#ifndef ALIITSRESPONSE_H
#define ALIITSRESPONSE_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+/* $Id$ */
#include <TObject.h>
+#include <TString.h>
-#include "AliITSsegmentation.h"
-
+class AliITSsegmentation;
class TF1;
-class TString;
class AliITSgeom;
//----------------------------------------------
//
// ITS response virtual base class
//
-class AliITSresponse :
-public TObject {
+class AliITSresponse : public TObject {
public:
-
-
+ // Default Constructor
+ AliITSresponse();
+ // Standard Constructor
+ AliITSresponse(Double_t Thickness);
+ // Destructor.
virtual ~AliITSresponse() {}
//
// Configuration methods
//
-
- // Set maximum Adc-count value
- virtual void SetMaxAdc(Float_t p1) {}
- // Get maximum Adc-count value
- virtual Float_t MaxAdc() {return 0.;}
-
- // Set maximum Adc-top value
- virtual void SetMagicValue(Float_t p1) {}
- // Get maximum Adc-top value
- virtual Float_t MagicValue() {return 0.0;}
-
+ // fGeVcharge is set by default 3.6e-9 GeV See for ex. PDG 2004.
+ virtual void SetGeVToCharge(Double_t gc=3.6e-9){fGeVcharge = gc;}
+ // Returns the value fGeVcharge
+ virtual Double_t GetGeVToCharge() const {return fGeVcharge;}
+ // Converts deposited energy to number of electrons liberated
+ virtual Double_t GeVToCharge(Double_t gev) const {return gev/fGeVcharge;}
// Diffusion coefficient
- virtual void SetDiffCoeff(Float_t, Float_t) {}
+ virtual void SetDiffCoeff(Double_t, Double_t) = 0;
// Get diffusion coefficients
- virtual void DiffCoeff(Float_t &,Float_t &) {}
-
- // Temperature
- virtual void SetTemperature(Float_t) {}
- // Get temperature
- virtual Float_t Temperature() {return 0.;}
- // Type of data - real or simulated
- virtual void SetDataType(const char *data) {}
- // Get data type
- virtual const char *DataType() const {return "";}
-
-
+ virtual void DiffCoeff(Double_t &,Double_t &) const = 0;
+
+ // Temperature in [degree K]
+ virtual void SetTemperature(Double_t t=300.0) {fT = t;}
+ // Get temperature [degree K]
+ virtual Double_t Temperature() const {return fT;}
+ // Set the impurity concentrations in [#/cm^3]
+ virtual void SetImpurity(Double_t n=0.0){fN = n;}
+ // Returns the impurity consentration in [#/cm^3]
+ virtual Double_t Impurity() const {return fN;}
+ // Sets the applied ratio distance/voltage [cm/volt]
+ virtual void SetDistanceOverVoltage(Double_t d,Double_t v){fdv = d/v;}
+ // Sets the applied ration distance/voltage [cm/volt]. Default value
+ // is 300E-4cm/80 volts = 0.000375 cm/volts
+ virtual void SetDistanceOverVoltage(Double_t dv=0.000375){fdv = dv;}
+ // Returns the ration distance/voltage
+ virtual Double_t DistanceOverVoltage() const {return fdv;}
- // Set parameters options: "same" or read from "file" or "SetInvalid" or ...
- virtual void SetParamOptions(const char* opt1,const char* opt2) {}
+ // Get data type
+ virtual const char *DataType() const {return fDataType.Data();}
+ // Type of data - real or simulated
+ virtual void SetDataType(const char *data="simulated") {fDataType=data;}
+ // Set parameters options: "same" or read from "file" or "SetInvalid" or...
+ virtual void SetParamOptions(const char*,const char*) = 0;
// Set noise parameters
- virtual void SetNoiseParam(Float_t, Float_t) {}
+ virtual void SetNoiseParam(Double_t, Double_t) = 0;
// Number of parameters to be set
- virtual void SetNDetParam(Int_t) {}
+ virtual void SetNDetParam(Int_t) = 0;
// Set detector parameters: gain, coupling ...
