/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/* $Id$ */
/////////////////////////////////////////////////////////////////////
// //
// T0 ( T-zero) detector version 0 //
//
//Begin Html
/*
*/
//End Html
// //
// //
//////////////////////////////////////////////////////////////////////
#include
#include
#include
#include
#include
#include
#include "AliLog.h"
#include "AliMagF.h"
#include "AliRun.h"
#include "AliT0hit.h"
#include "AliT0v0.h"
#include "AliLog.h"
ClassImp(AliT0v0)
//--------------------------------------------------------------------
AliT0v0::AliT0v0(const char *name, const char *title):
AliT0(name,title),
fIdSens1(0)
{
//
// Standart constructor for T0 Detector version 0
//
// fIdSens1=0;
// setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliT0v0::CreateGeometry()
{
//
// Create the geometry of T0 Detector version 0
// Full geometry with support structure according T0 prototype
//
// begin Html
/*
*/
//
Int_t *idtmed = fIdtmed->GetArray();
Int_t is;
Int_t idrotm[999];
Float_t x,y,z;
Float_t pstartR[18]={0., 360., 5.,
-76.5+0.00+69.7, 4.25, 10.,
-76.5+6.05+69.7, 4.5, 10.,
-76.5+8.05+69.7, 4.5, 10.,
-76.5+8.05+69.7, 5.1, 10.,
-62.9+0.00+69.7, 5.1, 10.};
Float_t pstart[3]={4.3, 12.,6.8};
Float_t pinstart[3]={0.,1.6,6.5};
Float_t ppmt[3]={0.,1.5,3.5};
Float_t preg[3]={0.,0.875,0.005}; //dobavil bogdanov
Float_t pdivider[3]={0.,1.2,1.75};
Float_t pdiv2[3]={0.,1.2,1.25};
Float_t pdiv1[3]={0.6,1.2,0.5};
// Float_t ptop[3]={0.,1.3,1.5};
Float_t ptop[3]={0.,1.0,1.5};
Float_t pbot[3]={0.6,1.2,0.1};
Float_t pglass[3]={1.2,1.3,2.};
Float_t pcer[3]={0.9,1.1,0.09};
Float_t psteel[3]={0.9,1.1,0.01};
Float_t ppins[3]={0.6,1.2,0.014};
Float_t phole[3]={0.6,1.2,0.015};
Float_t pknob[3]={0.5,0.6,0.4};
Float_t pknob_vac[3]={0.,0.5,0.4};
Float_t pknob_bot[3]={0.,0.6,0.05};
Float_t pribber[3] = {0.,1.2,2.413/2.};
Float_t presist[3] = {0.,1.2,0.087/2.};
Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri
Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C
Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C
Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C
Float_t psupport6[3] = {0,1.5,0.05}; //kryshechka stakanchika Al
Float_t psupport7[3] = {1.5,1.6,0.6}; //kolechko snaruzhu stakanchika Al
// Mother Volume katushka dlia krepezha vokrug truby k Absorbru
AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
Float_t ppcon[70];
ppcon[0] = 0;
ppcon[1] = 360;
ppcon[2] = 13;
// 1:
ppcon[3] = 14.1/2;
ppcon[4] = 4.4;
ppcon[5] = 4.5;
// 2
ppcon[6] = ppcon[3]+1.;
ppcon[7] = 4.4;
ppcon[8] = 4.5;
// 3
ppcon[9] = ppcon[6];
ppcon[10] = 4.4;
ppcon[11] = 5.1;
// 4
ppcon[12] = ppcon[9]+0.1;
ppcon[13] = 4.4;
ppcon[14] = 5.1;
// 5
ppcon[15] = ppcon[12];
ppcon[16] = 4.9;
ppcon[17] = 5.1;
// 6
ppcon[18] = ppcon[15]+7.05;
ppcon[19] = 4.9;
ppcon[20] = 5.1;
// 7
ppcon[21] = ppcon[18];
ppcon[22] = 4.9;
ppcon[23] = 5.1;
/// 8
ppcon[24] = ppcon[21]+0.01;
ppcon[25] = 3.15;
ppcon[26] = 3.25;
/// 9
ppcon[27] = ppcon[24];
ppcon[28] = 3.15;
ppcon[29] = 3.25;
// 10
ppcon[30] = ppcon[27]+4.5;
ppcon[31] = 3.15;
ppcon[32] = 3.25;
// 11
ppcon[33] = ppcon[30];
ppcon[34] = 3.15;
ppcon[35] = 3.25;
// 12
ppcon[36] = ppcon[33];
ppcon[37] = 3.15;
ppcon[38] = 7.6;
// 13
ppcon[39] = ppcon[33]+0.4;
ppcon[40] = 3.15;
ppcon[41] = 7.6;
// 14
// ppcon[39] = ppcon[36];
// ppcon[40] = 3.15;
// ppcon[41] = 7.6;
gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
z=-69.7;//-14.1/2;
gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
Float_t zdetRight=69.7,zdetLeft=350;
//-------------------------------------------------------------------
// T0 volume
//-------------------------------------------------------------------
gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
gMC->Gsvolu("0STL","TUBE",idtmed[kAir],pstart,3);
gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetRight-pstart[2],idrotm[901],"ONLY");
gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetLeft+pstart[2],0,"ONLY");
//T0 interior
gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
gMC->Gsvolu("0PMT","TUBE",idtmed[kOpAir],ppmt,3);
gMC->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3);
gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
// gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
// first ring: 12 units of Scintillator+PMT+divider
Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight);
Float_t angle = 2 * TMath::Pi() / 12;
Float_t phi[3];
