rtang/SOLARIS_Analysis
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
SOLARIS_Analysis/Cleopatra/Transfer.h

723 lines
26 KiB
C++
Raw Blame History

#include "TROOT.h"
#include "TBenchmark.h"
#include "TLorentzVector.h"
#include "TMath.h"
#include "TFile.h"
#include "TF1.h"
#include "TTree.h"
#include "TRandom.h"
#include "TGraph.h"
#include "TMacro.h"
#include <stdlib.h>
#include <vector>
#include <fstream>
#include <TObjArray.h>
#include "HELIOS_LIB.h"
double exDistFunc(Double_t *x, Double_t * par){
return par[(int) x[0]];
}
void Transfer(
string basicConfig = "reactionConfig.txt",
string heliosDetGeoFile = "detectorGeo.txt",
string excitationFile = "Ex.txt", ///when no file, only ground state
TString ptolemyRoot = "DWBA.root", /// when no file, use isotropic distribution of thetaCM
TString saveFileName = "transfer.root",
TString filename = "reaction.dat"){ /// when no file, no output.
//############################################# Set Reaction
TransferReaction reaction;
reaction.SetReactionFromFile(basicConfig);
printf("*****************************************************************\n");
printf("*\e[1m\e[33m %27s \e[0m*\n", reaction.GetReactionName().Data());
printf("*****************************************************************\n");
printf("----- loading reaction setting from %s. \n", basicConfig.c_str());
printf("\e[32m#################################### Beam \e[0m\n");
const AnalysisLib::ReactionConfig reactionConfig = reaction.GetRectionConfig();
AnalysisLib::PrintReactionConfig(reactionConfig);
vector<float> ExAList = reactionConfig.beamEx;
int nExA = (int) ExAList.size();
//############################################# Set HELIOS
printf("\e[32m#################################### HELIOS configuration\e[0m\n");
HELIOS helios;
helios.SetDetectorGeometry(heliosDetGeoFile);
const AnalysisLib::DetGeo detGeo = helios.GetDetectorGeometry();
printf("==================================== E-Z plot slope\n");
double betaRect = reaction.GetReactionBeta() ;
double gamma = reaction.GetReactionGamma();
double mb = reaction.GetMass_b();
double pCM = reaction.GetMomentumbCM();
double q = TMath::Sqrt(mb*mb + pCM*pCM); ///energy of light recoil in center of mass
double slope = 299.792458 * reaction.GetCharge_b() * abs(helios.GetBField()) / TMath::TwoPi() * betaRect / 1000.; /// MeV/mm
printf(" e-z slope : %f MeV/mm\n", slope);
double intercept = q/gamma - mb; // MeV
printf(" e-z intercept (ground state) : %f MeV\n", intercept);
//############################################# save reaction.dat
if( filename != "" ) {
FILE * keyParaOut;
keyParaOut = fopen (filename.Data(), "w+");
printf("=========== save key reaction constants to %s \n", filename.Data());
fprintf(keyParaOut, "%-15.4f //%s\n", reaction.GetMass_b(), "mass_b");
fprintf(keyParaOut, "%-15d //%s\n", reaction.GetCharge_b(), "charge_b");
fprintf(keyParaOut, "%-15.8f //%s\n", reaction.GetReactionBeta(), "betaCM");
fprintf(keyParaOut, "%-15.4f //%s\n", reaction.GetCMTotalEnergy(), "Ecm");
fprintf(keyParaOut, "%-15.4f //%s\n", reaction.GetMass_B(), "mass_B");
fprintf(keyParaOut, "%-15.4f //%s\n", slope/betaRect, "alpha=slope/betaRect");
fflush(keyParaOut);
fclose(keyParaOut);
}
//############################################# Target scattering, only energy loss
bool isTargetScattering = reactionConfig.isTargetScattering;
float density = reactionConfig.targetDensity;
float targetThickness = reactionConfig.targetThickness;
if(isTargetScattering) printf("\e[32m#################################### Target Scattering\e[0m\n");
TargetScattering msA;
TargetScattering msB;
TargetScattering msb;
if(reactionConfig.isTargetScattering) printf("======== Target : (thickness : %6.2f um) x (density : %6.2f g/cm3) = %6.2f ug/cm2\n",
targetThickness * 1e+4,
density,
targetThickness * density * 1e+6);
if( reactionConfig.isTargetScattering ){
msA.LoadStoppingPower(reactionConfig.beamStoppingPowerFile);
msb.LoadStoppingPower(reactionConfig.recoilLightStoppingPowerFile);
msB.LoadStoppingPower(reactionConfig.recoilHeavyStoppingPowerFile);
}
//############################################# Decay of particle-B
Decay decay;
if(reactionConfig.isDecay) {
printf("\e[32m#################################### Decay\e[0m\n");
decay.SetMotherDaugther(reactionConfig.recoilHeavyA,
reactionConfig.recoilHeavyZ,
reactionConfig.heavyDecayA,
reactionConfig.heavyDecayZ);
}
//############################################# loading excitation energy
printf("\e[32m#################################### excitation energies\e[0m\n");
vector<double> ExKnown;
vector<double> ExStrength;
vector<double> ExWidth;
vector<double> SF;
vector<double> y0; /// intercept of e-z plot
vector<double> kCM; /// momentum of b in CM frame
printf("----- loading excitation energy levels (%s).", excitationFile.c_str());
ifstream file;
file.open(excitationFile.c_str());
string isotopeName;
if( file.is_open() ){
string line;
while( getline(file, line) ){
///printf("%s \n", line.c_str());
if( line.substr(0,2) == "//" ) continue;
if( line.substr(0,2) == "#=" ) break;
vector<string> str = AnalysisLib::SplitStr(line, " ");
ExKnown.push_back(atof(str[0].c_str()));
ExStrength.push_back(atof(str[1].c_str()));
SF.push_back(atof(str[2].c_str()));
ExWidth.push_back(atof(str[3].c_str()));
}
file.close();
printf("... done.\n");
int n = (int) ExKnown.size();
printf("%3s | %7s | %5s | %3s | %10s | %5s \n", "", "Ex[MeV]", "Xsec", "SF", "sigma[MeV]", "y0[MeV]");
printf("----+---------+------+-----+------------+--------\n");
for(int i = 0; i < n ; i++){
reaction.SetExB(ExKnown[i]);
reaction.CalReactionConstant();
kCM.push_back(reaction.GetMomentumbCM());
y0.push_back(TMath::Sqrt(mb*mb + kCM[i]*kCM[i])/gamma - mb);
if( reactionConfig.isDecay ) {
TLorentzVector temp(0,0,0,0);
int decayID = decay.CalDecay(temp, ExKnown[i], 0);
if( decayID == 1) {
printf("%3d | %7.2f | %5.2f | %3.1f | %5.3f | %5.2f --> Decay. \n", i, ExKnown[i], ExStrength[i], SF[i], ExWidth[i], y0[i]);
}else{
printf("%3d | %7.2f | %5.2f | %3.1f | %5.3f | %5.2f \n", i, ExKnown[i], ExStrength[i], SF[i], ExWidth[i], y0[i]);
}
}else{
printf("%3d | %7.2f | %5.2f | %3.1f | %5.3f | %5.2f \n", i, ExKnown[i], ExStrength[i], SF[i], ExWidth[i], y0[i]);
}
}
printf("----+---------+-------+-----+------------+--------\n");
}else{
printf("... fail ------> only ground state.\n");
ExKnown.push_back(0.0);
ExStrength.push_back(1.0);
ExWidth.push_back(0.0);
reaction.SetExB(ExKnown[0]);
reaction.CalReactionConstant();
kCM.push_back(reaction.GetMomentumbCM());
y0.push_back(TMath::Sqrt(mb*mb + kCM[0]*kCM[0])/gamma - mb);
}
//---- create Ex-distribution
TF1 * exDist = NULL;
if( ExKnown.size() > 1 ) {
printf("---- creating Ex-distribution \n");
int exSize = ExKnown.size();
exDist = new TF1("exDist", exDistFunc, 0, exSize, exSize);
for(int i = 0; i < exSize; i++){
exDist->SetParameter(i, ExStrength[i]*SF[i]);
}
}
//############################################# Load DWBAroot for thetaCM distribution
printf("\e[32m#################################### Load DWBA input : %s \e[0m\n", ptolemyRoot.Data());
TF1 * dist = NULL;
TFile * distFile = new TFile(ptolemyRoot, "read");
TObjArray * distList = NULL;
if( distFile->IsOpen() ) {
distList = (TObjArray *) distFile->FindObjectAny("pList"); // the function List
int distSize = distList->GetLast() + 1;
if( distSize != ExKnown.size() ) {
printf(" The number of distribution from Ptolmey Calculation is not equal to number of Ex input \n");
