]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - START/AliSTARTv1.cxx
A-side support
[u/mrichter/AliRoot.git] / START / AliSTARTv1.cxx
index 3cdd912fa655da48c9b51d10845431aa4927cedc..edd3f54e3209346273bd2e45f66137a08e0af767 100755 (executable)
@@ -13,6 +13,7 @@
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
+/* $Id$ */
 
 /////////////////////////////////////////////////////////////////////
 //                                                                 //
 #include <TNode.h>
 #include <TTUBE.h>
 #include <TVirtualMC.h>
+#include "TGeoManager.h"
+#include "TGeoPgon.h"
+#include "TGeoTube.h"
+#include "TGeoCompositeShape.h"
 
+#include "AliLog.h"
 #include "AliMagF.h"
 #include "AliRun.h"
+
 #include "AliSTARThit.h"
 #include "AliSTARTv1.h"
+#include "AliSTARTParameters.h"
+
 #include "AliMC.h"
+#include "AliCDBLocal.h"
+#include "AliCDBStorage.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
 
 ClassImp(AliSTARTv1)
 
 //--------------------------------------------------------------------
 AliSTARTv1::AliSTARTv1(const char *name, const char *title):
- AliSTART(name,title)
+  AliSTART(name,title),
+  fIdSens1(0)
 {
   //
   // Standart constructor for START Detector version 0
   //
-  fIdSens1=0;
-//  setBufferSize(128000);
+  fIshunt = 2;
 }
+//_____________________________________________________________________________
+
+AliSTARTv1::~AliSTARTv1() 
+{
+  // desctructor  
+}
+
 //-------------------------------------------------------------------------
 void AliSTARTv1::CreateGeometry()
 {
@@ -68,48 +88,44 @@ void AliSTARTv1::CreateGeometry()
   //
 
 
-  Int_t *idtmed = fIdtmed->GetArray();
-  
+   Int_t *idtmed = fIdtmed->GetArray();
+   /*
+   AliSTARTParameters* param = AliSTARTParameters::Instance();
+   param->Init();
+  Float_t zdetC = param->GetZposition(0);
+  Float_t zdetA = param->GetZposition(1);
+   */
+   Float_t zdetC = 69.7;
+   Float_t zdetA = 373.;
+
   Int_t is;
   Int_t idrotm[999];
   Float_t x,y,z;
-
+  //C T0 mother volume
   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.};
+                      -6.8, 4.25, 10., //-76.5+0.00+69.7
+                      -0.75 , 4.5, 10.,  // -76.5+6.05+69.7
+                      1.25   , 4.5, 10.,  //-76.5+8.05+69.7
+                      1.25 , 5.1, 10., //-76.5+8.05+69.7 
+                      6.8 , 5.1, 10.};  //-62.9+0.00+69.7
   
-  Float_t pstart[3]={4.3, 10.,6.8};
+  Float_t pstart[3]={4., 12.5,6.8};
   Float_t pinstart[3]={0.,1.6,6.5};
-  Float_t ppmt[3]={0.,1.3,3.5};
-
-  Float_t preg[3]={0.,0.875,0.005}; //dobavil bogdanov
-  //  Float_t pdes[3]={0.875,1.3,0.005}; //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 ppmt[3]={0.,1.5,3.5};
+  Float_t ptop[3]={0.,1.,1.0};
+  Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov
+  Float_t ptopout[3]={1.,1.01, 1.};  //metal air around raiator for photos reflection 
   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 pcer[3]={0.9,1.1,1.35};
+  Float_t psteel[3]={0.9,1.1,0.15};
   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 psupport4[3] = {0,1.6,0.05};// dyrki dlia feu v zadnej kryshke Air
   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
+  Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika  Al
+  Float_t psupport7[3] = {1.5,1.6,0.4}; //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]; 
@@ -117,7 +133,7 @@ void AliSTARTv1::CreateGeometry()
     ppcon[1]  = 360;
     ppcon[2]  =  13;
 //  1: 
-    ppcon[3]  =  14.1/2;
+    ppcon[3]  =  7.2; // 14.1/2;
     ppcon[4]  =   4.4;
     ppcon[5]  =   4.5;
 //  2
@@ -141,7 +157,8 @@ void AliSTARTv1::CreateGeometry()
     ppcon[17] =   5.1;
     
 //  6
-    ppcon[18]  = ppcon[15]+7.05;
+//    ppcon[18]  = ppcon[15]+6.9;
+    ppcon[18]  = ppcon[15]+6.7;
     ppcon[19] =   4.9;
     ppcon[20] =   5.1;
     
