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ANASEN_analysis/ClassTransfer.h

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#ifndef ClassTransfer_h
#define ClassTransfer_h
#include "TBenchmark.h"
#include "TLorentzVector.h"
#include "TVector3.h"
#include "TMath.h"
#include "TFile.h"
#include "TTree.h"
#include "TRandom.h"
#include "TMacro.h"
#include "TGraph.h"
#include <vector>
#include <fstream>
#include "Isotope.h"
class ReactionConfig{
public:
ReactionConfig(){}
~ReactionConfig(){}
int beamA, beamZ;
int targetA, targetZ;
int recoilLightA, recoilLightZ;
int recoilHeavyA, recoilHeavyZ;
float beamEnergy; ///MeV/u
float beamEnergySigma; ///beam-energy_sigma_in_MeV/u
float beamAngle; ///beam-angle_in_mrad
float beamAngleSigma; ///beam-emittance_in_mrad
float beamX; ///x_offset_of_Beam_in_mm
float beamY; ///y_offset_of_Beam_in_mm
int numEvents; ///number_of_Event_being_generated
bool isTargetScattering; ///isTargetScattering
float targetDensity; ///target_density_in_g/cm3
float targetThickness; ///targetThickness_in_cm
std::string beamStoppingPowerFile; ///stopping_power_for_beam
std::string recoilLightStoppingPowerFile; ///stopping_power_for_light_recoil
std::string recoilHeavyStoppingPowerFile; ///stopping_power_for_heavy_recoil
bool isDecay; ///isDacay
int heavyDecayA; ///decayNucleus_A
int heavyDecayZ; ///decayNucleus_Z
bool isRedo; ///isReDo
std::vector<float> beamEx; ///excitation_energy_of_A[MeV]
void SetReaction(int beamA, int beamZ,
int targetA, int targetZ,
int recoilA, int recoilZ, float beamEnergy_AMeV){
this->beamA = beamA;
this->beamZ = beamZ;
this->targetA = targetA;
this->targetZ = targetZ;
this->recoilLightA = recoilA;
this->recoilLightZ = recoilZ;
recoilHeavyA = this->beamA + this->targetA - recoilLightA;
recoilHeavyZ = this->beamZ + this->targetZ - recoilLightZ;
}
void LoadReactionConfig(TMacro * macro){
if( macro == NULL ) return ;
int numLine = macro->GetListOfLines()->GetSize();
for( int i = 0; i < numLine; i ++){
std::vector<std::string> str = SplitStr(macro->GetListOfLines()->At(i)->GetName(), " ");
///printf("%d | %s\n", i, str[0].c_str());
if( str[0].find_first_of("#") == 0 ) break;
if( i == 0 ) beamA = atoi(str[0].c_str());
if( i == 1 ) beamZ = atoi(str[0].c_str());
if( i == 2 ) targetA = atoi(str[0].c_str());
if( i == 3 ) targetZ = atoi(str[0].c_str());
if( i == 4 ) recoilLightA = atoi(str[0].c_str());
if( i == 5 ) recoilLightZ = atoi(str[0].c_str());
if( i == 6 ) beamEnergy = atof(str[0].c_str());
if( i == 7 ) beamEnergySigma = atof(str[0].c_str());
if( i == 8 ) beamAngle = atof(str[0].c_str());
if( i == 9 ) beamAngleSigma = atof(str[0].c_str());
if( i == 10 ) beamX = atof(str[0].c_str());
if( i == 11 ) beamY = atof(str[0].c_str());
if( i == 12 ) numEvents = atoi(str[0].c_str());
if( i == 13 ) {
if( str[0].compare("false") == 0 ) isTargetScattering = false;
if( str[0].compare("true") == 0 ) isTargetScattering = true;
}
if( i == 14 ) targetDensity = atof(str[0].c_str());
if( i == 15 ) targetThickness = atof(str[0].c_str());
if( i == 16 ) beamStoppingPowerFile = str[0];
if( i == 17 ) recoilLightStoppingPowerFile = str[0];
if( i == 18 ) recoilHeavyStoppingPowerFile = str[0];
if( i == 19 ) {
if( str[0].compare("false") == 0 ) isDecay = false;
if( str[0].compare("true") == 0 ) isDecay = true;
}
if( i == 20 ) heavyDecayA = atoi(str[0].c_str());
if( i == 21 ) heavyDecayZ = atoi(str[0].c_str());
if( i == 22 ) {
if( str[0].compare("false") == 0 ) isRedo = false;
if( str[0].compare("true" ) == 0 ) isRedo = true;
}
if( i >= 23) {
beamEx.push_back( atof(str[0].c_str()) );
}
}
recoilHeavyA = beamA + targetA - recoilLightA;
recoilHeavyZ = beamZ + targetZ - recoilLightZ;
}
void PrintReactionConfig(){
printf("=====================================================\n");
printf(" beam : A = %3d, Z = %2d \n", beamA, beamZ);
printf(" target : A = %3d, Z = %2d \n", targetA, targetZ);
