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"
38 ClassImp(AliMUONResponseFactory)
41 //__________________________________________________________________________
42 AliMUONResponseFactory::AliMUONResponseFactory(const char* name)
47 /// Standard constructor
49 AliDebug(1,Form("ctor this=%p",this));
52 //__________________________________________________________________________
53 AliMUONResponseFactory::AliMUONResponseFactory()
58 /// Default constructor
60 AliDebug(1,Form("default (empty) ctor this=%p",this));
63 //__________________________________________________________________________
65 AliMUONResponseFactory::~AliMUONResponseFactory()
68 AliDebug(1,Form("dtor this=%p",this));
71 //__________________________________________________________________________
72 void AliMUONResponseFactory::BuildCommon()
74 /// Construct the default response.
76 // Default response: 5 mm of gas
77 fResponse0 = new AliMUONResponseV0;
78 fResponse0->SetSqrtKx3AndDeriveKx2Kx4(0.7131); // sqrt(0.5085)
79 fResponse0->SetSqrtKy3AndDeriveKy2Ky4(0.7642); // sqrt(0.5840)
80 fResponse0->SetPitch(AliMUONConstants::Pitch()); // anode-cathode distance
81 fResponse0->SetSigmaIntegration(10.);
82 fResponse0->SetChargeSlope(10);
83 fResponse0->SetChargeSpread(0.18, 0.18);
84 fResponse0->SetMaxAdc(4096);
85 fResponse0->SetSaturation(3000);
86 fResponse0->SetZeroSuppression(6);
89 //__________________________________________________________________________
90 void AliMUONResponseFactory::BuildStation1()
92 /// Configuration for Chamber TC1/2 (Station 1) ----------
94 // Response for 4 mm of gas (station 1)
95 // automatic consistency with width of sensitive medium in CreateGeometry ????
96 AliMUONResponseV0* responseSt1 = new AliMUONResponseV0;
97 // Mathieson parameters from L.Kharmandarian's thesis, page 190
98 responseSt1->SetSqrtKx3AndDeriveKx2Kx4(0.7000); // sqrt(0.4900)
99 responseSt1->SetSqrtKy3AndDeriveKy2Ky4(0.7550); // sqrt(0.5700)
100 responseSt1->SetPitch(AliMUONConstants::PitchSt1()); // anode-cathode distance
101 responseSt1->SetSigmaIntegration(10.);
102 // ChargeSlope larger to compensate for the smaller anode-cathode distance
103 // and keep the same most probable ADC channel for mip's
104 responseSt1->SetChargeSlope(62.5);
105 // assumed proportionality to anode-cathode distance for ChargeSpread
106 responseSt1->SetChargeSpread(0.144, 0.144);
107 responseSt1->SetMaxAdc(4096);
108 responseSt1->SetSaturation(3000);
109 responseSt1->SetZeroSuppression(6);
111 for (Int_t chamber = 0; chamber < 2; chamber++) {
112 fMUON->SetResponseModel(chamber, responseSt1); // special response
113 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
117 //__________________________________________________________________________
118 void AliMUONResponseFactory::BuildStation2()
120 /// Configuration for Chamber TC3/4 (Station 2) -----------
122 for (Int_t chamber = 2; chamber < 4; chamber++) {
123 fMUON->SetResponseModel(chamber, fResponse0); // normal response
124 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
128 //__________________________________________________________________________
129 void AliMUONResponseFactory::BuildStation3()
131 /// Configuration for Chamber TC5/6 (Station 3) ----------
133 for (Int_t chamber = 4; chamber < 6; chamber++) {
134 fMUON->SetResponseModel(chamber, fResponse0); // normal response
135 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
139 //__________________________________________________________________________
140 void AliMUONResponseFactory::BuildStation4()
142 /// Configuration for Chamber TC7/8 (Station 4) ----------
144 for (Int_t chamber = 6; chamber < 8; chamber++) {
145 fMUON->SetResponseModel(chamber, fResponse0); // normal response
146 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
150 //__________________________________________________________________________
151 void AliMUONResponseFactory::BuildStation5()
153 /// Configuration for Chamber TC9/10 (Station 5) ---------
155 for (Int_t chamber = 8; chamber < 10; chamber++) {
156 fMUON->SetResponseModel(chamber, fResponse0); // normal response
157 fMUON->Chamber(chamber).SetChargeCorrel(0.11); // 11% charge spread
161 //__________________________________________________________________________
162 void AliMUONResponseFactory::BuildStation6()
164 /// Configuration for Trigger Chambers (Station 6,7) ---------
166 Bool_t resTrigV1 = fMUON->GetTriggerResponseV1();
168 for (Int_t chamber = 10; chamber < 14; chamber++) {
171 fMUON->SetResponseModel(chamber, new AliMUONResponseTrigger);
173 fMUON->SetResponseModel(chamber, new AliMUONResponseTriggerV1);
175 fMUON->Chamber(chamber).SetChargeCorrel(0); // same charge on both cathodes
179 //__________________________________________________________________________
180 void AliMUONResponseFactory::Build(AliMUON* where)
182 /// Construct MUON responses
186 // Set default parameters
188 fMUON->SetMaxStepGas(0.1);
189 fMUON->SetMaxStepAlu(0.1);
201 //__________________________________________________________________________
202 void AliMUONResponseFactory::BuildStation(AliMUON* where, Int_t stationNumber)
204 /// Construct MUON responses for given station
207 if (!fResponse0) BuildCommon();
209 switch (stationNumber) {
210 case 1: BuildStation1(); break;
211 case 2: BuildStation2(); break;
212 case 3: BuildStation3(); break;
213 case 4: BuildStation4(); break;
214 case 5: BuildStation5(); break;
215 case 6: BuildStation6(); break;
217 default: AliFatal("Wrong station number");