RICH/AliRICHv0.cxx

   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 /* $Id$ */
  17
  18
  19 /////////////////////////////////////////////////////////////
  20 //  Manager and hits classes for set: RICH default version //
  21 /////////////////////////////////////////////////////////////
  22
  23 #include "Riostream.h"
  24
  25 #include <TNode.h>
  26 #include <TRandom.h>
  27 #include <TTUBE.h>
  28 #include <TVirtualMC.h>
  29
  30 #include "AliConst.h"
  31 #include "AliPDG.h"
  32 #include "AliRICHGeometry.h"
  33 #include "AliRICHResponse.h"
  34 #include "AliRICHResponseV0.h"
  35 #include "AliRICHSegmentationV0.h"
  36 #include "AliRICHv0.h"
  37 #include "AliRun.h"
  38
  39 ClassImp(AliRICHv0)
  40
  41 //___________________________________________
  42 AliRICHv0::AliRICHv0(const char *name, const char *title)
  43           :AliRICH(name,title)
  44 {
  45 //
  46 // Version 0
  47 // Default Segmentation, no hits
  48     AliRICHSegmentationV0* segmentation = new AliRICHSegmentationV0;
  49 //
  50 //  Segmentation parameters
  51     segmentation->SetPadSize(0.84,0.80);
  52     segmentation->SetDAnod(0.84/2);
  53 //
  54 //  Geometry parameters
  55     AliRICHGeometry* geometry = new AliRICHGeometry;
  56     geometry->SetGapThickness(8);
  57     geometry->SetProximityGapThickness(.4);
  58     geometry->SetQuartzLength(131);
  59     geometry->SetQuartzWidth(126.2);
  60     geometry->SetQuartzThickness(.5);
  61     geometry->SetOuterFreonLength(131);
  62     geometry->SetOuterFreonWidth(40.3);
  63     geometry->SetInnerFreonLength(131);
  64     geometry->SetInnerFreonWidth(40.3);
  65     geometry->SetFreonThickness(1.5);
  66 //
  67 //  Response parameters
  68     AliRICHResponseV0*  response   = new AliRICHResponseV0;
  69     response->SetSigmaIntegration(5.);
  70     response->SetChargeSlope(27.);
  71     response->SetChargeSpread(0.18, 0.18);
  72     response->SetMaxAdc(4096);
  73     response->SetAlphaFeedback(0.036);
  74     response->SetEIonisation(26.e-9);
  75     response->SetSqrtKx3(0.77459667);
  76     response->SetKx2(0.962);
  77     response->SetKx4(0.379);
  78     response->SetSqrtKy3(0.77459667);
  79     response->SetKy2(0.962);
  80     response->SetKy4(0.379);
  81     response->SetPitch(0.25);
  82     response->SetWireSag(0);                     // 1->On, 0->Off
  83     response->SetVoltage(2150);                  // Should only be 2000, 2050, 2100 or 2150
  84 //
  85 //    AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
  86
  87     fCkovNumber=0;
  88     fFreonProd=0;
  89     Int_t i=0;
  90
  91     fChambers = new TObjArray(kNCH);
  92     for (i=0; i<kNCH; i++) {
  93
  94       //PH      (*fChambers)[i] = new AliRICHChamber();
  95       fChambers->AddAt(new AliRICHChamber(), i);
  96
  97     }
  98
  99     for (i=0; i<kNCH; i++) {
 100       SetGeometryModel(i,geometry);
 101       SetSegmentationModel(i, segmentation);
 102       SetResponseModel(i, response);
 103     }
 104 }//name ctor
 105 //______________________________________________________________________________
 106 void AliRICHv0::StepManager()
 107 {//
 108 }//AliRICHv0::StepManager()
 109 //______________________________________________________________________________