printf(" light : A = %3d, Z = %2d \n", recoilLightA, recoilLightZ);
printf(" beam Energy : %.2f +- %.2f MeV/u, dE/E = %5.2f %%\n", beamEnergy, beamEnergySigma, beamEnergySigma/beamEnergy);
printf(" Angle : %.2f +- %.2f mrad\n", beamAngle, beamAngleSigma);
printf(" offset : (x,y) = (%.2f, %.2f) mmm \n", beamX, beamY);
printf("##### number of Simulation Events : %d \n", numEvents);
printf(" is target scattering : %s \n", isTargetScattering ? "Yes" : "No");
if(isTargetScattering){
printf(" target density : %.f g/cm3\n", targetDensity);
printf(" thickness : %.f cm\n", targetThickness);
printf(" beam stopping file : %s \n", beamStoppingPowerFile.c_str());
printf(" recoil light stopping file : %s \n", recoilLightStoppingPowerFile.c_str());
printf(" recoil heavy stopping file : %s \n", recoilHeavyStoppingPowerFile.c_str());
}
printf(" is simulate decay : %s \n", isDecay ? "Yes" : "No");
if( isDecay ){
printf(" heavy decay : A = %d, Z = %d \n", heavyDecayA, heavyDecayZ);
}
printf(" is Redo until hit array : %s \n", isRedo ? "Yes" : "No");
printf(" beam Ex : %.2f MeV \n", beamEx[0]);
for( int i = 1; i < (int) beamEx.size(); i++){
printf(" %.2f MeV \n", beamEx[i]);
}
printf("=====================================================\n");
}
};
//=======================================================
//#######################################################
// Class for Transfer Reaction
// reaction notation A(a,b)B
// A = incident particle
// a = target
// b = light scattered particle
// B = heavy scattered particle
//=======================================================
class TransferReaction {
public:
TransferReaction();
~TransferReaction();
void SetA(int A, int Z, double Ex);
void Seta(int A, int Z);
void Setb(int A, int Z);
void SetB(int A, int Z);
void SetIncidentEnergyAngle(double KEA, double theta, double phi);
void SetExA(double Ex);
void SetExB(double Ex);
void SetReactionFromFile(string settingFile);
TString GetReactionName();
TString GetReactionName_Latex();
ReactionConfig GetRectionConfig() { return reaction;}
double GetMass_A(){return mA + ExA;}
double GetMass_a(){return ma;}
double GetMass_b(){return mb;}
double GetMass_B(){return mB + ExB;}
double GetCMTotalKE() {return Etot - mA - ma;}
double GetQValue() {return mA + ExA + ma - mb - mB - ExB;}
double GetMaxExB() {return Etot - mb - mB;}
TLorentzVector GetPA(){return PA;}
TLorentzVector GetPa(){return Pa;}
TLorentzVector GetPb(){return Pb;}
TLorentzVector GetPB(){return PB;}
void CalReactionConstant();
TLorentzVector * Event(double thetaCM, double phiCM);
double GetEx(){return Ex;}
double GetThetaCM(){return thetaCM;}
double GetMomentumbCM() {return p;}
double GetReactionBeta() {return beta;}
double GetReactionGamma() {return gamma;}
double GetCMTotalEnergy() {return Etot;}
private:
ReactionConfig reaction;
string nameA, namea, nameb, nameB;
double thetaIN, phiIN;
double mA, ma, mb, mB;
double TA, T; // TA = KE of A pre u, T = total energy
double ExA, ExB;
double Ex, thetaCM; //calculated Ex using inverse mapping from e and z to thetaCM
bool isReady;
bool isBSet;
double k; // CM Boost momentum
double beta, gamma; //CM boost beta
double Etot;
double p; // CM frame momentum of b, B
TLorentzVector PA, Pa, Pb, PB;
TString format(TString name);
};
TransferReaction::TransferReaction(){
thetaIN = 0.;
phiIN = 0.;
SetA(12, 6, 0);
Seta(2,1);
Setb(1,1);
SetB(13,6);
TA = 6;
T = TA * reaction.beamA;
ExA = 0;
ExB = 0;
Ex = TMath::QuietNaN();
thetaCM = TMath::QuietNaN();
CalReactionConstant();
TLorentzVector temp (0,0,0,0);
PA = temp;
Pa = temp;
Pb = temp;
PB = temp;
}
TransferReaction::~TransferReaction(){
}
void TransferReaction::SetA(int A, int Z, double Ex = 0){
Isotope temp (A, Z);
mA = temp.Mass;
reaction.beamA = A;
reaction.beamZ = Z;
ExA = Ex;
nameA = temp.Name;
isReady = false;
isBSet = true;
}
void TransferReaction::Seta(int A, int Z){
Isotope temp (A, Z);
ma = temp.Mass;
reaction.targetA = A;
reaction.targetZ = Z;
namea = temp.Name;
isReady = false;
isBSet = false;
}
void TransferReaction::Setb(int A, int Z){
Isotope temp (A, Z);
mb = temp.Mass;
reaction.recoilLightA = A;
reaction.recoilLightZ = Z;
nameb = temp.Name;
isReady = false;
isBSet = false;
}
void TransferReaction::SetB(int A, int Z){
Isotope temp (A, Z);
mB = temp.Mass;
reaction.recoilHeavyA = A;
reaction.recoilHeavyZ = Z;
nameB = temp.Name;
isReady = false;
isBSet = true;
}
void TransferReaction::SetIncidentEnergyAngle(double KEA, double theta, double phi){
this->TA = KEA;
this->T = TA * reaction.beamA;
this->thetaIN = theta;
this->phiIN = phi;
isReady = false;
}
void TransferReaction::SetExA(double Ex){
this->ExA = Ex;
isReady = false;
}
void TransferReaction::SetExB(double Ex){
this->ExB = Ex;
isReady = false;
}
void TransferReaction::SetReactionFromFile(string settingFile){
TMacro * haha = new TMacro();
if( haha->ReadFile(settingFile.c_str()) > 0 ) {
reaction.LoadReactionConfig(haha);
SetA(reaction.beamA, reaction.beamZ);
Seta(reaction.targetA, reaction.targetZ);
Setb(reaction.recoilLightA, reaction.recoilLightZ);
SetB(reaction.recoilHeavyA, reaction.recoilHeavyZ);
SetIncidentEnergyAngle(reaction.beamEnergy, 0, 0);
CalReactionConstant();
}else{
printf("cannot read file %s.\n", settingFile.c_str());
isReady = false;
}
}
TString TransferReaction::GetReactionName(){
TString rName;
rName.Form("%s(%s,%s)%s", nameA.c_str(), namea.c_str(), nameb.c_str(), nameB.c_str());
return rName;
}
TString TransferReaction::format(TString name){
if( name.IsAlpha() ) return name;
int len = name.Length();
TString temp = name;
TString temp2 = name;
if( temp.Remove(0, len-2).IsAlpha()){
temp2.Remove(len-2);
}else{
temp = name;
temp.Remove(0, len-1);
temp2.Remove(len-1);
}
return "^{"+temp2+"}"+temp;
}
TString TransferReaction::GetReactionName_Latex(){
TString rName;
rName.Form("%s(%s,%s)%s", format(nameA).Data(), format(namea).Data(), format(nameb).Data(), format(nameB).Data());
return rName;
}
void TransferReaction::CalReactionConstant(){
if( !isBSet){
reaction.recoilHeavyA = reaction.beamA + reaction.targetA - reaction.recoilLightA;
reaction.recoilHeavyZ = reaction.beamZ + reaction.targetZ - reaction.recoilLightZ;
Isotope temp (reaction.recoilHeavyA, reaction.recoilHeavyZ);
mB = temp.Mass;
isBSet = true;
}
k = TMath::Sqrt(TMath::Power(mA + ExA + T, 2) - (mA + ExA) * (mA + ExA));
beta = k / (mA + ExA + ma + T);
gamma = 1 / TMath::Sqrt(1- beta * beta);
Etot = TMath::Sqrt(TMath::Power(mA + ExA + ma + T,2) - k * k);
p = TMath::Sqrt( (Etot*Etot - TMath::Power(mb + mB + ExB,2)) * (Etot*Etot - TMath::Power(mb - mB - ExB,2)) ) / 2 / Etot;
PA.SetXYZM(0, 0, k, mA + ExA);
PA.RotateY(thetaIN);
PA.RotateZ(phiIN);
Pa.SetXYZM(0,0,0,ma);
isReady = true;
}
TLorentzVector * TransferReaction::Event(double thetaCM, double phiCM)
{
if( isReady == false ){
CalReactionConstant();
}
//TLorentzVector Pa(0, 0, 0, ma);
//---- to CM frame
TLorentzVector Pc = PA + Pa;
TVector3 b = Pc.BoostVector();
TVector3 vb(0,0,0);
if( b.Mag() > 0 ){
TVector3 v0 (0,0,0);
TVector3 nb = v0 - b;
TLorentzVector PAc = PA;
PAc.Boost(nb);
TVector3 vA = PAc.Vect();
TLorentzVector Pac = Pa;
Pac.Boost(nb);
TVector3 va = Pac.Vect();
//--- construct vb
vb = va;
vb.SetMag(p);
TVector3 ub = vb.Orthogonal();
vb.Rotate(thetaCM, ub);
vb.Rotate(phiCM + TMath::PiOver2(), va); // somehow, the calculation turn the vector 90 degree.
//vb.Rotate(phiCM , va); // somehow, the calculation turn the vector 90 degree.
}
//--- from Pb
TLorentzVector Pbc;
Pbc.SetVectM(vb, mb);
//--- from PB
TLorentzVector PBc;
//PBc.SetVectM(vB, mB + ExB);
PBc.SetVectM(-vb, mB + ExB);
//---- to Lab Frame
TLorentzVector Pb = Pbc;
Pb.Boost(b);
TLorentzVector PB = PBc;
PB.Boost(b);
TLorentzVector * output = new TLorentzVector[4];
output[0] = PA;
output[1] = Pa;
output[2] = Pb;
output[3] = PB;
this->Pb = Pb;
this->PB = PB;
return output;
}
#endif
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