* provided "as is" without express or implied warranty. *
**************************************************************************/
-/* $Id$ */
///////////////////////////////////////////////////////////////////////
// //
-// AliZDCv2 --- new ZDC geometry, //
+// AliZDCv2 --- new ZDC geometry //
// with the EM ZDC at about 10 m from IP //
// Just one set of ZDC is inserted //
// (on the same side of the dimuon arm realtive to IP) //
+// Compensator in ZDC geometry (Nov. 2004) //
// //
///////////////////////////////////////////////////////////////////////
#include "stdio.h"
// --- ROOT system
-#include <TBRIK.h>
-#include <TLorentzVector.h>
#include <TMath.h>
-#include <TNode.h>
#include <TRandom.h>
#include <TSystem.h>
#include <TTree.h>
#include <TVirtualMC.h>
+#include <TGeoManager.h>
// --- AliRoot classes
#include "AliConst.h"
-#include "AliDetector.h"
#include "AliMagF.h"
-#include "AliPDG.h"
#include "AliRun.h"
-#include "AliZDCHit.h"
#include "AliZDCv2.h"
#include "AliMC.h"
+class AliZDCHit;
+class AliPDG;
+class AliDetector;
ClassImp(AliZDCv2)
//_____________________________________________________________________________
-AliZDCv2::AliZDCv2() : AliZDC()
+AliZDCv2::AliZDCv2() :
+ AliZDC(),
+ fMedSensF1(0),
+ fMedSensF2(0),
+ fMedSensZP(0),
+ fMedSensZN(0),
+ fMedSensZEM(0),
+ fMedSensGR(0),
+ fMedSensPI(0),
+ fMedSensTDI(0),
+ fNalfan(0),
+ fNalfap(0),
+ fNben(0),
+ fNbep(0),
+ fZEMLength(0),
+ fpLostIT(0),
+ fpLostD1(0),
+ fpLostTDI(0),
+ fpDetected(0),
+ fnDetected(0)
{
//
// Default constructor for Zero Degree Calorimeter
//
- fMedSensF1 = 0;
- fMedSensF2 = 0;
- fMedSensZN = 0;
- fMedSensZP = 0;
- fMedSensZEM = 0;
- fMedSensGR = 0;
-// fMedSensPI = 0;
-// fMedSensTDI = 0;
}
//_____________________________________________________________________________
AliZDCv2::AliZDCv2(const char *name, const char *title)
- : AliZDC(name,title)
+ : AliZDC(name,title),
+ fMedSensF1(0),
+ fMedSensF2(0),
+ fMedSensZP(0),
+ fMedSensZN(0),
+ fMedSensZEM(0),
+ fMedSensGR(0),
+ fMedSensPI(0),
+ fMedSensTDI(0),
+ fNalfan(90),
+ fNalfap(90),
+ fNben(18),
+ fNbep(28),
+ fZEMLength(0),
+ fpLostIT(0),
+ fpLostD1(0),
+ fpLostTDI(0),
+ fpDetected(0),
+ fnDetected(0)
+
+
{
//
// Standard constructor for Zero Degree Calorimeter
//
// Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
- AliModule* PIPE=gAlice->GetModule("PIPE");
- AliModule* ABSO=gAlice->GetModule("ABSO");
- AliModule* DIPO=gAlice->GetModule("DIPO");
- AliModule* SHIL=gAlice->GetModule("SHIL");
- if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
+ AliModule* pipe=gAlice->GetModule("PIPE");
+ AliModule* abso=gAlice->GetModule("ABSO");
+ AliModule* dipo=gAlice->GetModule("DIPO");
+ AliModule* shil=gAlice->GetModule("SHIL");
+ if((!pipe) || (!abso) || (!dipo) || (!shil)) {
Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
exit(1);
}
fDimZP[2] = 75.;
fPosZN[0] = 0.;
fPosZN[1] = 1.2;
- fPosZN[2] = 11650.;
- fPosZP[0] = -23.9;
+ fPosZN[2] = -11650.;
+ fPosZP[0] = 23.9;
fPosZP[1] = 0.;
- fPosZP[2] = 11600.;
+ fPosZP[2] = -11600.;
fFibZN[0] = 0.;
fFibZN[1] = 0.01825;
fFibZN[2] = 50.;
// Parameters for EM calorimeter geometry
fPosZEM[0] = 8.5;
fPosZEM[1] = 0.;
-// fPosZEM[2] = -830.;
- fPosZEM[2] = -735.;
- fZEMLength = 0.;
-
+ fPosZEM[2] = 735.;
+
+ Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
+ Float_t kDimZEMAir = 0.001; // scotch
+ Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
+ Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
+ Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
+ fZEMLength = kDimZEM0;
+
}
//_____________________________________________________________________________
//_____________________________________________________________________________
void AliZDCv2::CreateBeamLine()
{
+ //
+ // Create the beam line elements
+ //
- Float_t zq, zd1, zd2;
+ Float_t zc, zq, zd1, zd2;
Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
Int_t im1, im2;
Int_t *idtmed = fIdtmed->GetArray();
// -- Mother of the ZDCs (Vacuum PCON)
-
- zd1 = 2092.;
+ // zd1 = 2092.; // (Without compensator in ZDC geometry)
+ zd1 = 1921.6;