for (is=0; is<12; is++)
{
x = 6.5 * TMath::Sin(is * angle);
y = 6.5 * TMath::Cos(is * angle);
phi[0] = -30 * is;
phi[1] = 90 - is * 30;
phi[2] = 90 - is * 30;
for (Int_t j = 0; j < 3; j++)
if (phi[j] < 0) phi[j] += 360;
AliMatrix (idrotm[902 + is], 90., phi[0],
90. + theta, phi[1],
theta, phi[2]);
z=-pstart[2]+pinstart[2]+0.2;
gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
gMC->Gspos ("0INS", is + 13, "0STL", x, y, z, 0, "ONLY");
x = 9 * TMath::Sin(angle/2+is * angle);
y = 9 * TMath::Cos(angle/2+is * angle);
gMC->Gspos ("0INS", is + 25, "0STL", x, y, z, 0, "ONLY");
}
x=0;
y=0;
z=-pinstart[2]+ppmt[2]+2.*psupport6[2]+0.1;
gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
z=z+pdivider[2]+ppmt[2];
gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
// PMT
// Entry window (glass)
gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
// gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
z=-ppmt[2]+ptop[2];
gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
//Fotokatod
gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlass], preg, 3); //photocathode dobavil bogdanov(AliT0v2)
z = -ppmt[2] + 2 * ptop[2] + preg[2]; //photocathode dobavil bogdanov
gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); //photocathode dobavil bogdanov(AliT0v2)
// Bottom glass
gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
z=ppmt[2]-pbot[2];
AliDebugClass(1,Form(" Z bottom %f\n",z));
gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
// Side cylinder glass
gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
z=ppmt[2]-pglass[2];
gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
//PMT electrodes support structure
gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
z=-ppmt[2]+2*ptop[2]+0.3;;
for (is=1; is<=15; is++)
{
z=z+psteel[2]+pcer[2];
gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
z=z+psteel[2]+pcer[2];
gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
}
// Divider
// Knob at the bottom of PMT baloon
gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
z=-pdivider[2]+pknob[2];
gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
gMC->Gsvolu("0KB","TUBE",idtmed[kGlass],pknob_bot,3);
z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
gMC->Gsvolu("0VAC","TUBE",idtmed[kVac],pknob_vac,3);
z=-pdivider[2]+pknob_vac[2];
gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
//Steel pins + pin holes
gMC->Gsvolu("0PIN","TUBE",idtmed[kSteel],ppins,3);
z=-pdivider[2]+ppins[2];
gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
gMC->Gsvolu("0HOL","TUBE",idtmed[kBrass],phole,3);
z=-pdivider[2]+2*ppins[2]+phole[2];
gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
//Socket
gMC->Gsvolu("0V1","TUBE",idtmed[kCer],pdiv1,3);
z=-pdivider[2]+pdiv1[2];
gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
//Resistors
gMC->Gsvolu("0V2","TUBE",idtmed[kAir],pdiv2,3);
z=pdivider[2]-pdiv2[2];
gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
gMC->Gsvolu("0RS","TUBE",idtmed[kCer],presist,3);
z=-pdiv2[2]+presist[2];
gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
gMC->Gsvolu("0RB","TUBE",idtmed[kRibber],pribber,3);
z=pdiv2[2]-pribber[2];
gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
//Support left side
/*
z=-pstart[2]+psupport1[2];
gMC->Gspos("0SU1",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
gMC->Gspos("0SU2",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh vnutri
z=-pstart[2]+psupport3[2];
gMC->Gspos("0SU3",2,"0STL",0,0,z,0,"ONLY"); //peredniaia kryshka
z=-pstart[2]+2.*psupport1[2];
gMC->Gspos("0SU4",2,"0STL",0,0,z,0,"MANY"); //zadnaiai kryshka
*/
z=-pstart[2]+psupport1[2]+0.1;
gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
z=-pstart[2]+psupport3[2]+0.1;
gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
z=-pstart[2]+2.*psupport1[2]+0.1;
gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
z=-pinstart[2]+psupport6[2];
gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
z=pinstart[2]-psupport7[2];
gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko
Float_t par[3];
par[0]=4.4;
par[1]=4.5;
par[2]=0.5;
gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
z=ppcon[3]+par[2];
gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
z += par[2];
par[0]=4.4;
par[1]=5.1;
par[2]=0.05;
gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
z += par[2];
gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
z=z+par[2];
par[0]=4.9;
par[1]=5.0;
par[2]=6.9/2;
gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
z += par[2];
gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
z += par[2];
/*
Float_t parC[5];
parC[0]=0.25;
parC[1]=5.1;
parC[2]=5.2;
parC[3]=5.5;
parC[4]=5.6;
gMC->Gsvolu("0SC3","CONE",idtmed[kC],parC,5);
z += parC[0];
gMC->Gspos("0SC3",1,"0SUP",0,0,z,0,"ONLY");
z += parC[0];
par[0]=5.5;
par[1]=5.6;
par[2]=1.2/2;
gMC->Gsvolu("0SC4","TUBE",idtmed[kC],par,3);
z += par[2];
gMC->Gspos("0SC4",1,"0SUP",0,0,z,0,"ONLY");
par[0]=5.1;
par[1]=5.5;
par[2]=1.2/2;
gMC->Gsvolu("0SA0","TUBE",idtmed[kAl],par,3);
gMC->Gspos("0SA0",1,"0SUP",0,0,z,0,"ONLY");
//gvozdi dlia skruchivaniia Al i C parts
par[0]=5.75;
par[1]=5.78;
gMC->Gsvolu("0SN1","TUBE",idtmed[kSteel],par,3);
gMC->Gspos("0SN1",1,"0SUP",0,0,z,0,"ONLY");
z += par[2];
*/
par[0]=3.15;
par[1]=4.9;
par[2]=0.1/2;
gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
z += par[2];
gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
z=z+par[2];
par[0]=3.15;
par[1]=3.16;
par[2]=4.5/2;
gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
z += par[2];
gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
z=z+par[2];
par[0]=3.16; // eta chast' prikruchena k absorberu
par[1]=7.5;
par[2]=0.2;
gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
z += par[2];
gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
par[1]=7.5;
par[2]=0.01;
gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY");
}
//------------------------------------------------------------------------
void AliT0v0::CreateMaterials()
{
Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
Float_t a,z,d,radl,absl,buf[1];
Int_t nbuf;
// Scintillator CH
Float_t ascin[2]={1.01,12.01};
Float_t zscin[2]={1,6};
Float_t wscin[2]={1,1};
Float_t denscin=1.03;
//Lucite C(CH3)CO2CH3
Float_t alucite[3]={1.01,12.01,15.999};
Float_t zlucite[3]={1,6,8};
Float_t wlucite[3]={8,5,2};
Float_t denlucite=1.16;
// PMT glass SiO2
Float_t aglass[2]={28.0855,15.9994};
Float_t zglass[2]={14.,8.};
Float_t wglass[2]={1.,2.};
Float_t dglass=2.65;
// Ceramic 97.2% Al2O3 , 2.8% SiO2
Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
Float_t aal2o3[2] = { 26.981539,15.9994 };
Float_t zal2o3[2] = { 13.,8. };
Float_t wal2o3[2] = { 2.,3. };
Float_t denscer = 3.6;
// Brass 80% Cu, 20% Zn
Float_t abrass[2] = {63.546,65.39};
Float_t zbrass[2] = {29,30};
Float_t wbrass[2] = {0.8,0.2};
Float_t denbrass=8.96;
//Ribber C6H12S
Float_t aribber[3] = {12.,1.,32.};
Float_t zribber[3] = {6.,1.,16.};
Float_t wribber[3] = {6.,12.,1.};
Float_t denribber=0.8;
// Support inside
Float_t asupport[2] = {12.,1.};
Float_t zsupport[2] = {6.,1.};
Float_t wsupport[2] = {1.,1.};
Float_t densupport=0.1;
// AIR
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;
//*** Definition Of avaible T0 materials ***
AliMaterial(0, "T0 Steel$", 55.850,26.,7.87,1.76,999);
AliMaterial(1, "T0 Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
AliMixture(2, "T0 Air$", aAir, zAir, dAir,4,wAir);
AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
char namate[21]="";
gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
acer[0]=a;
zcer[0]=z;
gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
acer[1]=a;
zcer[1]=z;
AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
}
//---------------------------------------------------------------------
void AliT0v0::DrawModule() const
{
//
// Draw a shaded view of the Forward multiplicity detector version 0
//
//Set ALIC mother transparent
gMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
gMC->Gsatt("0STA","SEEN",0);
gMC->Gsatt("0PMT","SEEN",1);
gMC->Gsatt("0DIV","SEEN",1);
//
gMC->Gdopt("hide","on");
gMC->Gdopt("shad","on");
gMC->SetClipBox(".");
gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
gMC->DefaultRange();
gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
gMC->Gdhead(1111,"T-Zero detector");
gMC->Gdopt("hide","off");
}
//-------------------------------------------------------------------
void AliT0v0::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
//Int_t *idtmed = gAlice->Idtmed();
AliT0::Init();
fIdSens1=gMC->VolId("0TOP");
AliDebug(1,Form("%s: *** T0 version 0 initialized ***\n",ClassName()));
}
//-------------------------------------------------------------------
void AliT0v0::StepManager()
{
//
// Called for every step in the T0 Detector
// See AliT0v1
}
//---------------------------------------------------------------------