@@ -154,77 +171,120 @@ void AliSTARTv1::CreateGeometry()
     ppcon[24]  = ppcon[21]+0.01;
     ppcon[25] =   3.15;
     ppcon[26] =   3.25;
+    //   ppcon[25] =   2.25;
+    // ppcon[26] =   2.33;
     
 /// 9
     ppcon[27]  = ppcon[24];
-    ppcon[28] =   3.15;
-    ppcon[29] =   3.25;
+    ppcon[28] =   ppcon[25];
+    ppcon[29] =  ppcon[26] ;
     
 //  10
-    ppcon[30]  = ppcon[27]+4.5;
-    ppcon[31] =   3.15;
-    ppcon[32] =   3.25;
+//    ppcon[30]  = ppcon[27]+4.5;
+    ppcon[30]  = ppcon[27]+4.7;
+    ppcon[31] =   2.3;
+    ppcon[32] =  ppcon[26] ;
 
 //  11
     ppcon[33] = ppcon[30];
-    ppcon[34] =   3.15;
-    ppcon[35] =   3.25;
-
+    //    ppcon[34] =   3.15;
+    ppcon[34] =   2.3;
+    ppcon[35] =  ppcon[26] ;
+    
 //  12
     ppcon[36]  = ppcon[33];
-    ppcon[37] =   3.15;
+    ppcon[37] =   ppcon[34] ;
     ppcon[38] =   7.6;
-
-//  13
-    ppcon[39]  = ppcon[33]+0.4;
-    ppcon[40] =   3.15;
+    
+    //  13
+    ppcon[39]  = ppcon[33]+0.2;
+    ppcon[40] =   ppcon[34] ;
     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;
- //-------------------------------------------------------------------
+    gMC->Gsvolu("0SUP", "PCON", idtmed[kAl], ppcon,42);
+    //    gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,38);
+    z = -zdetC;
+    gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
+   
+//-------------------------------------------------------------------
  //  START 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");
+    gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
+    // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
 
 //START interior
-    gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
-    gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);     
-    gMC->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3);     
+   gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
+   gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,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
-    cout<<" 0Su6 >> "<<psupport5[0]<<" "<<psupport5[1]<<" "<<psupport5[2]<<endl;
+    //    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
-       
+   
+
+   //non-absorber side support  and T0A !!!!!!!!
+    
+    TGeoPgon * supPgon = new TGeoPgon("supPgon",0.,360.,360,4);
+    supPgon->DefineSection(0, 0, 4.1, 5.5);
+    supPgon->DefineSection(1, 10.5 , 4.1, 5.5);
+    supPgon->DefineSection(2, 10.5 , 4.1, 4.9);
+    supPgon->DefineSection(3, 12.5 , 4.1, 4.9);
+    TGeoTranslation *trPgon = new TGeoTranslation("trPgon",0,0,0);
+    trPgon->RegisterYourself();
+    TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("OSTL");//empty segment
+    TGeoVolume *ins = gGeoManager->GetVolume("0INS");
+
+    Double_t phimin = TMath::ACos((16-4.8)/16.) * (180 / TMath::Pi()) ;
+    //  TGeoTubeSeg *hole = new TGeoTubeSeg("hole", 0, 1.6, 0, -phimin+90, phimin+90);
+    TGeoTube*hole = new TGeoTube("hole", 0, 1.61, 6.5);
+    TGeoTranslation *tr [12];
+    Float_t angle  = 2 * TMath::Pi() / 12;
+    Char_t nameTr[4];
+    for (Int_t itr=0; itr<12; itr++) {
+      sprintf (nameTr,"tr%i",itr+1);
+      x = 6.5 * TMath::Sin(itr * angle);
+      y = 6.5 * TMath::Cos(itr * angle);
+      tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
+      tr[itr]->RegisterYourself();
+       stlin->AddNode(ins,itr+13,tr[itr]);
+    }
+    TGeoCompositeShape *supsh = new TGeoCompositeShape("supsh","supPgon:trPgon-(hole:tr1+hole:tr2+hole:tr3+hole:tr4+hole:tr5+hole:tr6+hole:tr7+hole:tr8+hole:tr9+hole:tr10+hole:tr11+hole:tr12)");
+  
+    TGeoMedium *medal = gGeoManager->GetMedium("START_Aluminium$");
+    TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal);
+    stlin->AddNode(supA,1,new TGeoTranslation(0,0,0));
+    TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+    alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA ));
+            
+    // T0A finished
+
+    //T0C 
 // first ring: 12 units of Scintillator+PMT+divider
-  Float_t  theta  = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight);
-  Float_t angel  = 2 * TMath::Pi() / 12;
+  Float_t  theta  = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetC);
   Float_t phi[3];
-    
    for (is=0; is<12; is++)
       {  
 
