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33a52e55 | 1 | /************************************************************************** |
2 | * Copyright(c) 2007, 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 | // Base class for the EMCAL simulation parameters. | |
19 | // | |
20 | // | |
21 | */ | |
22 | ||
23 | // --- Root header files --- | |
24 | #include "TMath.h" | |
25 | // --- AliRoot header files --- | |
26 | #include "AliEMCALSimParam.h" | |
27 | #include "AliLog.h" | |
28 | ||
29 | ||
30 | ClassImp(AliEMCALSimParam) | |
31 | ||
32 | AliEMCALSimParam * AliEMCALSimParam::fgSimParam = 0 ; | |
33 | //----------------------------------------------------------------------------- | |
34 | AliEMCALSimParam::AliEMCALSimParam() : | |
35 | TNamed(), | |
36 | fDigitThreshold(0), | |
37 | fMeanPhotonElectron(0), | |
38 | fPinNoise(0), | |
f0a6dc6f | 39 | fTimeDelay(0), |
a2f8e711 | 40 | fTimeResolutionPar0(0), |
41 | fTimeResolutionPar1(0), | |
33a52e55 | 42 | fNADCEC(0),//Digitizer |
43 | fA(0.), | |
44 | fB(0.), | |
45 | fECPrimThreshold(0.) //SDigitizer | |
46 | { | |
47 | //Constructor | |
48 | ||
49 | //Parameters in Digitizer | |
50 | fMeanPhotonElectron = 4400; // electrons per GeV | |
51 | fPinNoise = 0.012; // pin noise in GeV from analysis test beam data | |
4354827d | 52 | fDigitThreshold = 3; // 3 ADC counts not anymore cut in energy: //fPinNoise * 3; // 3 * sigma |
a2f8e711 | 53 | fTimeResolutionPar0 = 0.26666; // From F. Blanco: 0.51639^2 |
54 | fTimeResolutionPar1 = 1.45861; // From F. Blanco: 1.20773^2 | |
55 | fTimeDelay = 600e-9 ; // 600 ns | |
f0a6dc6f | 56 | |
33a52e55 | 57 | fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 |
33a52e55 | 58 | |
59 | //SDigitizer | |
60 | fA = 0; | |
61 | fB = 1.e+6; // Dynamic range now 2 TeV | |
62 | fECPrimThreshold = 0.05; // GeV // threshold for deposit energy of hit | |
63 | ||
64 | } | |
65 | ||
66 | ||
67 | //----------------------------------------------------------------------------- | |
68 | AliEMCALSimParam::AliEMCALSimParam(const AliEMCALSimParam& ): | |
69 | TNamed(), | |
70 | fDigitThreshold(0), | |
71 | fMeanPhotonElectron(0), | |
72 | fPinNoise(0), | |
f0a6dc6f | 73 | fTimeDelay(0), |
a2f8e711 | 74 | fTimeResolutionPar0(0), |
75 | fTimeResolutionPar1(0), | |
33a52e55 | 76 | fNADCEC(0), |
77 | fA(0.), | |
78 | fB(0.), | |
79 | fECPrimThreshold(0.)//SDigitizer | |
80 | { | |
81 | //Copy constructor. | |
82 | AliError("Should not use copy constructor for singleton") ; | |
83 | ||
84 | fgSimParam = this ; | |
85 | ||
86 | } | |
87 | ||
88 | //----------------------------------------------------------------------------- | |
89 | AliEMCALSimParam * AliEMCALSimParam::GetInstance(){ | |
90 | // Get Instance | |
91 | ||
92 | if(!fgSimParam){ | |
93 | fgSimParam = new AliEMCALSimParam() ; | |
94 | } | |
95 | ||
96 | return fgSimParam ; | |
97 | ||
98 | } | |
99 | ||
100 | //----------------------------------------------------------------------------- | |
101 | AliEMCALSimParam& AliEMCALSimParam::operator = (const AliEMCALSimParam& simParam) | |
102 | { | |
103 | //Assignment operator. | |
104 | ||
105 | if(this != &simParam) { | |
106 | AliError("Should not use operator= for singleton\n") ; | |
107 | } | |
108 | ||
109 | return *this; | |
110 | } | |
111 | ||
112 | //----------------------------------------------------------------------------- | |
113 | void AliEMCALSimParam::Print(Option_t *) const | |
114 | { | |
115 | // Print simulation parameters to stdout | |
116 | ||
117 | printf("=== Parameters in Digitizer === \n"); | |
118 | printf("\t Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ; | |
4354827d | 119 | printf("\t Threshold in EMC (fDigitThreshold) = %d\n", fDigitThreshold) ; |
a2f8e711 | 120 | printf("\t Time Resolution (fTimeResolutionPar0) = %g\n", fTimeResolutionPar0) ; |
121 | printf("\t Time Resolution (fTimeResolutionPar1) = %g\n", fTimeResolutionPar1) ; | |
f0a6dc6f | 122 | printf("\t Time Delay (fTimeDelay) = %g\n", fTimeDelay) ; |
4354827d | 123 | printf("\t Mean Photon-Electron (fMeanPhotonElectron) = %d\n", fMeanPhotonElectron) ; |
33a52e55 | 124 | printf("\t N channels in EC section ADC (fNADCEC) = %d\n", fNADCEC) ; |
125 | ||
126 | printf("\n"); | |
127 | ||
128 | printf("=== Parameters in SDigitizer === \n"); | |
129 | printf("\t sdigitization parameters A = %f\n", fA); | |
130 | printf("\t B = %f\n", fB); | |
131 | printf("\t Threshold for EC Primary assignment = %f\n", fECPrimThreshold); | |
132 | ||
133 | } | |
134 |