- virtual void SetDetParam(Float_t *) {}
+ virtual void SetDetParam(Double_t *) = 0;
// Parameters options
- virtual void ParamOptions(char *,char*) {}
- virtual Int_t NDetParam() {return 0;}
- virtual void GetDetParam(Float_t *) {}
- virtual void GetNoiseParam(Float_t&, Float_t&) {}
+ virtual void ParamOptions(char *,char*) const = 0;
+ virtual Int_t NDetParam() const = 0;
+ virtual void GetDetParam(Double_t *) const = 0;
+ virtual void GetNoiseParam(Double_t&, Double_t&) const = 0;
- // Zero-suppression option - could be 1D, 2D or non-ZeroSuppressed
- virtual void SetZeroSupp(const char* opt) {}
+ // Zero-suppression option - could be 1D, 2D or non-ZeroSuppressed
+ virtual void SetZeroSupp(const char*) = 0;
// Get zero-suppression option
- virtual const char *ZeroSuppOption() const {return "";}
+ virtual const char *ZeroSuppOption() const = 0;
// Set thresholds
- virtual void SetThresholds(Float_t, Float_t) {}
- virtual void Thresholds(Float_t &, Float_t &) {}
- // Set min val
- virtual void SetMinVal(Int_t) {};
- virtual Int_t MinVal() {return 0;};
+ virtual void SetThresholds(Double_t, Double_t) = 0;
+ virtual void Thresholds(Double_t &, Double_t &) const = 0;
// Set filenames
- virtual void SetFilenames(const char *f1,const char *f2,const char *f3) {}
+ virtual void SetFilenames(const char *f1="",const char *f2="",
+ const char *f3=""){
+ // Set filenames - input, output, parameters ....
+ fFileName1=f1; fFileName2=f2; fFileName3=f3;}
// Filenames
- virtual void Filenames(char*,char*,char*) {}
-
-
- virtual Float_t DriftSpeed() {return 0.;}
- virtual Bool_t OutputOption() {return kFALSE;}
- virtual Bool_t Do10to8() {return kTRUE;}
- virtual void GiveCompressParam(Int_t *x) {}
-
- //
+ virtual void Filenames(char* input,char* baseline,char* param) {
+ strcpy(input,fFileName1.Data()); strcpy(baseline,fFileName2.Data());
+ strcpy(param,fFileName3.Data());}
+
+ virtual Double_t DriftSpeed() const {return SpeedElectron();};
+ // set output option
+ virtual void SetOutputOption(Bool_t write=kFALSE) {fWrite = write;}
+
+ virtual Bool_t OutputOption() const {return fWrite;}
+ virtual Bool_t Do10to8() const {return kTRUE;}
+ virtual void GiveCompressParam(Int_t *) const =0;
+ //
// Detector type response methods
// Set number of sigmas over which cluster disintegration is performed
- virtual void SetNSigmaIntegration(Float_t p1) {}
+ virtual void SetNSigmaIntegration(Double_t) = 0;
// Get number of sigmas over which cluster disintegration is performed
- virtual Float_t NSigmaIntegration() {return 0.;}
+ virtual Double_t NSigmaIntegration() const = 0;
+ // Set number of bins for the gaussian lookup table
+ virtual void SetNLookUp(Int_t) = 0;
+ // Get number of bins for the gaussian lookup table
+ virtual Int_t GausNLookUp() const {return 0;}
+ // Get scaling factor for bin i-th from the gaussian lookup table
+ virtual Double_t GausLookUp(Int_t) const {return 0.;}
// Set sigmas of the charge spread function
- virtual void SetSigmaSpread(Float_t p1, Float_t p2) {}
- // Get sigmas for the charge spread
- virtual void SigmaSpread(Float_t &s1, Float_t &s2) {}
-
-
+ virtual void SetSigmaSpread(Double_t, Double_t) = 0;
+ // Get sigmas for the charge spread
+ virtual void SigmaSpread(Double_t &,Double_t &) const = 0;
// Pulse height from scored quantity (eloss)
- virtual Float_t IntPH(Float_t eloss) {return 0.;}
- // Charge disintegration
- virtual Float_t IntXZ(AliITSsegmentation *) {return 0.;}
-
- ClassDef(AliITSresponse,1) // Detector type response virtual base class
+ virtual Double_t IntPH(Double_t) const {return 0.;}
+ // Charge disintegration
+ virtual Double_t IntXZ(AliITSsegmentation *) const {return 0.;}
+ // Electron mobility in Si. [cm^2/(Volt Sec)]. T in degree K, N in #/cm^3
+ virtual Double_t MobilityElectronSiEmp() const ;
