[u/mrichter/AliRoot.git] / START / AliSTARTv1.cxx

/**************************************************************************
 * 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.                  *
 **************************************************************************/


/////////////////////////////////////////////////////////////////////
//                                                                 //
// START ( T-zero) detector  version 1                             //
//
//Begin Html       
/*
<img src="gif/AliSTARTv1Class.gif">
*/
//End Html
//                                                                  //
//                                                                  //
//////////////////////////////////////////////////////////////////////

#include <TMath.h>
#include <TGeometry.h>
#include <TTUBE.h>
#include <TNode.h>
#include <TLorentzVector.h>

#include "AliSTARTv1.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliMagF.h"
#include "AliSTARThit.h"

#include <iostream.h>
#include <fstream.h>

//#include "TGeant3.h"
#include <stdlib.h>

ClassImp(AliSTARTv1)

//--------------------------------------------------------------------
AliSTARTv1::AliSTARTv1(const char *name, const char *title):
 AliSTART(name,title)
{
  //
  // Standart constructor for START Detector version 0
  //
  fIdSens1=0;
//  setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliSTARTv1::CreateGeometry()
{
  //
  // Create the geometry of START Detector version 0
  //
  // begin Html
  /*
   <img src="gif/AliSTARTv0.gif">
  */
  //


  Int_t *idtmed = fIdtmed->GetArray();
  
  Int_t is;
  Int_t idrotm[999];
  Float_t x,y,z;

  Float_t pstart[3]={4.5,10.7,5.3};
  Float_t pinstart[3]={0.,1.3,5.25};
  Float_t ppmt[3]={0.,1.3,3.5};
  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 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 zdetRight=69.7,zdetLeft=350;
 //-------------------------------------------------------------------
 //  START volume 
 //-------------------------------------------------------------------
  
  //  Float_t theta=TMath::ATan(6.5/zdet);
  Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
  Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
    AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
    
    gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
    gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
    gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
    gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");

//START interior
    gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
    gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);     
    gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3);     

// first ring: 12 units of Scintillator+PMT+divider
    Double_t dang1 = 2*TMath::Pi()/12;
    for (is=1; is<=12; is++)
      {  
	AliMatrix(idrotm[901+is], 
		  90.-thetaRight, 30.*is, 
		  90.,       90.+30.*is,
		  thetaRight,    180.+30.*is); 
	x=6.5*TMath::Sin(is*dang1);
	y=6.5*TMath::Cos(is*dang1);
	z=-pstart[2]+pinstart[2];
	gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");

      }	
    for (is=1; is<=12; is++)
      {
        AliMatrix(idrotm[901+is],
                  90.-thetaLeft, 30.*is,
                  90.,       90.+30.*is,
                  thetaLeft,    180.+30.*is);

        x=6.5*TMath::Sin(is*dang1);
        y=6.5*TMath::Cos(is*dang1);
        z=-pstart[2]+pinstart[2];
        gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");

      }
     x=0;
    y=0;
    z=-pinstart[2]+ppmt[2];
    if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
    gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
    z=pinstart[2]-pdivider[2];
    gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
      
     /*  
//second ring: 20 units of Scintillator+PMT+divider
      Double_t dang2 = 2*TMath::Pi()/26;
      Double_t dang3 = 2*TMath::Pi()/20;
       for (is=14; is<=33;is++)  
     {  
     x=9.3*TMath::Sin(dang2+(is-13)*dang3);
     y=9.3*TMath::Cos(dang2+(is-13)*dang3);
      z=-pstart[2]+ppmt[2];
      gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
      z=z+ppmt[2]+pdiv2[2];
      gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
      }
     */
// PMT
      
    // Entry window (glass)
    gMC->Gsvolu("0TOP","TUBE",idtmed[6],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");
    //     printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
    
    // Bottom glass
    gMC->Gsvolu("0BOT","TUBE",idtmed[6],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[6],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[4],pcer,3);
    gMC->Gsvolu("0STE","TUBE",idtmed[8],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[6],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[3],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[8],ppins,3);
    z=-pdivider[2]+ppins[2];
    gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
    gMC->Gsvolu("0HOL","TUBE",idtmed[11],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[4],pdiv1,3);
    z=-pdivider[2]+pdiv1[2];
    gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
    //Resistors
    gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
    z=pdivider[2]-pdiv2[2];
    gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
    gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
    z=-pdiv2[2]+presist[2];
    gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
    gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
    z=pdiv2[2]-pribber[2];
    gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
    //      printf("z DRIB %f\n",z);
       
    
}    
//------------------------------------------------------------------------
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;

// 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;
   /*
// Definition Cherenkov parameters
   Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
   Float_t rindex_quarz[14] = { 1.528309,1.533333,
				1.538243,1.544223,1.550568,1.55777,
				1.565463,1.574765,1.584831,1.597027,
			        1.611858,1.6277,1.6472,1.6724 };
 
   Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
				6.324,4.483,1.6,.323,.073,0. };
   */
    
//*** 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);
   AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,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);
   
   
   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(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(8, "Steel$", 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);  

   if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;

//  geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);

}
//---------------------------------------------------------------------
void AliSTARTv1::DrawDetector()
{
//
// 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("0ST","SEEN",0);
  gMC->Gsatt("0INS","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 AliSTARTv1::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
//Int_t *idtmed  = gAlice->Idtmed();
  AliSTART::Init();
  fIdSens1=gMC->VolId("0TOP");
  if(fDebug) printf("%s: *** START version 0 initialized ***\n",ClassName());
 
}

//-------------------------------------------------------------------

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 Int_t vol[2];
  TLorentzVector pos;
  
  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
  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(gMC->IsTrackExiting())	{
      Float_t de=gMC->Edep(); 
      edep=edep+de;
      hits[3]=edep*1e3;
      new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);      
    }
  }
//---------------------------------------------------------------------
}
Commit	Line	Data
bc46b572	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16
	17	/////////////////////////////////////////////////////////////////////
	18	// //
	19	// START ( T-zero) detector version 1 //
	20	//
	21	//Begin Html
	22	/*
	23	<img src="gif/AliSTARTv1Class.gif">
	24	*/
	25	//End Html
	26	// //
	27	// //
	28	//////////////////////////////////////////////////////////////////////
	29
	30	#include <TMath.h>
	31	#include <TGeometry.h>
	32	#include <TTUBE.h>
	33	#include <TNode.h>
0cc62300	34	#include <TLorentzVector.h>
bc46b572	35
	36	#include "AliSTARTv1.h"
	37	#include "AliRun.h"
	38	#include "AliMC.h"
94de3818	39	#include "AliMagF.h"
bc46b572	40	#include "AliSTARThit.h"
	41
	42	#include <iostream.h>
	43	#include <fstream.h>
	44
	45	//#include "TGeant3.h"
	46	#include <stdlib.h>
	47
	48	ClassImp(AliSTARTv1)
	49
	50	//--------------------------------------------------------------------
	51	AliSTARTv1::AliSTARTv1(const char name, const char title):
	52	AliSTART(name,title)
	53	{
	54	//
	55	// Standart constructor for START Detector version 0
	56	//
	57	fIdSens1=0;
	58	// setBufferSize(128000);
	59	}
	60	//-------------------------------------------------------------------------
	61	void AliSTARTv1::CreateGeometry()
	62	{
	63	//
	64	// Create the geometry of START Detector version 0
	65	//
	66	// begin Html
	67	/*
	68	<img src="gif/AliSTARTv0.gif">
	69	*/
	70	//
	71
	72
	73	Int_t *idtmed = fIdtmed->GetArray();
	74
	75	Int_t is;
	76	Int_t idrotm[999];
	77	Float_t x,y,z;
	78
	79	Float_t pstart[3]={4.5,10.7,5.3};
ef51244a	80	Float_t pinstart[3]={0.,1.3,5.25};
bc46b572	81	Float_t ppmt[3]={0.,1.3,3.5};
	82	Float_t pdivider[3]={0.,1.2,1.75};
	83	Float_t pdiv2[3]={0.,1.2,1.25};
	84	Float_t pdiv1[3]={0.6,1.2,0.5};
	85	Float_t ptop[3]={0.,1.3,1.5};
	86	Float_t pbot[3]={0.6,1.2,0.1};
	87	Float_t pglass[3]={1.2,1.3,2.};
	88	Float_t pcer[3]={0.9,1.1,0.09};
	89	Float_t psteel[3]={0.9,1.1,0.01};
	90	Float_t ppins[3]={0.6,1.2,0.014};
	91	Float_t phole[3]={0.6,1.2,0.015};
	92	Float_t pknob[3]={0.5,0.6,0.4};
	93	Float_t pknob_vac[3]={0.,0.5,0.4};
	94	Float_t pknob_bot[3]={0.,0.6,0.05};
	95	Float_t pribber[3] = {0.,1.2,2.413/2.};
	96	Float_t presist[3] = {0.,1.2,0.087/2.};
	97
a94466c5	98	Float_t zdetRight=69.7,zdetLeft=350;
bc46b572	99	//-------------------------------------------------------------------
	100	// START volume
	101	//-------------------------------------------------------------------
	102
	103	// Float_t theta=TMath::ATan(6.5/zdet);
724699e1	104	Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
724699e1	105	Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
bc46b572	106	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
bc46b572	107
724699e1	108	gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
	109	gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
	110	gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
	111	gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");
bc46b572	112
bc46b572	113	//START interior
2ca99a7f	114	gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
	115	gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);
	116	gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3);
bc46b572	117
	118	// first ring: 12 units of Scintillator+PMT+divider
	119	Double_t dang1 = 2*TMath::Pi()/12;
	120	for (is=1; is<=12; is++)
	121	{
	122	AliMatrix(idrotm[901+is],
724699e1	123	90.-thetaRight, 30.*is,
bc46b572	124	90., 90.+30.*is,
724699e1	125	thetaRight, 180.+30.*is);
bc46b572	126	x=6.5TMath::Sin(isdang1);
bc46b572	127	y=6.5TMath::Cos(isdang1);
ef51244a	128	z=-pstart[2]+pinstart[2];
724699e1	129	gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");
ef51244a	130
9436d88b	131	}
724699e1	132	for (is=1; is<=12; is++)
	133	{
	134	AliMatrix(idrotm[901+is],
	135	90.-thetaLeft, 30.*is,
	136	90., 90.+30.*is,
	137	thetaLeft, 180.+30.*is);
	138
	139	x=6.5TMath::Sin(isdang1);
	140	y=6.5TMath::Cos(isdang1);
	141	z=-pstart[2]+pinstart[2];
	142	gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");
	143
	144	}
	145	x=0;
9436d88b	146	y=0;
9436d88b	147	z=-pinstart[2]+ppmt[2];
9e1a0ddb	148	if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
9436d88b	149	gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
	150	z=pinstart[2]-pdivider[2];
	151	gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
	152
bc46b572	153	/*
	154	//second ring: 20 units of Scintillator+PMT+divider
	155	Double_t dang2 = 2*TMath::Pi()/26;
	156	Double_t dang3 = 2*TMath::Pi()/20;
	157	for (is=14; is<=33;is++)
	158	{
	159	x=9.3TMath::Sin(dang2+(is-13)dang3);
	160	y=9.3TMath::Cos(dang2+(is-13)dang3);
	161	z=-pstart[2]+ppmt[2];
2ca99a7f	162	gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
bc46b572	163	z=z+ppmt[2]+pdiv2[2];
2ca99a7f	164	gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
bc46b572	165	}
	166	*/
	167	// PMT
	168
	169	// Entry window (glass)
a94466c5	170	gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3); //glass
	171	// gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
	172	z=-ppmt[2]+ptop[2];
2ca99a7f	173	gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
bc46b572	174	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
a94466c5	175
bc46b572	176	// Bottom glass
2ca99a7f	177	gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3);
bc46b572	178	z=ppmt[2]-pbot[2];
9e1a0ddb	179	if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
2ca99a7f	180	gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
bc46b572	181	// Side cylinder glass
2ca99a7f	182	gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3);
bc46b572	183	z=ppmt[2]-pglass[2];
bc46b572	184	// printf("Z glass %f\n",z);
2ca99a7f	185	gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
bc46b572	186	//PMT electrodes support structure
2ca99a7f	187	gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3);
2ca99a7f	188	gMC->Gsvolu("0STE","TUBE",idtmed[8],psteel,3);
bc46b572	189	z=-ppmt[2]+2*ptop[2]+0.3;;
	190	// printf("Z Cer 1 %f\n",z);
	191	for (is=1; is<=15; is++)
	192	{
	193	z=z+psteel[2]+pcer[2];
2ca99a7f	194	gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
bc46b572	195	z=z+psteel[2]+pcer[2];
2ca99a7f	196	gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
bc46b572	197	}
	198
	199	// Divider
	200	// Knob at the bottom of PMT baloon
	201
2ca99a7f	202	gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
bc46b572	203	z=-pdivider[2]+pknob[2];
bc46b572	204	// printf("zknob %f\n",z);
2ca99a7f	205	gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
2ca99a7f	206	gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3);
bc46b572	207	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
2ca99a7f	208	// printf(knobbot %f\n",z);
	209	gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
	210	gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3);
bc46b572	211	z=-pdivider[2]+pknob_vac[2];
bc46b572	212	// printf("knobvac %f\n",z);
2ca99a7f	213	gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
bc46b572	214	//Steel pins + pin holes
2ca99a7f	215	gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3);
bc46b572	216	z=-pdivider[2]+ppins[2];
2ca99a7f	217	gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
2ca99a7f	218	gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3);
bc46b572	219	z=-pdivider[2]+2*ppins[2]+phole[2];
2ca99a7f	220	gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
bc46b572	221
bc46b572	222	//Socket
2ca99a7f	223	gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3);
bc46b572	224	z=-pdivider[2]+pdiv1[2];
2ca99a7f	225	gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
bc46b572	226	//Resistors
2ca99a7f	227	gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
bc46b572	228	z=pdivider[2]-pdiv2[2];
2ca99a7f	229	gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
2ca99a7f	230	gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
bc46b572	231	z=-pdiv2[2]+presist[2];
2ca99a7f	232	gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
2ca99a7f	233	gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
bc46b572	234	z=pdiv2[2]-pribber[2];
2ca99a7f	235	gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
bc46b572	236	// printf("z DRIB %f\n",z);
a94466c5	237
bc46b572	238
	239	}
	240	//------------------------------------------------------------------------
	241	void AliSTARTv1::CreateMaterials()
	242	{
ef51244a	243	Int_t isxfld = gAlice->Field()->Integ();
ef51244a	244	Float_t sxmgmx = gAlice->Field()->Max();
bc46b572	245	Float_t a,z,d,radl,absl,buf[1];
	246	Int_t nbuf;
	247
	248	// Scintillator CH
	249	Float_t ascin[2]={1.01,12.01};
	250	Float_t zscin[2]={1,6};
	251	Float_t wscin[2]={1,1};
	252	Float_t denscin=1.03;
a94466c5	253	//Lucite C(CH3)CO2CH3
	254	Float_t alucite[3]={1.01,12.01,15.999};
	255	Float_t zlucite[3]={1,6,8};
	256	Float_t wlucite[3]={8,5,2};
	257	Float_t denlucite=1.16;
	258	// PMT glass SiO2
bc46b572	259	Float_t aglass[2]={28.0855,15.9994};
	260	Float_t zglass[2]={14.,8.};
	261	Float_t wglass[2]={1.,2.};
	262	Float_t dglass=2.65;
	263	// Ceramic 97.2% Al2O3 , 2.8% SiO2
	264	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
	265	Float_t aal2o3[2] = { 26.981539,15.9994 };
	266	Float_t zal2o3[2] = { 13.,8. };
	267	Float_t wal2o3[2] = { 2.,3. };
	268	Float_t denscer = 3.6;
	269
	270	// Brass 80% Cu, 20% Zn
	271	Float_t abrass[2] = {63.546,65.39};
	272	Float_t zbrass[2] = {29,30};
	273	Float_t wbrass[2] = {0.8,0.2};
	274	Float_t denbrass=8.96;
	275
	276	//Ribber C6H12S
	277	Float_t aribber[3] = {12.,1.,32.};
	278	Float_t zribber[3] = {6.,1.,16.};
	279	Float_t wribber[3] = {6.,12.,1.};
	280	Float_t denribber=0.8;
	281	/*
	282	// Definition Cherenkov parameters
	283	Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
	284	Float_t rindex_quarz[14] = { 1.528309,1.533333,
	285	1.538243,1.544223,1.550568,1.55777,
	286	1.565463,1.574765,1.584831,1.597027,
	287	1.611858,1.6277,1.6472,1.6724 };
	288
	289	Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
	290	6.324,4.483,1.6,.323,.073,0. };
	291	*/
bc46b572	292
	293	//* Definition Of avaible START materials *
	294	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
	295	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
	296	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
	297
	298	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
	299	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