conpar[0] = 0.;
conpar[1] = 360.;
conpar[2] = 2.;
- conpar[3] = zd1;
+ conpar[3] = -13500.;
conpar[4] = 0.;
conpar[5] = 55.;
- conpar[6] = 13500.;
+ conpar[6] = -zd1;
conpar[7] = 0.;
conpar[8] = 55.;
gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
// -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
// the beginning of D1)
-
tubpar[0] = 6.3/2.;
tubpar[1] = 6.7/2.;
// From beginning of ZDC volumes to beginning of D1
tubpar[2] = (5838.3-zd1)/2.;
gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT01", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT01 TUBE pipe from z = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
//-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
// beginning of D2)
tubpar[1] = 3.47+0.2;
tubpar[2] = 958.5/2.;
gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT02", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += 2.*tubpar[2];
conpar[0] = 25./2.;
- conpar[1] = 6.44/2.;
- conpar[2] = 6.84/2.;
- conpar[3] = 10./2.;
- conpar[4] = 10.4/2.;
+ conpar[1] = 10./2.;
+ conpar[2] = 10.4/2.;
+ conpar[3] = 6.44/2.;
+ conpar[4] = 6.84/2.;
gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
- gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QC01", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
zd1 += 2.*conpar[0];
tubpar[1] = 10.4/2.;
tubpar[2] = 50./2.;
gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT03", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2]*2.;
tubpar[1] = 10.4/2.;
tubpar[2] = 10./2.;
gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT04", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
tubpar[1] = 10.4/2.;
tubpar[2] = 3.16/2.;
gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QT05", 1, "ZDC ", 0., 0., -tubpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
tubpar[1] = 10.4/2;
tubpar[2] = 190./2.;
gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT06", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
conpar[0] = 30./2.;
- conpar[1] = 10./2.;
- conpar[2] = 10.4/2.;
- conpar[3] = 20.6/2.;
- conpar[4] = 21./2.;
+ conpar[1] = 20.6/2.;
+ conpar[2] = 21./2.;
+ conpar[3] = 10./2.;
+ conpar[4] = 10.4/2.;
gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
- gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QC02", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
zd1 += conpar[0] * 2.;
tubpar[1] = 21./2.;
tubpar[2] = 450./2.;
gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT07", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
conpar[0] = 13.6/2.;
- conpar[1] = 20.6/2.;
- conpar[2] = 21./2.;
- conpar[3] = 25.4/2.;
- conpar[4] = 25.8/2.;
+ conpar[1] = 25.4/2.;
+ conpar[2] = 25.8/2.;
+ conpar[3] = 20.6/2.;
+ conpar[4] = 21./2.;
gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
- gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QC03", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
zd1 += conpar[0] * 2.;
tubpar[1] = 25.8/2.;
tubpar[2] = 205.8/2.;
gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT08", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
// QT09 is 10 cm longer to accomodate TDI
tubpar[2] = 515.4/2.;
gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT09", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT09 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
// --- Insert TDI (inside ZDC volume)
-
boxpar[0] = 5.6;
boxpar[1] = 5.6;
boxpar[2] = 400./2.;
gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
- gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
- gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
+ gMC->Gspos("QTD1", 1, "ZDC ", -3., 10.6, -tubpar[2]-zd1-56.3, 0, "ONLY");
+ gMC->Gspos("QTD1", 2, "ZDC ", -3., -10.6, -tubpar[2]-zd1-56.3, 0, "ONLY");
boxpar[0] = 0.2/2.;
boxpar[1] = 5.6;
boxpar[2] = 400./2.;
gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
- gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
+ gMC->Gspos("QTD2", 1, "ZDC ", -8.6-boxpar[0], 0., -tubpar[2]-zd1-56.3, 0, "ONLY");
-// tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
-// tubspar[1] = 6.4;
-// tubspar[2] = 400./2.;
-// tubspar[3] = 180.-62.5;
-// tubspar[4] = 180.+62.5;
tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
tubspar[1] = 10.7;
tubspar[2] = 400./2.;
- tubspar[3] = 180.-75.5;
- tubspar[4] = 180.+75.5;
+ tubspar[3] = 360.-75.5;
+ tubspar[4] = 75.5;
gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
- gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
+ gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., -tubpar[2]-zd1-56.3, 0, "ONLY");
+ // Ch.debug
+ //printf("\n TDI volume from z = %f to z= %f\n",-tubpar[2]-zd1-56.3,-tubpar[2]-zd1-56.3-400.);
zd1 += tubpar[2] * 2.;
// QT10 is 10 cm shorter
tubpar[2] = 690./2.;
gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT10", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT10 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
tubpar[1] = 50.4/2.;
tubpar[2] = 778.5/2.;
gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT11", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT11 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
conpar[0] = 14.18/2.;
- conpar[1] = 50./2.;
- conpar[2] = 50.4/2.;
- conpar[3] = 55./2.;
- conpar[4] = 55.4/2.;
+ conpar[1] = 55./2.;
+ conpar[2] = 55.4/2.;
+ conpar[3] = 50./2.;
+ conpar[4] = 50.4/2.;
gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
- gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QC04", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
zd1 += conpar[0] * 2.;
tubpar[1] = 55.4/2.;
tubpar[2] = 730./2.;
gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT12", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT12 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
conpar[0] = 36.86/2.;
- conpar[1] = 55./2.;
- conpar[2] = 55.4/2.;
- conpar[3] = 68./2.;
- conpar[4] = 68.4/2.;
+ conpar[1] = 68./2.;
+ conpar[2] = 68.4/2.;
+ conpar[3] = 55./2.;
+ conpar[4] = 55.4/2.;
gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
- gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
+ gMC->Gspos("QC05", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
zd1 += conpar[0] * 2.;
tubpar[1] = 68.4/2.;
tubpar[2] = 927.3/2.;
gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT13", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT13 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
tubpar[1] = 68.4/2.;
tubpar[2] = 0.2/2.;
gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
- gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("QT14", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
+ // Ch.debug
+ //printf("\n QT14 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
zd1 += tubpar[2] * 2.;
tubpar[1] = 6.4/2.;
tubpar[2] = 0.2/2.;
gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
-
//-- Position QT15 inside QT14
gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
-
- tubpar[0] = 0./2.;
- tubpar[1] = 6.4/2.;
- tubpar[2] = 0.2/2.;
- gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
-
+
+ gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
//-- Position QT16 inside QT14
gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
// -- ROTATE PIPES
-
- Float_t angle = 0.143*kDegrad;
+ Float_t angle = 0.143*kDegrad; // Rotation angle
- AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
+ //AliMatrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
+ gMC->Matrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
- 0., tubpar[2] + zd1, im1, "ONLY");
+ 0., -tubpar[2]-zd1, im1, "ONLY");
- AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
+ //AliMatrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
+ gMC->Matrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
- 0., tubpar[2] + zd1, im2, "ONLY");
-
- // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
- // -- 25 Mar 2003 -> This seem to be no longer needed
- /*
- Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
- tubpar[0] = 8.0/2.;
- tubpar[1] = 8.2/2.;
- tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
- gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("QT19", 1, "ALIC", 0., 0., zb - tubpar[2], 0, "ONLY");
- */
-
+ 0., -tubpar[2]-zd1, im2, "ONLY");
+
// -- END OF BEAM PIPE VOLUME DEFINITION.
// ----------------------------------------------------------------
- // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
-
- // ----------------------------------------------------------------
- // Replaced by the muon dipole
// ----------------------------------------------------------------
- // -- COMPENSATOR DIPOLE (MBXW)
- // GAP (VACUUM WITH MAGNETIC FIELD)
+ // -- MAGNET DEFINITION -> LHC OPTICS 6.5
+ // ----------------------------------------------------------------
+ // -- COMPENSATOR DIPOLE (MBXW)
+ zc = 1921.6;
-// tubpar[0] = 0.;
-// tubpar[1] = 4.5;
-// tubpar[2] = 340./2.;
-// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
-// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
-
- // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
-
-// tubpar[0] = 4.5;
-// tubpar[1] = 55.;
-// tubpar[2] = 340./2.;
-// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
-// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
-
- // ----------------------------------------------------------------
- // Replaced by the second dipole
- // ----------------------------------------------------------------
- // -- COMPENSATOR DIPOLE (MCBWA)
- // GAP (VACUUM WITH MAGNETIC FIELD)
-
-// tubpar[0] = 0.;
-// tubpar[1] = 4.5;
-// tubpar[2] = 170./2.;
-// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
-// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
-
- // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
+ // -- GAP (VACUUM WITH MAGNETIC FIELD)
+ tubpar[0] = 0.;
+ tubpar[1] = 4.5;
+ tubpar[2] = 170./2.;
+ gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
+
+ // -- YOKE
+ tubpar[0] = 4.5;
+ tubpar[1] = 55.;
+ tubpar[2] = 170./2.;
+ gMC->Gsvolu("YMBX", "TUBE", idtmed[13], tubpar, 3);
+
+ gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., -tubpar[2]-zc, 0, "ONLY");
+ gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., -tubpar[2]-zc, 0, "ONLY");
-// tubpar[0] = 4.5;
-// tubpar[1] = 55.;
-// tubpar[2] = 170./2.;
-// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
-// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
// -- INNER TRIPLET
-
- zq = 2296.5;
-
+ zq = 2296.5;
+
// -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
-
- // MQXL
+ // -- MQXL
// -- GAP (VACUUM WITH MAGNETIC FIELD)
-
tubpar[0] = 0.;
tubpar[1] = 3.5;
tubpar[2] = 637./2.;
gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
- // -- YOKE
+ // -- YOKE
tubpar[0] = 3.5;
tubpar[1] = 22.;
tubpar[2] = 637./2.;
gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
- gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
+ gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., -tubpar[2]-zq, 0, "ONLY");
+ gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., -tubpar[2]-zq, 0, "ONLY");
- gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
- gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
+ gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., -tubpar[2]-zq-2430., 0, "ONLY");
+ gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., -tubpar[2]-zq-2430., 0, "ONLY");
// -- MQX
// -- GAP (VACUUM WITH MAGNETIC FIELD)
-
tubpar[0] = 0.;
tubpar[1] = 3.5;
tubpar[2] = 550./2.;
gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
// -- YOKE
-
tubpar[0] = 3.5;
tubpar[1] = 22.;
tubpar[2] = 550./2.;
gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
- /*gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
- gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");*/
- // --- LHC optics v6.4
- gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 908.5, 0, "ONLY");
- gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 908.5, 0, "ONLY");
+ gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
+ gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
- /*gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
- gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");*/
- // --- LHC optics v6.4
- gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1558.5, 0, "ONLY");
- gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1558.5, 0, "ONLY");
+ gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
+ gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
// -- SEPARATOR DIPOLE D1
-
zd1 = 5838.3;
// -- GAP (VACUUM WITH MAGNETIC FIELD)
-
tubpar[0] = 0.;
tubpar[1] = 6.94/2.;
tubpar[2] = 945./2.;
// -- Insert horizontal Cu plates inside D1
// -- (to simulate the vacuum chamber)
-
- boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
+ boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
boxpar[1] = 0.2/2.;
boxpar[2] =945./2.;
gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
// -- YOKE
-
tubpar[0] = 0.;
tubpar[1] = 110./2;
tubpar[2] = 945./2.;
gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
+ gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
// -- DIPOLE D2
-
- //zd2 = 12147.6;
// --- LHC optics v6.4
zd2 = 12147.6;
// -- GAP (VACUUM WITH MAGNETIC FIELD)
-
tubpar[0] = 0.;
tubpar[1] = 7.5/2.;
tubpar[2] = 945./2.;
gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
// -- YOKE
-
tubpar[0] = 0.;
tubpar[1] = 55.;
tubpar[2] = 945./2.;
gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
- gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
+ gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd2, 0, "ONLY");
gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
//_____________________________________________________________________________
void AliZDCv2::CreateZDC()
{
+ //
+ // Create the various ZDCs (ZN + ZP)
+ //
- Float_t DimPb[6], DimVoid[6];
+ Float_t dimPb[6], dimVoid[6];
Int_t *idtmed = fIdtmed->GetArray();
// Parameters for EM calorimeter geometry
// NB -> parameters used ONLY in CreateZDC()
- Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
- Float_t fDimZEMAir = 0.001; // scotch
- Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
+ Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
+ Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
- Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
- fZEMLength = fDimZEM0;
- Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
- Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
+ Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
+ Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
// --- Position the neutron calorimeter in ZDC
- gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
-
+ // -- Rotation of ZDCs
+ Int_t irotzdc;
+ gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
+ //
+ gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2]-fDimZN[2], irotzdc, "ONLY");
+ //Ch debug
+ //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
// -------------------------------------------------------------------------------
//--> Proton calorimeter (ZP)
// --- Position the proton calorimeter in ZDC
- gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
+ gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2]-fDimZP[2], irotzdc, "ONLY");
+ //Ch debug
+ //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
// -------------------------------------------------------------------------------
gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
Int_t irot1, irot2;
-
- gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
+ gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
-// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
+ //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
- gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
+ gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
- gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
-
- DimPb[0] = fDimZEMPb; // Lead slices
- DimPb[1] = fDimZEM[2];
- DimPb[2] = fDimZEM[1];
- DimPb[3] = 90.-fDimZEM[3];
- DimPb[4] = 0.;
- DimPb[5] = 0.;
- gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
- gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
-// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
+ gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
+
+ dimPb[0] = kDimZEMPb; // Lead slices
+ dimPb[1] = fDimZEM[2];
+ dimPb[2] = fDimZEM[1];
+ //dimPb[3] = fDimZEM[3]; //controllare
+ dimPb[3] = 90.-fDimZEM[3]; //originale
+ dimPb[4] = 0.;
+ dimPb[5] = 0.;
+ gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
+ gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
+ gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
// --- Position the lead slices in the tranche
Float_t zTran = fDimZEM[0]/fDivZEM[2];
- Float_t zTrPb = -zTran+fDimZEMPb;
+ Float_t zTrPb = -zTran+kDimZEMPb;
gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
- gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
+ gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
// --- Vacuum zone (to be filled with fibres)
- DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
- DimVoid[1] = fDimZEM[2];
- DimVoid[2] = fDimZEM[1];
- DimVoid[3] = 90.-fDimZEM[3];
- DimVoid[4] = 0.;
- DimVoid[5] = 0.;
- gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
- gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
+ dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
+ dimVoid[1] = fDimZEM[2];
+ dimVoid[2] = fDimZEM[1];
+ dimVoid[3] = 90.-fDimZEM[3];
+ dimVoid[4] = 0.;
+ dimVoid[5] = 0.;
+ gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
+ gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
// --- Divide the vacuum slice into sticks along x axis
gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
// --- Positioning the vacuum slice into the tranche
- Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
- gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
- gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
+ Float_t displFib = fDimZEM[1]/fDivZEM[0];
+ gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
+ gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., displFib, 0, "ONLY");
// --- Positioning the ZEM into the ZDC - rotation for 90 degrees
// NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
// beacause it's impossible to make a ZDC pcon volume to contain
- // both hadronics and EM calorimeters. (It causes many tracks abandoning).
- gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
+ // both hadronics and EM calorimeters.
+ gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
// Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
- gMC->Gspos("ZEM ", 2,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
+ gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
// --- Adding last slice at the end of the EM calorimeter
-// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
-// gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
+ Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
+ gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
+ //Ch debug
+ //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
+ //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
}
//_____________________________________________________________________________
-void AliZDCv2::DrawModule()
+void AliZDCv2::DrawModule() const
{
//
// Draw a shaded view of the Zero Degree Calorimeter version 1
// Create Materials for the Zero Degree Calorimeter
//
- Int_t *idtmed = fIdtmed->GetArray();
-
- Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
- Int_t i;
+ Float_t dens, ubuf[1], wmat[2], a[2], z[2];
// --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
// --- Iron (energy loss taken into account)
ubuf[0] = 1.1;
- AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
+ AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
// --- Iron (no energy loss)
ubuf[0] = 1.1;
- AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
-
+ AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
+ AliMaterial(13, "IRON2", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
+
+ // ---------------------------------------------------------
+ Float_t aResGas[3]={1.008,12.0107,15.9994};
+ Float_t zResGas[3]={1.,6.,8.};
+ Float_t wResGas[3]={0.28,0.28,0.44};
+ Float_t dResGas = 3.2E-14;
+
// --- Vacuum (no magnetic field)
- AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
+ AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
+ //AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
// --- Vacuum (with magnetic field)
- AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
+ AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
+ //AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
// --- Air (no magnetic field)
- AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+ //
+ AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
+ //AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
// --- Definition of tracking media:
// --- Vacuum (with field) = 11
// --- Air (no field) = 12
-
- // --- Tracking media parameters
- Float_t epsil = .01, stmin=0.01, stemax = 1.;
-// Int_t isxfld = gAlice->Field()->Integ();
- Float_t fieldm = 0., tmaxfd = 0.;
- Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
-
- AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
-
- ifield =2;
- fieldm = 45.;
- AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-
+ // ****************************************************
+ // Tracking media parameters
+ //
+ Float_t epsil = 0.01; // Tracking precision,
+ Float_t stmin = 0.01; // Min. value 4 max. step (cm)
+ Float_t stemax = 1.; // Max. step permitted (cm)
+ Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
+ Float_t deemax = -1.; // Maximum fractional energy loss
+ Float_t nofieldm = 0.; // Max. field value (no field)
+ Float_t fieldm = 45.; // Max. field value (with field)
+ Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
+ Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
+ Int_t inofld = 0; // IFIELD=0 -> no magnetic field
+ Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
+ // *****************************************************
+
+ AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ //
+ AliMedium(11,"ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(13,"ZIRONE",13, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
+}
+
+//_____________________________________________________________________________
+void AliZDCv2::AddAlignableVolumes() const
+{
+ //
+ // Create entries for alignable volumes associating the symbolic volume
+ // name with the corresponding volume path. Needs to be syncronized with
+ // eventual changes in the geometry.
+ //
+ TString volpath1 = "ALIC_1/ZDC_1/ZNEU_1";
+ TString volpath2 = "ALIC_1/ZDC_1/ZPRO_1";
+
+ TString symname1="ZDC/NeutronZDC";
+ TString symname2="ZDC/ProtonZDC";
+
+ if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
+
+ if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
+}
+
+//_____________________________________________________________________________
+void AliZDCv2::Init()
+{
+ InitTables();
+ Int_t *idtmed = fIdtmed->GetArray();
+ Int_t i;
// Thresholds for showering in the ZDCs
i = 1; //tantalum
gMC->Gstpar(idtmed[i], "CUTGAM", .001);
gMC->Gstpar(idtmed[i], "CUTELE", .1);
gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
+ // Avoid too detailed showering along the beam line
+ i = 13; //iron with energy loss (ZIRONN)
+ gMC->Gstpar(idtmed[i], "CUTGAM", 1.);
+ gMC->Gstpar(idtmed[i], "CUTELE", 1.);
+ gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
+ gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
// Avoid interaction in fibers (only energy loss allowed)
i = 3; //fibers (ZSI02)
fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
-}
-
-//_____________________________________________________________________________
-void AliZDCv2::Init()
-{
- InitTables();
}
//_____________________________________________________________________________
void AliZDCv2::InitTables()
{
+ //
+ // Read light tables for Cerenkov light production parameterization
+ //
+
Int_t k, j;
char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
// --- Reading light tables for ZN
- lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
+ lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
if((fp1 = fopen(lightfName1,"r")) == NULL){
printf("Cannot open file fp1 \n");
return;
}
- lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
+ lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
if((fp2 = fopen(lightfName2,"r")) == NULL){
printf("Cannot open file fp2 \n");
return;
}
- lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
+ lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
if((fp3 = fopen(lightfName3,"r")) == NULL){
printf("Cannot open file fp3 \n");
return;
}
- lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
+ lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
if((fp4 = fopen(lightfName4,"r")) == NULL){
printf("Cannot open file fp4 \n");
return;
fclose(fp4);
// --- Reading light tables for ZP and ZEM
- lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
+ lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
if((fp5 = fopen(lightfName5,"r")) == NULL){
printf("Cannot open file fp5 \n");
return;
}
- lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
+ lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
if((fp6 = fopen(lightfName6,"r")) == NULL){
printf("Cannot open file fp6 \n");
return;
}
- lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
+ lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
if((fp7 = fopen(lightfName7,"r")) == NULL){
printf("Cannot open file fp7 \n");
return;
}
- lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
+ lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
if((fp8 = fopen(lightfName8,"r")) == NULL){
printf("Cannot open file fp8 \n");
return;
//
// Routine called at every step in the Zero Degree Calorimeters
//
-
+
Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
- Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
- Float_t xalic[3], z, GuiEff, GuiPar[4]={0.31,-0.0004,0.0197,0.7958};
- TLorentzVector s, p;
+ Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, out;
+ //Float_t radius;
+ Float_t xalic[3], z, guiEff, guiPar[4]={0.31,-0.0004,0.0197,0.7958};
+ Double_t s[3], p[4];
const char *knamed;
- for (j=0;j<10;j++) hits[j]=0;
-
+ for (j=0;j<10;j++) hits[j]=-999.;
+
// --- This part is for no shower developement in beam pipe and TDI
// If particle interacts with beam pipe or TDI -> return
- if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
+ if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
// If option NoShower is set -> StopTrack
if(fNoShower==1) {
- if(gMC->GetMedium() == fMedSensPI) {
+ if(gMC->CurrentMedium() == fMedSensPI) {
+ knamed = gMC->CurrentVolName();
+ if(!strncmp(knamed,"YMQ",3)) fpLostIT += 1;
+ if(!strncmp(knamed,"YD1",3)) fpLostD1 += 1;
+ }
+ else if(gMC->CurrentMedium() == fMedSensTDI){ // NB->Cu = TDI or D1 vacuum chamber
knamed = gMC->CurrentVolName();
- if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
- if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
+ if(!strncmp(knamed,"MD1",3)) fpLostD1 += 1;
+ if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
}
- else if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
+ printf("\n # of spectators lost in IT = %d\n",fpLostIT);
+ printf("\n # of spectators lost in D1 = %d\n",fpLostD1);
+ printf("\n # of spectators lost in TDI = %d\n\n",fpLostTDI);
gMC->StopTrack();
- //printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
- //printf("\n # of p lost in D1 = %d\n",fpLostD1);
- //printf("\n # of p lost in TDI = %d\n\n",fpLostTDI);
}
return;
}
- if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
- (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
- (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
+ if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
+ (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
+ (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
//Particle coordinates
- gMC->TrackPosition(s);
- for(j=0; j<=2; j++){
- x[j] = s[j];
- }
+ gMC->TrackPosition(s[0],s[1],s[2]);
+ for(j=0; j<=2; j++) x[j] = s[j];
hits[0] = x[0];
hits[1] = x[1];
hits[2] = x[2];
// Determine in which ZDC the particle is
knamed = gMC->CurrentVolName();
- if(!strncmp(knamed,"ZN",2)){
- vol[0]=1;
- }
- else if(!strncmp(knamed,"ZP",2)){
- vol[0]=2;
- }
- else if(!strncmp(knamed,"ZE",2)){
- vol[0]=3;
- }
+ if(!strncmp(knamed,"ZN",2)) vol[0]=1;
+ else if(!strncmp(knamed,"ZP",2)) vol[0]=2;
+ else if(!strncmp(knamed,"ZE",2)) vol[0]=3;
// Determine in which quadrant the particle is
-
if(vol[0]==1){ //Quadrant in ZN
// Calculating particle coordinates inside ZN
xdet[0] = x[0]-fPosZN[0];