-       x = 6.5 * TMath::Sin(is * angel);
-       y = 6.5 * TMath::Cos(is * angel);
+       x = 6.5 * TMath::Sin(is * angle);
+       y = 6.5 * TMath::Cos(is * angle);
        
        phi[0] = -30 * is;
        phi[1] = 90 - is * 30;
@@ -237,134 +297,50 @@ void AliSTARTv1::CreateGeometry()
                   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=0;
    y=0;
-   z=-pinstart[2]+ppmt[2]+2.*psupport6[2]+0.1;
+    z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
    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[kGlass],ptop,3); //glass
-   //   gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
+   gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
    z=-ppmt[2]+ptop[2];
    gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
-   //     printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
-   
+   //"metal" air volume to simulate reclection  
+   gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); 
+   gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
+
    //Fotokatod
-   
-   gMC->Gsvolu ("0REG", "TUBE", idtmed[kGlass], preg, 3); //dobavil bogdanov(AliSTARTv2)
-   z = -ppmt[2] + 2 * ptop[2] + preg[2]; //dobavil bogdanov(AliSTARTv2)
-   gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); //dobavil bogdanov(AliSTARTv2)
-   
-   // Bottom glass
+   gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); 
+   z = -ppmt[2] + 2 * ptop[2] + preg[2]; 
+   gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); 
+  // Bottom glass
    gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
    z=ppmt[2]-pbot[2];
-   if(fDebug) printf("%s: Z bottom %f\n",ClassName(),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];
-   //      printf("Z glass %f\n",z);
    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;;
-   //      printf("Z Cer 1 %f\n",z);
-   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];
-   //      printf("zknob %f\n",z);
-   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];
-   //      printf(knobbot %f\n",z);
-   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];
-   //      printf("knobvac %f\n",z);
-   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,"ONLY"); //zadnaiai kryshka
-   //Dyrki dlia feu v zadnej kryshke
-   z=0;
-   
-   for (is=1; is<=12; is++)
-     {  
-       x=6.5*TMath::Sin(is*angel);
-       y=6.5 *TMath::Cos(is*angel);
-       gMC->Gspos("0SU5",is+12,"0SU4",x,y,z,0,"ONLY");
-       
-     } 
-   
-   //Support  right side
-   
+   z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
+   gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
+   z +=psteel[2]+pcer[2];
+   gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
+    
+   //Support absorber (C) side
    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,"ONLY"); //zadnaiai kryshka
-   //Dyrki dlia feu v zadnej kryshke
-   z=0;
-   
-   for (is=1; is<=12; is++)
-     {  
-       x=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Sin(is*angel);
-       y=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Cos(is*angel);
-       gMC->Gspos("0SU5",is,"0SU4",x,y,z,0,"ONLY");
-       
-     } 
-
+   z=-pstart[2]+2.*psupport1[2]-0.05;//+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 
@@ -390,41 +366,12 @@ void AliSTARTv1::CreateGeometry()
    z=z+par[2];
    par[0]=4.9;
    par[1]=5.0;
-   par[2]=6.9/2;
+   par[2]=6.7/2;
     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;
@@ -435,14 +382,14 @@ void AliSTARTv1::CreateGeometry()
     z=z+par[2];
     par[0]=3.15;
     par[1]=3.16;
-    par[2]=4.5/2;
+    par[2]=4.7/2;
     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;
+    par[2]=0.1;
     gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
     z += par[2];
     gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); 
@@ -451,16 +398,59 @@ void AliSTARTv1::CreateGeometry()
     par[2]=0.01;
     gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
     gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY"); 
-    
+   
+
  
 }    
 //------------------------------------------------------------------------
+void AliSTARTv1::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 volPath;
+  TString symName, sn;
+
+  TString vpA  = "/ALIC_1/0STL_1/0INS_";
+  TString vpC  = "/ALIC_1/0STR_1/0INS_";
+  TString vpInside  = "/0PMT_1/0TOP_1";
+
+
+  for (Int_t imod=0; imod<24; imod++)
+    {
+      if (imod < 12) 
+       {volPath  = vpC; sn="START/C/PMT";}
+      else  
+       {volPath  = vpA; sn="START/A/PMT";}
+      volPath += imod+1;
+      volPath += vpInside;
+      
+      symName = sn;
+      symName += imod+1;
+      
+      AliDebug(2,"--------------------------------------------");
+      AliDebug(2,Form("Alignable object %d", imod));
+      AliDebug(2,Form("volPath=%s\n",volPath.Data()));
+      AliDebug(2,Form("symName=%s\n",symName.Data()));
+      AliDebug(2,"--------------------------------------------");
+      gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data());
+      // if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
+      //       AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", 
+      //             symName.Data(),volPath.Data()));
+      
+    }
+}   
+//------------------------------------------------------------------------
 void AliSTARTv1::CreateMaterials()
 {
    Int_t isxfld   = gAlice->Field()->Integ();
    Float_t sxmgmx = gAlice->Field()->Max();
-   Float_t a,z,d,radl,absl,buf[1];
-   Int_t nbuf;
+   //   Float_t a,z,d,radl,absl,buf[1];
+   // Int_t nbuf;
    Int_t *idtmed = fIdtmed->GetArray();
 
 // AIR
@@ -486,10 +476,10 @@ void AliSTARTv1::CreateMaterials()
    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 wcer[2]={0.972,0.028};
+   Float_t aCeramic[2]  = { 26.981539,15.9994 };
+   Float_t zCeramic[2]  = { 13.,8. };
+   Float_t wCeramic[2]  = { 2.,3. };
    Float_t denscer  = 3.6;
 
 // Brass 80% Cu, 20% Zn
@@ -510,79 +500,40 @@ void AliSTARTv1::CreateMaterials()
    Float_t densupport=0.1;
     
 //*** Definition Of avaible START materials ***
-   AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
-   AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
-   AliMixture(2, "START Air$", aAir, zAir, dAir,4,wAir);
+   AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
+   AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
+   AliMixture(2, "Air$", 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( 3, "Ceramic  $",aCeramic, zCeramic, denscer, -2, wCeramic);
    AliMixture( 4, "PMT glass   $",aglass,zglass,dglass,-2,wglass);
-   char namate[21]="";
+   /* 
+  char namate[21]="";
+  
    gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
-   acer[0]=a;
+   acer[0]=a;  
+
    zcer[0]=z;
    gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
    acer[1]=a;
    zcer[1]=z;
-
-// Definition Cherenkov parameters
-  const Int_t NUMENTRIES = 32;
-
- Float_t ppckov[NUMENTRIES] =
-            { 2.034E-9, 2.068E-9, 2.103E-9, 2.139E-9,
-              2.177E-9, 2.216E-9, 2.256E-9, 2.298E-9,
-              2.341E-9, 2.386E-9, 2.433E-9, 2.481E-9,
-              2.532E-9, 2.585E-9, 2.640E-9, 2.697E-9,
-              2.757E-9, 2.820E-9, 2.885E-9, 2.954E-9,
-              3.026E-9, 3.102E-9, 3.181E-9, 3.265E-9,
-              3.353E-9, 3.446E-9, 3.545E-9, 3.649E-9,
-              3.760E-9, 3.877E-9, 4.002E-9, 4.136E-9 };
-
- Float_t rindex_qwarz[NUMENTRIES] =
-            { 1.458, 1.458, 1.458, 1.458, 1.458, 1.458, 1.458,
-              1.458, 1.458, 1.458, 1.458, 1.458, 1.458, 1.458,
-              1.458, 1.458, 1.458, 1.458, 1.458, 1.458, 1.458,
-              1.458, 1.458, 1.458, 1.458, 1.458, 1.458, 1.458,
-              1.458, 1.458, 1.458, 1.458 };
-
- Float_t rindex_air[NUMENTRIES] =
-            { 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
-              1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
-              1., 1., 1., 1. };
-
-    Float_t effic_all[NUMENTRIES] =
-            { 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
-              1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
-              1., 1., 1., 1. };
-
- Float_t absor_air[NUMENTRIES] =
-           { 200., 200., 200., 200., 200., 200., 200., 
-             200., 200., 200., 200., 200., 200., 200.,
-             200., 200., 200., 200., 200., 200., 200.,
-             200., 200., 200., 200., 200., 200., 200.,
-             200., 200., 200., 200. };
-   
- Float_t absor_qwarz[NUMENTRIES] =
-           { 2000., 2000., 2000., 2000., 2000., 2000., 2000., 
-             2000., 2000., 2000., 2000., 2000., 2000., 2000.,
-             2000., 2000., 2000., 2000., 2000., 2000., 2000.,
-             2000., 2000., 2000., 2000., 2000., 2000., 2000.,
-             2000., 2000., 2000., 2000. };
-
-   AliMixture( 9, "Ceramic    $", acer, zcer, denscer, 2, wcer);
-   AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
+   AliMixture( 11, "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);
+   AliMixture( 21, "PMT Optical glass   $",aglass,zglass,dglass,-2,wglass);
+   AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass);
+    AliMixture(22, "START Opt Air$", aAir, zAir, dAir,4,wAir);
+   AliMixture(23, "START Opt Air Next$", aAir, zAir, dAir,4,wAir);
    
    AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
    AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
    AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
-   AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+   AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
    AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
    AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
    AliMedium(9, "Ribber  $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
@@ -591,12 +542,65 @@ void AliSTARTv1::CreateMaterials()
    AliMedium(13, "CarbonPlastic$", 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);  
+   AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+   AliMedium(17, "START OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
+   AliMedium(18, "START OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
+    AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
 
-  
-   gMC->SetCerenkov (idtmed[kGlass], NUMENTRIES, ppckov, absor_qwarz, effic_all, rindex_qwarz);
-   gMC->SetCerenkov (idtmed[kAir], NUMENTRIES, ppckov, absor_air, effic_all, rindex_air);
-   if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
 
+// Definition Cherenkov parameters
+   int i;
+   const Int_t kNbins=31;
+   
+   Float_t rindexSiO2[kNbins],  efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
+            
+   // quartz 20mm
+   Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, 
+                            25.9, 25.3, 24.9, 24.5, 23.7, 
+                            23.2, 22.8, 22.4, 21.8, 21.3,
+                            22.8, 22.1, 21.7, 21.2, 20.5, 
+                            19.9, 19.3, 18.7, 18.0, 17.1, 
+                            16.3, 15.3, 14.3, 14.3   };
+          
+   Float_t aPckov[kNbins]  ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
+                            4.48, 4.58, 4.69, 4.81, 4.93, 
+                            5.05, 5.19, 5.33, 5.48, 5.63,
+                            5.8,  5.97, 6.16, 6.36, 6.57, 
+                            6.8,  7.04, 7.3,  7.58, 7.89, 
+                            8.22, 8.57, 8.97, 9.39 };  
+   /*     
+   Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
+                             0.21, 0.22, 0.23, 0.24, 0.26, 
+                             0.27, 0.29, 0.30, 0.29, 0.29, 
+                             0.28, 0.28, 0.27, 0.26, 0.25, 
+                             0.25, 0.23, 0.20, 0.19, 0.17,
+                             0.17, 0.17, 0.2, 0.23};
+   */     
+   //  Float_t aAbsSiO2[kNbins]; //quartz 30mm
+  for(i=0;i<kNbins;i++)
+    {
+      aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV   
+      rindexAir[i]=0;
+      rindexSiO2[i]=1.458; //refractive index for qwarts
+      rindexCathodeNext[i]=0;
+      efficAll[i]=1.;
+
+      //      aAbsSiO2[i]=28.5; //quartz 30mm
+      absorAir[i]=0.3;      
+      absorbCathodeNext[i]=0;
+
+    }
+  
+  
+   gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
+   // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
+   gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
+  gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
+   gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
+   
+   AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
+   
+   
 }
 //---------------------------------------------------------------------
 void AliSTARTv1::DrawDetector()
@@ -609,10 +613,10 @@ void AliSTARTv1::DrawDetector()
   gMC->Gsatt("ALIC","SEEN",0);
   //
   //Set volumes visible
-  //  gMC->Gsatt("0ST","SEEN",0);
-  gMC->Gsatt("0INS","SEEN",0);
-  gMC->Gsatt("0PMT","SEEN",1);
-  gMC->Gsatt("0DIV","SEEN",1);
+  //  gMC->Gsatt("0STR","SEEN",0);
+  //  gMC->Gsatt("0INS","SEEN",0);
+  // gMC->Gsatt("0PMT","SEEN",1);
+  // gMC->Gsatt("0DIV","SEEN",1);
   //
   gMC->Gdopt("hide","off");
   gMC->Gdopt("shad","on");
@@ -633,8 +637,9 @@ void AliSTARTv1::Init()
 //Int_t *idtmed  = gAlice->Idtmed();
   AliSTART::Init();
   fIdSens1=gMC->VolId("0REG");
-  if(fDebug) printf("%s: *** START version 0 initialized ***\n",ClassName());
+
+   AliDebug(1,Form("%s: *** START version 1 initialized ***\n",ClassName()));
+
 }
 
 //-------------------------------------------------------------------
@@ -645,65 +650,60 @@ void AliSTARTv1::StepManager()
   // Called for every step in the START Detector
   //
   Int_t id,copy,copy1;
-  static Float_t hits[7];
-  static Float_t edep;
+  static Float_t hits[6];
   static Int_t vol[2];
   TLorentzVector pos;
   
-  TClonesArray &lhits = *fHits;
+  //   TClonesArray &lhits = *fHits;
   
   if(!gMC->IsTrackAlive()) return; // particle has disappeared
-  //  Float_t charge = gMC->TrackCharge();
-  //  if(TMath::Abs(charge)<=0.) return; //take only charged particles
-
-// If particles is photon then ...
-
-  if (gMC->TrackPid() == 50000050)
-  {
-  id=gMC->CurrentVolID(copy);
   
   
-   // Check the sensetive volume
-  if(id==fIdSens1 ) {
-    if(gMC->IsTrackEntering()) {
-      gMC->CurrentVolOffID(2,copy);
-      vol[1]=copy;
-      gMC->CurrentVolOffID(3,copy1);
-      vol[0]=copy1;
-
-      gMC->TrackPosition(pos);
-      hits[0] = pos[0];
-      hits[1] = pos[1];
-      hits[2] = pos[2];
-      if(pos[2]<0) vol[0]=2;
-      if(pos[2]>=0) vol[0]=1;
-     
-      Float_t etot=gMC->Etot();
-      hits[4]=etot;
-      Int_t iPart= gMC->TrackPid();
-      Int_t partID=gMC->IdFromPDG(iPart);
-      hits[5]=partID;
-      Float_t ttime=gMC->TrackTime();
-      hits[6]=ttime*1e9;
-      edep=0;
-    }
-    if(gMC->IsTrackInside())   {
-      Float_t de=gMC->Edep(); 
-      edep=edep+de;
-    } 
+    // If particles is photon then ...
   
-    if(gMC->IsTrackExiting())  {
-      Float_t de=gMC->Edep(); 
-      edep=edep+de;
-      hits[3]=edep*1e3; 
-
-
-      //      cout<<"partID"<<hits[5]<<endl;
-      new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);      
-    }
-   }
-  }
-//---------------------------------------------------------------------
+ if (gMC->TrackPid() == 50000050)
+  {
+      id=gMC->CurrentVolID(copy);
+      
+      
+      // Check the sensetive volume
+      if(id==fIdSens1 ) { 
+       if(gMC->IsTrackEntering()) {
+         gMC->CurrentVolOffID(2,copy);
+         vol[1]=copy;
+         gMC->CurrentVolOffID(3,copy1);
+         vol[0]=copy1;
+         gMC->TrackPosition(pos);
+         hits[0] = pos[0];
+         hits[1] = pos[1];
+         hits[2] = pos[2];
+         if(pos[2]<0) vol[0]=2;
+         if(pos[2]>=0) vol[0]=1; 
+         
+         Float_t etot=gMC->Etot();
+         hits[3]=etot;
+         Int_t iPart= gMC->TrackPid();
+         Int_t partID=gMC->IdFromPDG(iPart);
+         hits[4]=partID;
+         Float_t ttime=gMC->TrackTime();
+         hits[5]=ttime*1e12;
+         AddHit(fIshunt,vol,hits);
+         //  cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl;
+       }
+       /*              
+               printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
+                      gAlice->GetMCApp()->GetCurrentTrackNumber(),
+              gMC->IsTrackAlive(),
+              gMC->IsTrackDisappeared(),
+              gMC->IsTrackEntering(),
+              gMC->IsTrackExiting(),
+              gMC->IsTrackInside(),
+              gMC->IsTrackOut(),
+              gMC->IsTrackStop(),
+              gMC->IsNewTrack());
+       */              
+      } //sensitive
+  } //photon
 }
 
 
@@ -713,4 +713,3 @@ void AliSTARTv1::StepManager()
 
 
 
-