;
Float_t r0, r5;
Float_t pi = TMath::Pi();
-
-
- 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
-
+
+ height1 = 1.82; // height of cell 1, in cm
+ height2 = 3.81; // height of cell 2, in cm
+ height3 = 4.72; // height of cell 3, in cm
+ height4 = 7.12; // height of cell 4, in cm
+ height5 = 10.83; // height of cell 5, in cm
+
theta = pi/6.0/2.0;
half_thick_qua = fThickness1/2.0;
- zdet = 86.9 +fThickness/2.0;
- r0 = 4.0;
+ zdet = 90.0 - 0.6 - fThickness/2.0;
+ r0 = 4.05;
height = height1 + height2 + height3 + height4 + height5;
r5 = r0 + height;
V0Rnode = new TNode("V0RI","V0RI",V0RI,0.0,0.0,+zdet,0);
- V0Rnode->SetLineColor(kBlue);
- fNodes->Add(V0Rnode);
-
- V0Rnode->SetVisibility(2);
-
-
-// Rondelles de carbone (epaisseur 1 mm) de maintien des cellules ...
-
+ V0Rnode->SetLineColor(kYellow);
+ fNodes->Add(V0Rnode);
+ V0Rnode->SetVisibility(2);
+// Rondelles de carbone (epaisseur 3 mm) de maintien des cellules ...
+
partube[0] = r0;
partube[1] = r5;
- partube[2] = +0.1/2.0;
+ partube[2] = +0.3/2.0;
TTUBE *V0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]);
partube[2] = +fThickness/2.0;
TTUBE *V0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]);
-
V0Rnode->cd();
V0Rnode8 = new TNode("V0IR", "V0IR",V0IR,0.0,0.0,0.0,0);
partubs[3] = 90.0-15.0;
partubs[4] = 120.0-15.0;
-
TTUBS *V0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2],
partubs[3], partubs[4]);
- V0R0->SetNumberOfDivisions(ndiv);
- V0R0->SetLineColor(7);
+ V0R0->SetNumberOfDivisions(ndiv);
Float_t r1 = r0 + height1;
- Float_t offset = - fThickness/2.0 + 0.1;
- Float_t offset_fibers = 0.3;
+ Float_t offset = fThickness/2.0 - 0.3 - fThickness1/2.0;
+ Float_t offset_fibers = 0.7;
partubs[0] = r0;
partubs[1] = r1;
V0R1->SetNumberOfDivisions(ndiv);
Float_t r2 = r1 + height2;
-
partubs[0] = r1;
partubs[1] = r2;
V0R2->SetNumberOfDivisions(ndiv);
Float_t r3 = r2 + height3;
-
partubs[0] = r2;
partubs[1] = r3;
TTUBS *V0R5 = new TTUBS("V0R5", "V0R5", "void", partubs[0], partubs[1], partubs[2],
partubs[3], partubs[4]);
-
V0R5->SetNumberOfDivisions(ndiv);
partubs[3] = 120.0-30.0;
TTUBS *V0R6 = new TTUBS("V0R6", "V0R6", "void", partubs[0], partubs[1], partubs[2],
partubs[3], partubs[4]);
-
V0R6->SetNumberOfDivisions(ndiv);
-
Float_t phi;
Float_t phi_deg= 180./6.;
-
-
+
Int_t n_detec_R = 1;
char NameNode[12];
-
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 );
-
-
+
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode->cd();
- V0Rnode0 = new TNode(NameNode,NameNode,V0R0,0.0,0.0, offset + half_thick_qua,mat920);
- V0Rnode0->SetLineColor(kColorVZERO);
+ V0Rnode0 = new TNode(NameNode,NameNode,V0R0,0.0,0.0, 0.0,mat920);
+ V0Rnode0->SetLineColor(kYellow);
fNodes->Add(V0Rnode0);
n_detec_R++;
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode1 = new TNode(NameNode,NameNode,V0R1,0.0,0.0, 0.0,0);
+ V0Rnode1 = new TNode(NameNode,NameNode,V0R1,0.0,0.0, offset,0);
V0Rnode1->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode1);
n_detec_R++;
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode2 = new TNode(NameNode,NameNode,V0R2,0.0,0.0, offset_fibers,0);
+ V0Rnode2 = new TNode(NameNode,NameNode,V0R2,0.0,0.0, offset - offset_fibers,0);
V0Rnode2->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode2);
n_detec_R++;
-
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode3 = new TNode(NameNode,NameNode,V0R3,0.0,0.0, 2.0*offset_fibers,0);
+ V0Rnode3 = new TNode(NameNode,NameNode,V0R3,0.0,0.0, offset - 2.0*offset_fibers,0);
V0Rnode3->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode3);
n_detec_R++;
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode4 = new TNode(NameNode,NameNode,V0R4,0.0,0.0, 3.0*offset_fibers,0);
+ V0Rnode4 = new TNode(NameNode,NameNode,V0R4,0.0,0.0, offset - 3.0*offset_fibers,0);
V0Rnode4->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode4);
n_detec_R++;
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode5 = new TNode(NameNode,NameNode,V0R5,0.0,0.0, 4.0*offset_fibers,0);
+ V0Rnode5 = new TNode(NameNode,NameNode,V0R5,0.0,0.0, offset - 4.0*offset_fibers,0);
V0Rnode5->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode5);
n_detec_R++;
sprintf(NameNode,"SUBDER%d",n_detec_R);
V0Rnode0->cd();
- V0Rnode6 = new TNode(NameNode,NameNode,V0R6,0.0,0.0, 4.0*offset_fibers,0);
+ V0Rnode6 = new TNode(NameNode,NameNode,V0R6,0.0,0.0, offset - 4.0*offset_fibers,0);
V0Rnode6->SetLineColor(kColorVZERO);
fNodes->Add(V0Rnode6);
n_detec_R++;
}
-
-
// Left side of VZERO :
-
Float_t r0_left = 4.3;
Float_t height1_left = 2.6;
TTUBS *V0L6 = new TTUBS("V0L6", "V0L6", "void", partubs[0], partubs[1], partubs[2],
partubs[3], partubs[4]);
-
V0L6->SetNumberOfDivisions(ndiv);
Int_t n_detec_L = 1;
-
for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
V0Lnode0->SetVisibility(2);
}
-
}
-
//------------------------------------------------------------------------
void AliVZEROv2::CreateMaterials()
{
Int_t i;
printf("\n");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<25;i++) printf("*");
printf(" VZERO create materials ");
- for(i=0;i<30;i++) printf("*");
+ for(i=0;i<26;i++) printf("*");
printf("\n");
/*
Int_t copy;
static Int_t vol[4];
- static Float_t hits[16];
+ static Float_t hits[19];
static Float_t eloss, tlength;
TLorentzVector pos;
hits[0] = pos[0];
hits[1] = pos[1];
hits[2] = pos[2];
- hits[3] = ipart;
+ hits[3] = Float_t (ipart);
hits[4] = gMC->TrackTime();
hits[5] = gMC->TrackCharge();
hits[11] = mom[0];
hits[12] = mom[1];
hits[13] = mom[2];
-
+
+ TParticle *par = gAlice->Particle(gAlice->CurrentTrack());
+ hits[14] = par->Vx();
+ hits[15] = par->Vy();
+ hits[16] = par->Vz();
+
tlength = 0.0;
eloss = 0.0;
if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
- hits[14] = eloss;
- hits[15] = tlength;
+ hits[17] = eloss;
+ hits[18] = tlength;
AddHit(gAlice->CurrentTrack(), vol, hits);
-
+
tlength = 0.0;
eloss = 0.0;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff