1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 // -----------------------------
17 // Class AliMUONResponseFactory
18 // -----------------------------
19 // Factory for muon response
20 // Class separated from AliMUONFactoryV4
24 #include "AliMUONResponseFactory.h"
28 #include "AliMpPlaneType.h"
31 #include "AliMUONConstants.h"
32 #include "AliMUONTriggerConstants.h"
33 #include "AliMUONChamber.h"
34 #include "AliMUONResponseV0.h"
35 #include "AliMUONResponseTrigger.h"
37 ClassImp(AliMUONResponseFactory)
39 //__________________________________________________________________________
40 AliMUONResponseFactory::AliMUONResponseFactory(const char* name)
45 /// Standard constructor
47 AliDebug(1,Form("ctor this=%p",this));
50 //__________________________________________________________________________
51 AliMUONResponseFactory::AliMUONResponseFactory()
56 /// Default constructor
58 AliDebug(1,Form("default (empty) ctor this=%p",this));
61 //__________________________________________________________________________
62 AliMUONResponseFactory::AliMUONResponseFactory(const AliMUONResponseFactory& rhs)
65 /// Protected copy constructor
67 AliFatal("Not implemented.");
70 //__________________________________________________________________________
72 AliMUONResponseFactory::~AliMUONResponseFactory()
75 AliDebug(1,Form("dtor this=%p",this));
78 //__________________________________________________________________________
79 AliMUONResponseFactory& AliMUONResponseFactory::operator=(const AliMUONResponseFactory& rhs)
81 /// Protected assignement operator
83 if (this == &rhs) return *this;
85 AliFatal("Not implemented.");
90 //__________________________________________________________________________
91 void AliMUONResponseFactory::BuildCommon()
93 /// Construct the default response.
95 // Default response: 5 mm of gas
96 fResponse0 = new AliMUONResponseV0;
97 fResponse0->SetSqrtKx3AndDeriveKx2Kx4(0.7131); // sqrt(0.5085)
98 fResponse0->SetSqrtKy3AndDeriveKy2Ky4(0.7642); // sqrt(0.5840)
99 fResponse0->SetPitch(AliMUONConstants::Pitch()); // anode-cathode distance
100 fResponse0->SetSigmaIntegration(10.);
101 fResponse0->SetChargeSlope(10);
102 fResponse0->SetChargeSpread(0.18, 0.18);
103 fResponse0->SetMaxAdc(4096);
104 fResponse0->SetSaturation(3000);
105 fResponse0->SetZeroSuppression(6);
108 //__________________________________________________________________________
109 void AliMUONResponseFactory::BuildStation1()
111 /// Configuration for Chamber TC1/2 (Station 1) ----------
113 // Response for 4 mm of gas (station 1)
114 // automatic consistency with width of sensitive medium in CreateGeometry ????
115 AliMUONResponseV0* responseSt1 = new AliMUONResponseV0;
116 // Mathieson parameters from L.Kharmandarian's thesis, page 190
117 responseSt1->SetSqrtKx3AndDeriveKx2Kx4(0.7000); // sqrt(0.4900)
118 responseSt1->SetSqrtKy3AndDeriveKy2Ky4(0.7550); // sqrt(0.5700)
119 responseSt1->SetPitch(AliMUONConstants::PitchSt1()); // anode-cathode distance
120 responseSt1->SetSigmaIntegration(10.);
121 // ChargeSlope larger to compensate for the smaller anode-cathode distance
122 // and keep the same most probable ADC channel for mip's
123 responseSt1->SetChargeSlope(62.5);
124 // assumed proportionality to anode-cathode distance for ChargeSpread
125 responseSt1->SetChargeSpread(0.144, 0.144);
126 responseSt1->SetMaxAdc(4096);
127 responseSt1->SetSaturation(3000);
128 responseSt1->SetZeroSuppression(6);
130 for (Int_t chamber = 0; chamber < 2; chamber++) {
131 fMUON->SetResponseModel(chamber, responseSt1); // special response
132 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
136 //__________________________________________________________________________
137 void AliMUONResponseFactory::BuildStation2()
139 /// Configuration for Chamber TC3/4 (Station 2) -----------
141 for (Int_t chamber = 2; chamber < 4; chamber++) {
142 fMUON->SetResponseModel(chamber, fResponse0); // normal response
143 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
147 //__________________________________________________________________________
148 void AliMUONResponseFactory::BuildStation3()
150 /// Configuration for Chamber TC5/6 (Station 3) ----------
152 for (Int_t chamber = 4; chamber < 6; chamber++) {
153 fMUON->SetResponseModel(chamber, fResponse0); // normal response
154 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
158 //__________________________________________________________________________
159 void AliMUONResponseFactory::BuildStation4()
161 /// Configuration for Chamber TC7/8 (Station 4) ----------
163 for (Int_t chamber = 6; chamber < 8; chamber++) {
164 fMUON->SetResponseModel(chamber, fResponse0); // normal response
165 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
169 //__________________________________________________________________________
170 void AliMUONResponseFactory::BuildStation5()
172 /// Configuration for Chamber TC9/10 (Station 5) ---------
174 for (Int_t chamber = 8; chamber < 10; chamber++) {
175 fMUON->SetResponseModel(chamber, fResponse0); // normal response
176 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
180 //__________________________________________________________________________
181 void AliMUONResponseFactory::BuildStation6()
183 /// Configuration for Trigger Chambers (Station 6,7) ---------
185 for (Int_t chamber = 10; chamber < 14; chamber++) {
187 fMUON->SetResponseModel(chamber, new AliMUONResponseTrigger);
188 fMUON->Chamber(chamber).SetChargeCorrel(0); // same charge on both cathodes
192 //__________________________________________________________________________
193 void AliMUONResponseFactory::Build(AliMUON* where)
195 /// Construct MUON responses
199 // Set default parameters
201 fMUON->SetMaxStepGas(0.1);
202 fMUON->SetMaxStepAlu(0.1);
214 //__________________________________________________________________________
215 void AliMUONResponseFactory::BuildStation(AliMUON* where, Int_t stationNumber)
217 /// Construct MUON responses for given station
220 if (!fResponse0) BuildCommon();
222 switch (stationNumber) {
223 case 1: BuildStation1(); break;
224 case 2: BuildStation2(); break;
225 case 3: BuildStation3(); break;
226 case 4: BuildStation4(); break;
227 case 5: BuildStation5(); break;
228 case 6: BuildStation6(); break;
230 default: AliFatal("Wrong station number");