else if(xdet[1]<0.) vol[1]=4;
}
if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
- printf("\n StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
+ printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
"xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
}
}
}
if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
- printf(" StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
- "xdet[1] = %f",vol[1], xdet[0], xdet[1]);
+ printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
+ "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
}
// Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
// Store impact point and kinetic energy of the ENTERING particle
-// if(Curtrack==Prim){
if(gMC->IsTrackEntering()){
//Particle energy
- gMC->TrackMomentum(p);
+ gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
hits[3] = p[3];
// Impact point on ZDC
hits[4] = xdet[0];
hits[8] = 0;
hits[9] = 0;
-// Int_t PcID = gMC->TrackPid();
-// printf("Pc ID -> %d\n",PcID);
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
if(fNoShower==1){
- fpDetected += 1;
+ if(vol[0]==1) fnDetected += 1;
+ else if(vol[0]==2) fpDetected += 1;
+ printf("\n # of nucleons in ZN = %d",fnDetected);
+ printf("\n # of nucleons in ZP = %d\n\n",fpDetected);
gMC->StopTrack();
- //printf("\n # of detected p = %d\n\n",fpDetected);
return;
}
}
-// } // Curtrack IF
// Charged particles -> Energy loss
if((destep=gMC->Edep())){
if(gMC->IsTrackStop()){
- gMC->TrackMomentum(p);
+ gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
m = gMC->TrackMass();
ekin = p[3]-m;
hits[9] = ekin;
hits[8] = 0.;
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
}
-// printf(" Dep. E = %f \n",hits[9]);
}
- }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
+ }
// *** Light production in fibres
- if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
+ if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
//Select charged particles
if((destep=gMC->Edep())){
// Particle velocity
Float_t beta = 0.;
- gMC->TrackMomentum(p);
+ gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
if(p[3] > 0.00001) beta = ptot/p[3];
else return;
- if(beta<0.67){
- return;
- }
- else if((beta>=0.67) && (beta<=0.75)){
- ibeta = 0;
- }
- if((beta>0.75) && (beta<=0.85)){
- ibeta = 1;
- }
- if((beta>0.85) && (beta<=0.95)){
- ibeta = 2;
- }
- if(beta>0.95){
- ibeta = 3;
- }
+ if(beta<0.67)return;
+ else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
+ else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
+ else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
+ else if(beta>0.95) ibeta = 3;
// Angle between particle trajectory and fibre axis
// 1 -> Momentum directions
Double_t alfar = TMath::ACos(ud[2]);
Double_t alfa = alfar*kRaddeg;
if(alfa>=110.) return;
+ //
ialfa = Int_t(1.+alfa/2.);
// Distance between particle trajectory and fibre axis
- gMC->TrackPosition(s);
+ gMC->TrackPosition(s[0],s[1],s[2]);
for(j=0; j<=2; j++){
x[j] = s[j];
}
be = TMath::Abs(ud[0]);
}
- if((vol[0]==1)){
- radius = fFibZN[1];
- }
- else if((vol[0]==2)){
- radius = fFibZP[1];
- }
ibe = Int_t(be*1000.+1);
+ //if((vol[0]==1)) radius = fFibZN[1];
+ //else if((vol[0]==2)) radius = fFibZP[1];
//Looking into the light tables
Float_t charge = gMC->TrackCharge();
if(ibe>fNben) ibe=fNben;
out = charge*charge*fTablen[ibeta][ialfa][ibe];
nphe = gRandom->Poisson(out);
-// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
-// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
- if(gMC->GetMedium() == fMedSensF1){
+ // Ch. debug
+ //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
+ //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
+ if(gMC->CurrentMedium() == fMedSensF1){
hits[7] = nphe; //fLightPMQ
hits[8] = 0;
hits[9] = 0;
if(ibe>fNbep) ibe=fNbep;
out = charge*charge*fTablep[ibeta][ialfa][ibe];
nphe = gRandom->Poisson(out);
-// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
-// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
- if(gMC->GetMedium() == fMedSensF1){
+ if(gMC->CurrentMedium() == fMedSensF1){
hits[7] = nphe; //fLightPMQ
hits[8] = 0;
hits[9] = 0;
else if((vol[0]==3)) { // (3) ZEM fibres
if(ibe>fNbep) ibe=fNbep;
out = charge*charge*fTablep[ibeta][ialfa][ibe];
- gMC->TrackPosition(s);
+ gMC->TrackPosition(s[0],s[1],s[2]);
for(j=0; j<=2; j++){
xalic[j] = s[j];
}
z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
// z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
// printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
- GuiEff = GuiPar[0]*(GuiPar[1]*z*z+GuiPar[2]*z+GuiPar[3]);
-// printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
-// xalic[0],xalic[1],xalic[2],z);
- out = out*GuiEff;
+ guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
+ out = out*guiEff;
nphe = gRandom->Poisson(out);
-// printf(" out*GuiEff = %f nphe = %d", out, nphe);
-// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
-// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
+// printf(" out*guiEff = %f nphe = %d", out, nphe);
if(vol[1] == 1){
hits[7] = 0;
hits[8] = nphe; //fLightPMC (ZEM1)
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff