X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRDSimParam.cxx;h=a3198619a86158c11bb5fadea5ce80cbf5dd3f0a;hb=26733ed45690afda14eddbec7e7980a8d5a7cce6;hp=97b3c6443af009cb17bb44043e67bd5f6b60a4dd;hpb=3551db50bea6c225a5bc024af273b031961d6539;p=u%2Fmrichter%2FAliRoot.git diff --git a/TRD/AliTRDSimParam.cxx b/TRD/AliTRDSimParam.cxx index 97b3c6443af..a3198619a86 100644 --- a/TRD/AliTRDSimParam.cxx +++ b/TRD/AliTRDSimParam.cxx @@ -15,25 +15,27 @@ /* $Id$ */ -/////////////////////////////////////////////////////////////////////////////// -// // -// Class containing constant simulation parameters // -// // -// Request an instance with AliTRDSimParam::Instance() // -// Then request the needed values // -// // -/////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////// +// // +// Class containing constant simulation parameters // +// // +// Request an instance with AliTRDSimParam::Instance() // +// Then request the needed values // +// // +//////////////////////////////////////////////////////////////////////////// #include #include "AliRun.h" #include "AliTRDSimParam.h" +#include "AliTRDCommonParam.h" +#include "AliLog.h" ClassImp(AliTRDSimParam) -AliTRDSimParam* AliTRDSimParam::fgInstance = 0; -Bool_t AliTRDSimParam::fgTerminated = kFALSE; +AliTRDSimParam *AliTRDSimParam::fgInstance = 0; +Bool_t AliTRDSimParam::fgTerminated = kFALSE; //_ singleton implementation __________________________________________________ AliTRDSimParam* AliTRDSimParam::Instance() @@ -43,133 +45,127 @@ AliTRDSimParam* AliTRDSimParam::Instance() // Returns an instance of this class, it is created if neccessary // - if (fgTerminated != kFALSE) + if (fgTerminated != kFALSE) { return 0; + } - if (fgInstance == 0) + if (fgInstance == 0) { fgInstance = new AliTRDSimParam(); - + } + return fgInstance; + } +//_ singleton implementation __________________________________________________ void AliTRDSimParam::Terminate() { // // Singleton implementation - // Deletes the instance of this class and sets the terminated flag, instances cannot be requested anymore + // Deletes the instance of this class and sets the terminated flag, + // instances cannot be requested anymore // This function can be called several times. // fgTerminated = kTRUE; - if (fgInstance != 0) - { + if (fgInstance != 0) { delete fgInstance; fgInstance = 0; } + } //_____________________________________________________________________________ AliTRDSimParam::AliTRDSimParam() + :TObject() + ,fGasGain(0.0) + ,fNoise(0.0) + ,fChipGain(0.0) + ,fADCoutRange(0.0) + ,fADCinRange(0.0) + ,fADCbaseline(0) + ,fDiffusionOn(kFALSE) + ,fElAttachOn(kFALSE) + ,fElAttachProp(0.0) + ,fTRFOn(kFALSE) + ,fTRFsmp(0) + ,fTRFbin(0) + ,fTRFlo(0.0) + ,fTRFhi(0.0) + ,fTRFwid(0.0) + ,fCTOn(kFALSE) + ,fCTsmp(0) + ,fPadCoupling(0.0) + ,fTimeCoupling(0.0) + ,fTimeStructOn(kFALSE) + ,fPRFOn(kFALSE) + ,fNTimeBins(0) + ,fNTBoverwriteOCDB(kFALSE) { // - // default constructor + // Default constructor // - fGasGain = 0.0; - fNoise = 0.0; - fChipGain = 0.0; - - fADCoutRange = 0.0; - fADCinRange = 0.0; - fADCthreshold = 0; - fADCbaseline = 0; - - fDiffusionOn = kFALSE; - - fElAttachOn = kFALSE; - fElAttachProp = 0.0; - - fTRFOn = kFALSE; - fTRFsmp = 0; - fTRFbin = 0; - fTRFlo = 0.0; - fTRFhi = 0.0; - fTRFwid = 0.0; - - fCTOn = kFALSE; - fCTsmp = 0; - - fTCOn = kFALSE; - - fTCnexp = 0; - - fAnodeWireOffset = 0.0; - fPadCoupling = 0.0; - fTimeCoupling = 0.0; - fTimeStructOn = kFALSE; - Init(); + } //_____________________________________________________________________________ void AliTRDSimParam::Init() { // - // default initializiation + // Default initializiation // // The default parameter for the digitization - fGasGain = 4000.; - fChipGain = 12.4; - fNoise = 1000.; - fADCoutRange = 1023.; // 10-bit ADC - fADCinRange = 2000.; // 2V input range - fADCthreshold = 1; - fADCbaseline = 0; + fGasGain = 4000.0; + fChipGain = 12.4; + fNoise = 1250.0; + fADCoutRange = 1023.0; // 10-bit ADC + fADCinRange = 2000.0; // 2V input range + fADCbaseline = 10; // Diffusion on - fDiffusionOn = kTRUE; + fDiffusionOn = kTRUE; // Propability for electron attachment - fElAttachOn = kFALSE; - fElAttachProp = 0.0; + fElAttachOn = kFALSE; + fElAttachProp = 0.0; // The time response function - fTRFOn = kTRUE; + fTRFOn = kTRUE; // The cross talk - fCTOn = kTRUE; - - // The tail cancelation - fTCOn = kTRUE; - - // The number of exponentials - fTCnexp = 1; + fCTOn = kTRUE; // The pad coupling factor - //fPadCoupling = 0.3; - // Use 0.46 instead which reproduces better the test beam - // data, even tough it is not understood why. - fPadCoupling = 0.46; + // Use 0.46, instead of the theroetical value 0.3, since it reproduces better + // the test beam data, even tough it is not understood why. + fPadCoupling = 0.46; // The time coupling factor (same number as for the TPC) - fTimeCoupling = 0.4; - - // Distance of first Anode wire from first pad edge - fAnodeWireOffset = 0.25; + fTimeCoupling = 0.4; // Use drift time maps - fTimeStructOn = kTRUE; + fTimeStructOn = kTRUE; + // The pad response function + fPRFOn = kTRUE; + + // The number of time bins + fNTimeBins = 27; + fNTBoverwriteOCDB = kFALSE; + ReInit(); -}; + +} //_____________________________________________________________________________ AliTRDSimParam::~AliTRDSimParam() { // - // destructor + // Destructor // if (fTRFsmp) { @@ -181,18 +177,53 @@ AliTRDSimParam::~AliTRDSimParam() delete [] fCTsmp; fCTsmp = 0; } -}; + +} //_____________________________________________________________________________ -AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p):TObject(p) +AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p) + :TObject(p) + ,fGasGain(p.fGasGain) + ,fNoise(p.fNoise) + ,fChipGain(p.fChipGain) + ,fADCoutRange(p.fADCoutRange) + ,fADCinRange(p.fADCinRange) + ,fADCbaseline(p.fADCbaseline) + ,fDiffusionOn(p.fDiffusionOn) + ,fElAttachOn(p.fElAttachOn) + ,fElAttachProp(p.fElAttachProp) + ,fTRFOn(p.fTRFOn) + ,fTRFsmp(0) + ,fTRFbin(p.fTRFbin) + ,fTRFlo(p.fTRFlo) + ,fTRFhi(p.fTRFhi) + ,fTRFwid(p.fTRFwid) + ,fCTOn(p.fCTOn) + ,fCTsmp(0) + ,fPadCoupling(p.fPadCoupling) + ,fTimeCoupling(p.fTimeCoupling) + ,fTimeStructOn(p.fTimeStructOn) + ,fPRFOn(p.fPRFOn) + ,fNTimeBins(p.fNTimeBins) + ,fNTBoverwriteOCDB(p.fNTBoverwriteOCDB) { // - // copy constructor + // Copy constructor // - ((AliTRDSimParam &) p).Copy(*this); -} + Int_t iBin = 0; + + fTRFsmp = new Float_t[fTRFbin]; + for (iBin = 0; iBin < fTRFbin; iBin++) { + fTRFsmp[iBin] = ((AliTRDSimParam &) p).fTRFsmp[iBin]; + } + + fCTsmp = new Float_t[fTRFbin]; + for (iBin = 0; iBin < fTRFbin; iBin++) { + fCTsmp[iBin] = ((AliTRDSimParam &) p).fCTsmp[iBin]; + } +} //_____________________________________________________________________________ AliTRDSimParam &AliTRDSimParam::operator=(const AliTRDSimParam &p) @@ -201,8 +232,56 @@ AliTRDSimParam &AliTRDSimParam::operator=(const AliTRDSimParam &p) // Assignment operator // - if (this != &p) ((AliTRDSimParam &) p).Copy(*this); + if (this == &p) { + return *this; + } + + Init(); + + fGasGain = p.fGasGain; + fNoise = p.fNoise; + fChipGain = p.fChipGain; + fADCoutRange = p.fADCoutRange; + fADCinRange = p.fADCinRange; + fADCbaseline = p.fADCbaseline; + fDiffusionOn = p.fDiffusionOn; + fElAttachOn = p.fElAttachOn; + fElAttachProp = p.fElAttachProp; + fTRFOn = p.fTRFOn; + fTRFsmp = 0; + fTRFbin = p.fTRFbin; + fTRFlo = p.fTRFlo; + fTRFhi = p.fTRFhi; + fTRFwid = p.fTRFwid; + fCTOn = p.fCTOn; + fCTsmp = 0; + fPadCoupling = p.fPadCoupling; + fTimeCoupling = p.fTimeCoupling; + fTimeStructOn = p.fTimeStructOn; + fPRFOn = p.fPRFOn; + fNTimeBins = p.fNTimeBins; + fNTBoverwriteOCDB = p.fNTBoverwriteOCDB; + + Int_t iBin = 0; + + if (fTRFsmp) { + delete[] fTRFsmp; + } + fTRFsmp = new Float_t[fTRFbin]; + for (iBin = 0; iBin < fTRFbin; iBin++) { + fTRFsmp[iBin] = ((AliTRDSimParam &) p).fTRFsmp[iBin]; + } + + if (fCTsmp) { + delete[] fCTsmp; + } + fCTsmp = new Float_t[fTRFbin]; + for (iBin = 0; iBin < fTRFbin; iBin++) { + fCTsmp[iBin] = ((AliTRDSimParam &) p).fCTsmp[iBin]; + } + return *this; + } //_____________________________________________________________________________ @@ -212,51 +291,48 @@ void AliTRDSimParam::Copy(TObject &p) const // Copy function // - AliTRDSimParam* target = dynamic_cast (&p); - if (!target) + AliTRDSimParam *target = dynamic_cast (&p); + if (!target) { return; + } target->fGasGain = fGasGain; - //target->fField = fField; target->fNoise = fNoise; - target->fChipGain = fChipGain; - + target->fChipGain = fChipGain; target->fADCoutRange = fADCoutRange; target->fADCinRange = fADCinRange; - target->fADCthreshold = fADCthreshold; target->fADCbaseline = fADCbaseline; - target->fDiffusionOn = fDiffusionOn; - target->fElAttachOn = fElAttachOn; target->fElAttachProp = fElAttachProp; - target->fTRFOn = fTRFOn; - if (target->fTRFsmp) - delete[] target->fTRFsmp; - target->fTRFsmp = new Float_t[fTRFbin]; - for (Int_t iBin = 0; iBin < fTRFbin; iBin++) { - target->fTRFsmp[iBin] = fTRFsmp[iBin]; - } target->fTRFbin = fTRFbin; target->fTRFlo = fTRFlo; target->fTRFhi = fTRFhi; target->fTRFwid = fTRFwid; - target->fCTOn = fCTOn; - if (target->fCTsmp) + target->fPadCoupling = fPadCoupling; + target->fTimeCoupling = fTimeCoupling; + target->fPRFOn = fPRFOn; + target->fNTimeBins = fNTimeBins; + target->fNTBoverwriteOCDB = fNTBoverwriteOCDB; + + if (target->fTRFsmp) { + delete[] target->fTRFsmp; + } + target->fTRFsmp = new Float_t[fTRFbin]; + for (Int_t iBin = 0; iBin < fTRFbin; iBin++) { + target->fTRFsmp[iBin] = fTRFsmp[iBin]; + } + + if (target->fCTsmp) { delete[] target->fCTsmp; + } target->fCTsmp = new Float_t[fTRFbin]; for (Int_t iBin = 0; iBin < fTRFbin; iBin++) { target->fCTsmp[iBin] = fCTsmp[iBin]; } - target->fTCOn = fTCOn; - target->fTCnexp = fTCnexp; - - target->fAnodeWireOffset = fAnodeWireOffset; - target->fPadCoupling = fPadCoupling; - target->fTimeCoupling = fTimeCoupling; } //_____________________________________________________________________________ @@ -266,263 +342,151 @@ void AliTRDSimParam::ReInit() // Reinitializes the parameter class after a change // - // The range and the binwidth for the sampled TRF - fTRFbin = 100; - // Start 0.2 mus before the signal - fTRFlo = -0.2; - // End the maximum drift time after the signal - fTRFhi = 2.2; - // + if (AliTRDCommonParam::Instance()->IsXenon()) { + // The range and the binwidth for the sampled TRF + fTRFbin = 200; + // Start 0.2 mus before the signal + fTRFlo = -0.4; + // End the maximum drift time after the signal + fTRFhi = 3.58; + // Standard gas gain + fGasGain = 4000.0; + } + else if (AliTRDCommonParam::Instance()->IsArgon()) { + // The range and the binwidth for the sampled TRF + fTRFbin = 50; + // Start 0.2 mus before the signal + fTRFlo = 0.02; + // End the maximum drift time after the signal + fTRFhi = 1.98; + // Higher gas gain + fGasGain = 8000.0; + } + else { + AliFatal("Not a valid gas mixture!"); + exit(1); + } fTRFwid = (fTRFhi - fTRFlo) / ((Float_t) fTRFbin); // Create the sampled TRF SampleTRF(); + } //_____________________________________________________________________________ void AliTRDSimParam::SampleTRF() { // - // Samples the time response function - // - // New TRF from Venelin Angelov, simulated with CADENCE - // Pad-ground capacitance = 25 pF - // Pad-pad cross talk capacitance = 6 pF + // Samples the new time response function. // - Int_t ipos1; - Int_t ipos2; - Float_t diff; - - const Int_t kNpasa = 252; - - Float_t time[kNpasa] = { -0.220000, -0.210000, -0.200000, -0.190000 - , -0.180000, -0.170000, -0.160000, -0.150000 - , -0.140000, -0.130000, -0.120000, -0.110000 - , -0.100000, -0.090000, -0.080000, -0.070000 - , -0.060000, -0.050000, -0.040000, -0.030000 - , -0.020000, -0.010000, -0.000000, 0.010000 - , 0.020000, 0.030000, 0.040000, 0.050000 - , 0.060000, 0.070000, 0.080000, 0.090000 - , 0.100000, 0.110000, 0.120000, 0.130000 - , 0.140000, 0.150000, 0.160000, 0.170000 - , 0.180000, 0.190000, 0.200000, 0.210000 - , 0.220000, 0.230000, 0.240000, 0.250000 - , 0.260000, 0.270000, 0.280000, 0.290000 - , 0.300000, 0.310000, 0.320000, 0.330000 - , 0.340000, 0.350000, 0.360000, 0.370000 - , 0.380000, 0.390000, 0.400000, 0.410000 - , 0.420000, 0.430000, 0.440000, 0.450000 - , 0.460000, 0.470000, 0.480000, 0.490000 - , 0.500000, 0.510000, 0.520000, 0.530000 - , 0.540000, 0.550000, 0.560000, 0.570000 - , 0.580000, 0.590000, 0.600000, 0.610000 - , 0.620000, 0.630000, 0.640000, 0.650000 - , 0.660000, 0.670000, 0.680000, 0.690000 - , 0.700000, 0.710000, 0.720000, 0.730000 - , 0.740000, 0.750000, 0.760000, 0.770000 - , 0.780000, 0.790000, 0.800000, 0.810000 - , 0.820000, 0.830000, 0.840000, 0.850000 - , 0.860000, 0.870000, 0.880000, 0.890000 - , 0.900000, 0.910000, 0.920000, 0.930000 - , 0.940000, 0.950000, 0.960000, 0.970000 - , 0.980000, 0.990000, 1.000000, 1.010000 - , 1.020000, 1.030000, 1.040000, 1.050000 - , 1.060000, 1.070000, 1.080000, 1.090000 - , 1.100000, 1.110000, 1.120000, 1.130000 - , 1.140000, 1.150000, 1.160000, 1.170000 - , 1.180000, 1.190000, 1.200000, 1.210000 - , 1.220000, 1.230000, 1.240000, 1.250000 - , 1.260000, 1.270000, 1.280000, 1.290000 - , 1.300000, 1.310000, 1.320000, 1.330000 - , 1.340000, 1.350000, 1.360000, 1.370000 - , 1.380000, 1.390000, 1.400000, 1.410000 - , 1.420000, 1.430000, 1.440000, 1.450000 - , 1.460000, 1.470000, 1.480000, 1.490000 - , 1.500000, 1.510000, 1.520000, 1.530000 - , 1.540000, 1.550000, 1.560000, 1.570000 - , 1.580000, 1.590000, 1.600000, 1.610000 - , 1.620000, 1.630000, 1.640000, 1.650000 - , 1.660000, 1.670000, 1.680000, 1.690000 - , 1.700000, 1.710000, 1.720000, 1.730000 - , 1.740000, 1.750000, 1.760000, 1.770000 - , 1.780000, 1.790000, 1.800000, 1.810000 - , 1.820000, 1.830000, 1.840000, 1.850000 - , 1.860000, 1.870000, 1.880000, 1.890000 - , 1.900000, 1.910000, 1.920000, 1.930000 - , 1.940000, 1.950000, 1.960000, 1.970000 - , 1.980000, 1.990000, 2.000000, 2.010000 - , 2.020000, 2.030000, 2.040000, 2.050000 - , 2.060000, 2.070000, 2.080000, 2.090000 - , 2.100000, 2.110000, 2.120000, 2.130000 - , 2.140000, 2.150000, 2.160000, 2.170000 - , 2.180000, 2.190000, 2.200000, 2.210000 - , 2.220000, 2.230000, 2.240000, 2.250000 - , 2.260000, 2.270000, 2.280000, 2.290000 }; - - Float_t signal[kNpasa] = { 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000396 - , 0.005096, 0.022877, 0.061891, 0.126614 - , 0.215798, 0.324406, 0.444507, 0.566817 - , 0.683465, 0.787089, 0.873159, 0.937146 - , 0.979049, 0.999434, 1.000000, 0.983579 - , 0.954134, 0.913364, 0.866365, 0.813703 - , 0.759910, 0.706116, 0.653454, 0.603624 - , 0.556625, 0.514156, 0.475085, 0.439977 - , 0.408834, 0.380578, 0.355549, 0.333352 - , 0.313647, 0.296093, 0.280351, 0.266195 - , 0.253397, 0.241789, 0.231257, 0.221574 - , 0.212627, 0.204417, 0.196772, 0.189581 - , 0.182956, 0.176784, 0.171008, 0.165515 - , 0.160419, 0.155606, 0.151076, 0.146716 - , 0.142639, 0.138845, 0.135221, 0.131767 - , 0.128482, 0.125368, 0.122424, 0.119592 - , 0.116931, 0.114326, 0.111891, 0.109513 - , 0.107248, 0.105096, 0.103058, 0.101019 - , 0.099151, 0.097282, 0.095527, 0.093715 - , 0.092129, 0.090544, 0.088958, 0.087429 - , 0.086014, 0.084598, 0.083239, 0.081880 - , 0.080634, 0.079388, 0.078143, 0.077010 - , 0.075878, 0.074745, 0.073669, 0.072593 - , 0.071574, 0.070612, 0.069649, 0.068686 - , 0.067780, 0.066874, 0.066025, 0.065176 - , 0.064326, 0.063533, 0.062684, 0.061948 - , 0.061212, 0.060419, 0.059740, 0.059003 - , 0.058324, 0.057644, 0.057022, 0.056342 - , 0.055663, 0.055096, 0.054473, 0.053851 - , 0.053284, 0.052718, 0.052152, 0.051585 - , 0.051019, 0.050566, 0.050000, 0.049490 - , 0.048981, 0.048528, 0.048018, 0.047508 - , 0.047055, 0.046602, 0.046149, 0.045696 - , 0.045300, 0.044904, 0.044451, 0.044054 - , 0.043658, 0.043205, 0.042865, 0.042469 - , 0.042072, 0.041733, 0.041336, 0.040997 - , 0.040657, 0.040260, 0.039921, 0.039581 - , 0.039241, 0.038958, 0.038618, 0.038335 - , 0.037995, 0.037656, 0.037373, 0.037089 - , 0.036806, 0.036467, 0.036183, 0.035900 - , 0.035617, 0.035334, 0.035108, 0.034824 - , 0.034541, 0.034315, 0.034032, 0.033805 - , 0.033522, 0.033296, 0.033069, 0.032786 - , 0.032559, 0.032333, 0.032106, 0.031880 - , 0.031653, 0.031427, 0.031200, 0.030974 - , 0.030804, 0.030578, 0.030351, 0.030125 - , 0.029955, 0.029785, 0.029558, 0.029332 - , 0.029162, 0.028992, 0.028766, 0.028596 - , 0.028426, 0.028199, 0.028086, 0.027860 - , 0.027746, 0.027633, 0.027463, 0.027293 - , 0.027180, 0.027067, 0.026954, 0.026954 - , 0.026840, 0.026727, 0.026727, 0.026614 - , 0.026614, 0.026614, 0.026557, 0.026501 - , 0.026501, 0.026501, 0.026501, 0.026501 - , 0.026501, 0.026501, 0.026501, 0.026387 - , 0.026387, 0.026387, 0.026387, 0.026387 - , 0.026387, 0.026387, 0.026387, 0.026387 - , 0.026387, 0.026387, 0.026387, 0.026387 - , 0.026387, 0.026274, 0.026274, 0.026274 - , 0.026274, 0.026274, 0.026274, 0.026274 - , 0.026274, 0.026274, 0.026274, 0.026274 - , 0.026274, 0.026274, 0.026274, 0.026161 }; - - Float_t xtalk[kNpasa] = { 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000113 - , 0.000793, 0.003058, 0.007305, 0.013194 - , 0.019706, 0.025821, 0.030634, 0.033465 - , 0.034145, 0.032729, 0.029615, 0.025198 - , 0.019989, 0.014496, 0.009003, 0.003964 - , -0.000510, -0.004190, -0.007191, -0.009400 - , -0.010872, -0.011835, -0.012288, -0.012288 - , -0.012005, -0.011495, -0.010872, -0.010136 - , -0.009343, -0.008607, -0.007871, -0.007191 - , -0.006512, -0.005946, -0.005379, -0.004926 - , -0.004473, -0.004077, -0.003737, -0.003398 - , -0.003114, -0.002831, -0.002605, -0.002378 - , -0.002208, -0.002039, -0.001869, -0.001699 - , -0.001585, -0.001472, -0.001359, -0.001246 - , -0.001132, -0.001019, -0.001019, -0.000906 - , -0.000906, -0.000793, -0.000793, -0.000680 - , -0.000680, -0.000680, -0.000566, -0.000566 - , -0.000566, -0.000566, -0.000453, -0.000453 - , -0.000453, -0.000453, -0.000453, -0.000453 - , -0.000340, -0.000340, -0.000340, -0.000340 - , -0.000340, -0.000340, -0.000340, -0.000340 - , -0.000340, -0.000340, -0.000340, -0.000340 - , -0.000340, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000227 - , -0.000227, -0.000227, -0.000227, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, -0.000113 - , -0.000113, -0.000113, -0.000113, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 - , 0.000000, 0.000000, 0.000000, 0.000000 }; - - // increase CrossTalk to measurements - for (Int_t ipasa = 0; ipasa < kNpasa; ipasa++) { - xtalk[ipasa] *= 1.75; + Int_t ipasa = 0; + + // Xenon + // From Antons measurements with Fe55 source, adjusted by C. Lippmann. + // time bins are -0.4, -0.38, -0.36, ...., 3.54, 3.56, 3.58 microseconds + const Int_t kNpasa = 200; // kNpasa should be equal to fTRFbin! + Float_t xtalk[kNpasa]; + Float_t signal[kNpasa] = { 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000 + , 0.0002, 0.0007, 0.0026, 0.0089, 0.0253, 0.0612, 0.1319 + , 0.2416, 0.3913, 0.5609, 0.7295, 0.8662, 0.9581, 1.0000 + , 0.9990, 0.9611, 0.8995, 0.8269, 0.7495, 0.6714, 0.5987 + , 0.5334, 0.4756, 0.4249, 0.3811, 0.3433, 0.3110, 0.2837 + , 0.2607, 0.2409, 0.2243, 0.2099, 0.1974, 0.1868, 0.1776 + , 0.1695, 0.1627, 0.1566, 0.1509, 0.1457, 0.1407, 0.1362 + , 0.1317, 0.1274, 0.1233, 0.1196, 0.1162, 0.1131, 0.1102 + , 0.1075, 0.1051, 0.1026, 0.1004, 0.0979, 0.0956, 0.0934 + , 0.0912, 0.0892, 0.0875, 0.0858, 0.0843, 0.0829, 0.0815 + , 0.0799, 0.0786, 0.0772, 0.0757, 0.0741, 0.0729, 0.0718 + , 0.0706, 0.0692, 0.0680, 0.0669, 0.0655, 0.0643, 0.0630 + , 0.0618, 0.0607, 0.0596, 0.0587, 0.0576, 0.0568, 0.0558 + , 0.0550, 0.0541, 0.0531, 0.0522, 0.0513, 0.0505, 0.0497 + , 0.0490, 0.0484, 0.0474, 0.0465, 0.0457, 0.0449, 0.0441 + , 0.0433, 0.0425, 0.0417, 0.0410, 0.0402, 0.0395, 0.0388 + , 0.0381, 0.0374, 0.0368, 0.0361, 0.0354, 0.0348, 0.0342 + , 0.0336, 0.0330, 0.0324, 0.0318, 0.0312, 0.0306, 0.0301 + , 0.0296, 0.0290, 0.0285, 0.0280, 0.0275, 0.0270, 0.0265 + , 0.0260, 0.0256, 0.0251, 0.0246, 0.0242, 0.0238, 0.0233 + , 0.0229, 0.0225, 0.0221, 0.0217, 0.0213, 0.0209, 0.0206 + , 0.0202, 0.0198, 0.0195, 0.0191, 0.0188, 0.0184, 0.0181 + , 0.0178, 0.0175, 0.0171, 0.0168, 0.0165, 0.0162, 0.0159 + , 0.0157, 0.0154, 0.0151, 0.0148, 0.0146, 0.0143, 0.0140 + , 0.0138, 0.0135, 0.0133, 0.0131, 0.0128, 0.0126, 0.0124 + , 0.0121, 0.0119, 0.0120, 0.0115, 0.0113, 0.0111, 0.0109 + , 0.0107, 0.0105, 0.0103, 0.0101, 0.0100, 0.0098, 0.0096 + , 0.0094, 0.0092, 0.0091, 0.0089, 0.0088, 0.0086, 0.0084 + , 0.0083, 0.0081, 0.0080, 0.0078 }; + signal[0] = 0.0; + signal[1] = 0.0; + signal[2] = 0.0; + // With undershoot, positive peak corresponds to ~3% of the main signal: + for (ipasa = 3; ipasa < kNpasa; ipasa++) { + xtalk[ipasa] = 0.2 * (signal[ipasa-2] - signal[ipasa-3]); + } + xtalk[0] = 0.0; + xtalk[1] = 0.0; + xtalk[2] = 0.0; + + // Argon + // Ar measurement with Fe55 source by Anton + // time bins are 0.02, 0.06, 0.10, ...., 1.90, 1.94, 1.98 microseconds + const Int_t kNpasaAr = 50; + Float_t xtalkAr[kNpasaAr]; + Float_t signalAr[kNpasaAr] = { -0.01, 0.01, 0.00, 0.00, 0.01 + , -0.01, 0.01, 2.15, 22.28, 55.53 + , 68.52, 58.21, 40.92, 27.12, 18.49 + , 13.42, 10.48, 8.67, 7.49, 6.55 + , 5.71, 5.12, 4.63, 4.22, 3.81 + , 3.48, 3.20, 2.94, 2.77, 2.63 + , 2.50, 2.37, 2.23, 2.13, 2.03 + , 1.91, 1.83, 1.75, 1.68, 1.63 + , 1.56, 1.49, 1.50, 1.49, 1.29 + , 1.19, 1.21, 1.21, 1.20, 1.10 }; + // Normalization to maximum + for (ipasa = 0; ipasa < kNpasaAr; ipasa++) { + signalAr[ipasa] /= 68.52; } + signalAr[0] = 0.0; + signalAr[1] = 0.0; + signalAr[2] = 0.0; + // With undershoot, positive peak corresponds to ~3% of the main signal: + for (ipasa = 3; ipasa < kNpasaAr; ipasa++) { + xtalkAr[ipasa] = 0.2 * (signalAr[ipasa-2] - signalAr[ipasa-3]); + } + xtalkAr[0] = 0.0; + xtalkAr[1] = 0.0; + xtalkAr[2] = 0.0; - if (fTRFsmp) delete [] fTRFsmp; + if (fTRFsmp) { + delete [] fTRFsmp; + } fTRFsmp = new Float_t[fTRFbin]; - if (fCTsmp) delete [] fCTsmp; + + if (fCTsmp) { + delete [] fCTsmp; + } fCTsmp = new Float_t[fTRFbin]; - Float_t loTRF = TMath::Max(fTRFlo, time[0]); - Float_t hiTRF = TMath::Min(fTRFhi, time[kNpasa-1]); - Float_t binWidth = (hiTRF - loTRF) / ((Float_t) fTRFbin); + if (AliTRDCommonParam::Instance()->IsXenon()) { + if (fTRFbin != kNpasa) { + AliError("Array mismatch (xenon)\n\n"); + } + } + else if (AliTRDCommonParam::Instance()->IsArgon()) { + if (fTRFbin != kNpasaAr) { + AliError("Array mismatch (argon)\n\n"); + } + } - // Take the linear interpolation for (Int_t iBin = 0; iBin < fTRFbin; iBin++) { - - Float_t bin = (((Float_t) iBin) + 0.5) * binWidth + loTRF; - ipos1 = ipos2 = 0; - diff = 0; - do { - diff = bin - time[ipos2++]; - } while (diff > 0); - ipos2--; - if (ipos2 >= kNpasa) ipos2 = kNpasa - 1; - ipos1 = ipos2 - 1; - - fTRFsmp[iBin] = signal[ipos2] - + diff * (signal[ipos2] - signal[ipos1]) - / ( time[ipos2] - time[ipos1]); - - fCTsmp[iBin] = xtalk[ipos2] - + diff * (xtalk[ipos2] - xtalk[ipos1]) - / ( time[ipos2] - time[ipos1]); - + if (AliTRDCommonParam::Instance()->IsXenon()) { + fTRFsmp[iBin] = signal[iBin]; + fCTsmp[iBin] = xtalk[iBin]; + } + else if (AliTRDCommonParam::Instance()->IsArgon()) { + fTRFsmp[iBin] = signalAr[iBin]; + fCTsmp[iBin] = xtalkAr[iBin]; + } } } @@ -532,16 +496,18 @@ Double_t AliTRDSimParam::TimeResponse(Double_t time) const { // // Applies the preamp shaper time response + // (We assume a signal rise time of 0.2us = fTRFlo/2. // - Int_t iBin = ((Int_t) ((time) / fTRFwid)); - //Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid)); - if ((iBin >= 0) && (iBin < fTRFbin)) { - return fTRFsmp[iBin]; - } + Double_t rt = (time - .5*fTRFlo) / fTRFwid; + Int_t iBin = (Int_t) rt; + Double_t dt = rt - iBin; + if ((iBin >= 0) && (iBin+1 < fTRFbin)) { + return fTRFsmp[iBin] + (fTRFsmp[iBin+1] - fTRFsmp[iBin])*dt; + } else { return 0.0; - } + } } @@ -552,13 +518,14 @@ Double_t AliTRDSimParam::CrossTalk(Double_t time) const // Applies the pad-pad capacitive cross talk // - Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid)); - if ((iBin >= 0) && (iBin < fTRFbin)) { - return fCTsmp[iBin]; - } + Double_t rt = (time - fTRFlo) / fTRFwid; + Int_t iBin = (Int_t) rt; + Double_t dt = rt - iBin; + if ((iBin >= 0) && (iBin+1 < fTRFbin)) { + return fCTsmp[iBin] + (fCTsmp[iBin+1] - fCTsmp[iBin])*dt; + } else { return 0.0; - } + } } -