+ // Hole mobility in Si. [cm^2/(Volt Sec)] T in degree K, N in #/cm^3
+ virtual Double_t MobilityHoleSiEmp() const ;
+ // Einstein relation for Diffusion Coefficient of Electrons. [cm^2/sec]
+ // T in degree K, N in #/cm^3
+ virtual Double_t DiffusionCoefficientElectron() const ;
+ // Einstein relation for Diffusion Coefficient of Holes. [cm^2/sec]
+ // T in [degree K], N in [#/cm^3]
+ virtual Double_t DiffusionCoefficientHole() const ;
+ // Electron <speed> under an applied electric field E=Volts/cm. [cm/sec]
+ // d distance-thickness in [cm], v in [volts], T in [degree K],
+ // N in [#/cm^3]
+ virtual Double_t SpeedElectron() const ;
+ // Holes <speed> under an applied electric field E=Volts/cm. [cm/sec]
+ // d distance-thickness in [cm], v in [volts], T in [degree K],
+ // N in [#/cm^3]
+ virtual Double_t SpeedHole() const ;
+ // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
+ // electrons or holes through a distance l [cm] caused by an applied
+ // voltage v [volt] through a distance d [cm] in any material at a
+ // temperature T [degree K].
+ virtual Double_t SigmaDiffusion3D(Double_t l) const;
+ // Returns the Gaussian sigma == <x^2 +y^2+z^2> [cm^2] due to the
+ // defusion of electrons or holes through a distance l [cm] caused by an
+ // applied voltage v [volt] through a distance d [cm] in any material at a
+ // temperature T [degree K].
+ virtual Double_t SigmaDiffusion2D(Double_t l) const;
+ // Returns the Gaussian sigma == <x^2+z^2> [cm^2] due to the defusion of
+ // electrons or holes through a distance l [cm] caused by an applied
+ // voltage v [volt] through a distance d [cm] in any material at a
+ // temperature T [degree K].
+ virtual Double_t SigmaDiffusion1D(Double_t l) const;
+ // Compute the thickness of the depleted region in a Si detector, version A
+ virtual Double_t DepletedRegionThicknessA(Double_t dopCons,
+ Double_t voltage,
+ Double_t elecCharge,
+ Double_t voltBuiltIn=0.5)const;
+ // Compute the thickness of the depleted region in a Si detector, version B
+ virtual Double_t DepletedRegionThicknessB(Double_t resist,Double_t voltage,
+ Double_t mobility,
+ Double_t voltBuiltIn=0.5,
+ Double_t dielConst=1.E-12)const;
+ // Computes the temperature dependance of the reverse bias current
+ virtual Double_t ReverseBiasCurrent(Double_t temp,Double_t revBiasCurT1,
+ Double_t tempT1,Double_t energy=1.2)const;
+ // Prints out the content of this class in ASCII format.
+ virtual void Print(ostream *os) const;
+ // Reads in the content of this class in the format of Print
+ virtual void Read(istream *is);
+ virtual void Print(Option_t *option="") const {TObject::Print(option);}
+ virtual Int_t Read(const char *name) {return TObject::Read(name);}
+ protected:
+ void NotImplemented(const char *method) const {if(gDebug>0)
+ Warning(method,"This method is not implemented for this sub-class");}
+
+ TString fDataType; // data type - real or simulated
+ private:
+ Double_t fdv; // The parameter d/v where d is the disance over which the
+ // the potential v is applied d/v [cm/volts]
+ Double_t fN; // the impurity consentration of the material in #/cm^3
+ Double_t fT; // The temperature of the Si in Degree K.
+ Double_t fGeVcharge; // Energy to ionize (free an electron) in GeV
+ TString fFileName1; // input keys : run, module #
+ TString fFileName2; // baseline & noise val or output code
+ // signal or monitored bgr.
+ TString fFileName3; // param values or output coded signal
+ Bool_t fWrite; // Write option for the compression algorithms
+
+ ClassDef(AliITSresponse,3) // Detector type response virtual base class
};
+// Input and output function for standard C++ input/output.
+ostream& operator<<(ostream &os,AliITSresponse &source);
+istream& operator>>(istream &os,AliITSresponse &source);
#endif
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