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 "AliMUONChamber.h"
33 #include "AliMUONResponseV0.h"
34 #include "AliMUONResponseTrigger.h"
35 #include "AliMUONResponseTriggerV1.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 //__________________________________________________________________________
63 AliMUONResponseFactory::~AliMUONResponseFactory()
66 AliDebug(1,Form("dtor this=%p",this));
69 //__________________________________________________________________________
70 void AliMUONResponseFactory::BuildCommon()
72 /// Construct the default response.
74 // Default response: 5 mm of gas
75 fResponse0 = new AliMUONResponseV0;
76 fResponse0->SetSqrtKx3AndDeriveKx2Kx4(0.7131); // sqrt(0.5085)
77 fResponse0->SetSqrtKy3AndDeriveKy2Ky4(0.7642); // sqrt(0.5840)
78 fResponse0->SetPitch(AliMUONConstants::Pitch()); // anode-cathode distance
79 fResponse0->SetSigmaIntegration(10.);
80 fResponse0->SetChargeSlope(10);
81 fResponse0->SetChargeSpread(0.18, 0.18);
82 fResponse0->SetMaxAdc(4096);
83 fResponse0->SetSaturation(3000);
84 fResponse0->SetZeroSuppression(6);
87 //__________________________________________________________________________
88 void AliMUONResponseFactory::BuildStation1()
90 /// Configuration for Chamber TC1/2 (Station 1) ----------
92 // Response for 4 mm of gas (station 1)
93 // automatic consistency with width of sensitive medium in CreateGeometry ????
94 AliMUONResponseV0* responseSt1 = new AliMUONResponseV0;
95 // Mathieson parameters from L.Kharmandarian's thesis, page 190
96 responseSt1->SetSqrtKx3AndDeriveKx2Kx4(0.7000); // sqrt(0.4900)
97 responseSt1->SetSqrtKy3AndDeriveKy2Ky4(0.7550); // sqrt(0.5700)
98 responseSt1->SetPitch(AliMUONConstants::PitchSt1()); // anode-cathode distance
99 responseSt1->SetSigmaIntegration(10.);
100 // ChargeSlope larger to compensate for the smaller anode-cathode distance
101 // and keep the same most probable ADC channel for mip's
102 responseSt1->SetChargeSlope(62.5);
103 // assumed proportionality to anode-cathode distance for ChargeSpread
104 responseSt1->SetChargeSpread(0.144, 0.144);
105 responseSt1->SetMaxAdc(4096);
106 responseSt1->SetSaturation(3000);
107 responseSt1->SetZeroSuppression(6);
109 for (Int_t chamber = 0; chamber < 2; chamber++) {
110 fMUON->SetResponseModel(chamber, responseSt1); // special response
111 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
115 //__________________________________________________________________________
116 void AliMUONResponseFactory::BuildStation2()
118 /// Configuration for Chamber TC3/4 (Station 2) -----------
120 for (Int_t chamber = 2; chamber < 4; chamber++) {
121 fMUON->SetResponseModel(chamber, fResponse0); // normal response
122 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
126 //__________________________________________________________________________
127 void AliMUONResponseFactory::BuildStation3()
129 /// Configuration for Chamber TC5/6 (Station 3) ----------
131 for (Int_t chamber = 4; chamber < 6; chamber++) {
132 fMUON->SetResponseModel(chamber, fResponse0); // normal response
133 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
137 //__________________________________________________________________________
138 void AliMUONResponseFactory::BuildStation4()
140 /// Configuration for Chamber TC7/8 (Station 4) ----------
142 for (Int_t chamber = 6; chamber < 8; chamber++) {
143 fMUON->SetResponseModel(chamber, fResponse0); // normal response
144 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
148 //__________________________________________________________________________
149 void AliMUONResponseFactory::BuildStation5()
151 /// Configuration for Chamber TC9/10 (Station 5) ---------
153 for (Int_t chamber = 8; chamber < 10; chamber++) {
154 fMUON->SetResponseModel(chamber, fResponse0); // normal response
155 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
159 //__________________________________________________________________________
160 void AliMUONResponseFactory::BuildStation6()
162 /// Configuration for Trigger Chambers (Station 6,7) ---------
164 Bool_t resTrigV1 = fMUON->GetTriggerResponseV1();
166 for (Int_t chamber = 10; chamber < 14; chamber++) {
169 fMUON->SetResponseModel(chamber, new AliMUONResponseTrigger);
171 fMUON->SetResponseModel(chamber, new AliMUONResponseTriggerV1);
173 fMUON->Chamber(chamber).SetChargeCorrel(0); // same charge on both cathodes
177 //__________________________________________________________________________
178 void AliMUONResponseFactory::Build(AliMUON* where)
180 /// Construct MUON responses
184 // Set default parameters
186 fMUON->SetMaxStepGas(0.1);
187 fMUON->SetMaxStepAlu(0.1);
199 //__________________________________________________________________________
200 void AliMUONResponseFactory::BuildStation(AliMUON* where, Int_t stationNumber)
202 /// Construct MUON responses for given station
205 if (!fResponse0) BuildCommon();
207 switch (stationNumber) {
208 case 1: BuildStation1(); break;
209 case 2: BuildStation2(); break;
210 case 3: BuildStation3(); break;
211 case 4: BuildStation4(); break;
212 case 5: BuildStation5(); break;
213 case 6: BuildStation6(); break;
215 default: AliFatal("Wrong station number");