1 /**************************************************************************
2 * Copyright(c) 2007, 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 **************************************************************************/
18 // Base class for the EMCAL simulation parameters.
23 // --- Root header files ---
25 // --- AliRoot header files ---
26 #include "AliEMCALSimParam.h"
30 ClassImp(AliEMCALSimParam)
32 AliEMCALSimParam * AliEMCALSimParam::fgSimParam = 0 ;
33 //-----------------------------------------------------------------------------
34 AliEMCALSimParam::AliEMCALSimParam() :
37 fMeanPhotonElectron(0),
41 //fTimeSignalLength(0),
42 fNADCEC(0),//Digitizer
45 fECPrimThreshold(0.) //SDigitizer
49 //Parameters in Digitizer
50 fMeanPhotonElectron = 4400; // electrons per GeV
51 fPinNoise = 0.012; // pin noise in GeV from analysis test beam data
52 fDigitThreshold = 3; // 3 ADC counts not anymore cut in energy: //fPinNoise * 3; // 3 * sigma
53 fTimeResolution = 0.6e-9 ; // 600 psc
54 //fTimeSignalLength = 1.0e-9 ;
55 fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536
56 //fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ??
60 fB = 1.e+6; // Dynamic range now 2 TeV
61 fECPrimThreshold = 0.05; // GeV // threshold for deposit energy of hit
66 //-----------------------------------------------------------------------------
67 AliEMCALSimParam::AliEMCALSimParam(const AliEMCALSimParam& ):
70 fMeanPhotonElectron(0),
74 //fTimeSignalLength(0),//Digitizer
78 fECPrimThreshold(0.)//SDigitizer
81 AliError("Should not use copy constructor for singleton") ;
87 //-----------------------------------------------------------------------------
88 AliEMCALSimParam * AliEMCALSimParam::GetInstance(){
92 fgSimParam = new AliEMCALSimParam() ;
99 //-----------------------------------------------------------------------------
100 AliEMCALSimParam& AliEMCALSimParam::operator = (const AliEMCALSimParam& simParam)
102 //Assignment operator.
104 if(this != &simParam) {
105 AliError("Should not use operator= for singleton\n") ;
111 //-----------------------------------------------------------------------------
112 void AliEMCALSimParam::Print(Option_t *) const
114 // Print simulation parameters to stdout
116 printf("=== Parameters in Digitizer === \n");
117 printf("\t Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
118 printf("\t Threshold in EMC (fDigitThreshold) = %d\n", fDigitThreshold) ;
119 printf("\t Time Resolution (fTimeResolution) = %g\n", fTimeResolution) ;
120 printf("\t Mean Photon-Electron (fMeanPhotonElectron) = %d\n", fMeanPhotonElectron) ;
121 printf("\t N channels in EC section ADC (fNADCEC) = %d\n", fNADCEC) ;
125 printf("=== Parameters in SDigitizer === \n");
126 printf("\t sdigitization parameters A = %f\n", fA);
127 printf("\t B = %f\n", fB);
128 printf("\t Threshold for EC Primary assignment = %f\n", fECPrimThreshold);