	300	char namate[21];
	301	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
	302	acer[0]=a;
	303	zcer[0]=z;
	304	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
	305	acer[1]=a;
	306	zcer[1]=z;
	307
	308	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
	309	AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
	310	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
	311
	312	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
a94466c5	313	AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
bc46b572	314
bc46b572	315
ef51244a	316	AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
	317	AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
	318	AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	319	AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	320	AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	321	AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	322	AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	323	AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
a94466c5	324	AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
a94466c5	325
9e1a0ddb	326	if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
bc46b572	327
	328	// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
	329
	330	}
	331	//---------------------------------------------------------------------
	332	void AliSTARTv1::DrawDetector()
	333	{
	334	//
	335	// Draw a shaded view of the Forward multiplicity detector version 0
	336	//
	337
	338	//Set ALIC mother transparent
	339	gMC->Gsatt("ALIC","SEEN",0);
	340	//
	341	//Set volumes visible
2ca99a7f	342	// gMC->Gsatt("0ST","SEEN",0);
	343	gMC->Gsatt("0INS","SEEN",0);
	344	gMC->Gsatt("0PMT","SEEN",1);
	345	gMC->Gsatt("0DIV","SEEN",1);
bc46b572	346	//
	347	gMC->Gdopt("hide","on");
	348	gMC->Gdopt("shad","on");
	349	gMC->SetClipBox(".");
	350	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	351	gMC->DefaultRange();
	352	gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
	353	gMC->Gdhead(1111,"T-Zero detector");
	354	gMC->Gdopt("hide","off");
	355	}
	356
	357	//-------------------------------------------------------------------
	358	void AliSTARTv1::Init()
	359	{
	360	// Initialises version 0 of the Forward Multiplicity Detector
	361	//
	362	//Int_t *idtmed = gAlice->Idtmed();
	363	AliSTART::Init();
2ca99a7f	364	fIdSens1=gMC->VolId("0TOP");
9e1a0ddb	365	if(fDebug) printf("%s: * START version 0 initialized *\n",ClassName());
bc46b572	366
	367	}
	368
	369	//-------------------------------------------------------------------
	370
	371	void AliSTARTv1::StepManager()
	372	{
	373	//
	374	// Called for every step in the START Detector
	375	//
	376	Int_t id,copy,copy1;
	377	static Float_t hits[7];
	378	static Float_t edep;
	379	static Int_t vol[2];
	380	TLorentzVector pos;
	381
	382	TClonesArray &lhits = *fHits;
	383
	384	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	385	Float_t charge = gMC->TrackCharge();
	386	if(TMath::Abs(charge)<=0.) return; //take only charged particles
	387	id=gMC->CurrentVolID(copy);
	388
	389
724699e1	390	// Check the sensetive volume
bc46b572	391	if(id==fIdSens1 ) {
	392	if(gMC->IsTrackEntering()) {
	393	gMC->CurrentVolOffID(2,copy);
2ca99a7f	394	vol[1]=copy;
	395	gMC->CurrentVolOffID(3,copy1);
	396	vol[0]=copy1;
a94466c5	397
bc46b572	398	gMC->TrackPosition(pos);
	399	hits[0] = pos[0];
	400	hits[1] = pos[1];
	401	hits[2] = pos[2];
a94466c5	402	if(pos[2]<0) vol[0]=2;
	403	if(pos[2]>=0) vol[0]=1;
	404
bc46b572	405	Float_t etot=gMC->Etot();
bc46b572	406	hits[4]=etot;
ef51244a	407	Int_t iPart= gMC->TrackPid();
	408	Int_t partID=gMC->IdFromPDG(iPart);
	409	hits[5]=partID;
bc46b572	410	Float_t ttime=gMC->TrackTime();
	411	hits[6]=ttime*1e9;
	412	edep=0;
	413	}
	414	if(gMC->IsTrackInside()) {
	415	Float_t de=gMC->Edep();
	416	edep=edep+de;
f3ed336b	417	}
724699e1	418
	419	if(gMC->IsTrackExiting()) {
	420	Float_t de=gMC->Edep();
	421	edep=edep+de;
	422	hits[3]=edep*1e3;
	423	new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	424	}
bc46b572	425	}
	426	//---------------------------------------------------------------------
	427	}
	428
	429
	430
	431
	432
	433
	434
	435
	436