printf(" --> the Ptolmey calculation is probably not matched with Ex input.\n");
printf(" .... not use DWBA input. \n");
distFile->Close();
}
}else{
printf("------- no DWBA input. \n");
}
//############################################# build tree
printf("\e[32m#################################### building Tree in %s\e[0m\n", saveFileName.Data());
TFile * saveFile = new TFile(saveFileName, "recreate");
TTree * tree = new TTree("tree", "tree");
TMacro config(basicConfig.c_str());
TMacro detGeoTxt(heliosDetGeoFile.c_str());
TMacro exList(excitationFile.c_str());
TMacro reactionData(filename.Data());
double KEAmean = reactionConfig.beamEnergy;
TString str;
str.Form("%s @ %.2f MeV/u", reaction.GetReactionName_Latex().Data(), KEAmean);
config.SetName(str.Data());
config.Write("reactionConfig");
detGeoTxt.Write("detGeo");
exList.Write("ExList");
reactionData.Write("reactionData");
if( distList != NULL ) distList->Write("DWBA", 1);
TMacro hitMeaning;
str = "=======================meaning of Hit ID\n"; hitMeaning.AddLine(str.Data());
str = " 1 = light recoil hit array & heavy recoil hit recoil\n"; hitMeaning.AddLine(str.Data());
str = " 0 = no detector\n"; hitMeaning.AddLine(str.Data());
str = " -1 = light recoil go opposite side of array\n"; hitMeaning.AddLine(str.Data());
str = " -2 = light recoil hit > det width\n"; hitMeaning.AddLine(str.Data());
str = " -3 = light recoil hit > array \n"; hitMeaning.AddLine(str.Data());
str = " -4 = light recoil hit blocker \n"; hitMeaning.AddLine(str.Data());
str = " -10 = light recoil orbit radius too big \n"; hitMeaning.AddLine(str.Data());
str = " -11 = light recoil orbit radius too small\n"; hitMeaning.AddLine(str.Data());
str = " -12 = when reocol at the same side of array, light recoil blocked by recoil detector\n"; hitMeaning.AddLine(str.Data());
str = " -13 = more than 3 loops\n"; hitMeaning.AddLine(str.Data());
str = " -14 = heavy recoil did not hit recoil \n"; hitMeaning.AddLine(str.Data());
str = " -15 = cannot find hit on array\n"; hitMeaning.AddLine(str.Data());
str = " -20 = unknown\n"; hitMeaning.AddLine(str.Data());
str = "===========================================\n"; hitMeaning.AddLine(str.Data());
hitMeaning.Write("hitMeaning");
int hit; /// the output of Helios.CalHit
tree->Branch("hit", &hit, "hit/I");
double thetab, phib, Tb;
double thetaB, phiB, TB;
tree->Branch("thetab", &thetab, "thetab/D");
tree->Branch("phib", &phib, "phib/D");
tree->Branch("Tb", &Tb, "Tb/D");
tree->Branch("thetaB", &thetaB, "thetaB/D");
tree->Branch("phiB", &phiB, "phiB/D");
tree->Branch("TB", &TB, "TB/D");
double thetaCM;
tree->Branch("thetaCM", &thetaCM, "thetaCM/D");
double e, z, detX, t, z0, tB;
tree->Branch("e", &e, "energy_light/D");
tree->Branch("x", &detX, "detector_x/D");
tree->Branch("z", &z, "array_hit_z/D");
tree->Branch("z0", &z0, "z-cycle/D");
tree->Branch("t", &t, "cycle_time_light/D");
tree->Branch("tB", &tB, "recoil_hit_time/D"); /// hit time for recoil on the recoil detector
int loop, detID, detRowID;
tree->Branch("detID", &detID, "detID/I");
tree->Branch("detRowID", &detRowID, "detRowID/I");
tree->Branch("loop", &loop, "loop/I");
double rho, rhoB; ///orbit radius
tree->Branch("rho", &rho, "orbit_radius_light/D");
tree->Branch("rhoB", &rhoB, "orbit_radius_heavy/D");
int ExAID;
double ExA;
tree->Branch("ExAID", &ExAID, "ExAID/I");
tree->Branch("ExA", &ExA, "ExA/D");
int ExID;
double Ex;
tree->Branch("ExID", &ExID, "ExID/I");
tree->Branch("Ex", &Ex, "Ex/D");
double ExCal, thetaCMCal;
tree->Branch("ExCal", &ExCal, "ExCal/D");
tree->Branch("thetaCMCal", &thetaCMCal, "thetaCMCal/D");
double KEA, theta, phi;
tree->Branch("beamTheta", &theta, "beamTheta/D");
tree->Branch("beamPhi", &phi, "beamPhi/D");
tree->Branch("beamKEA", &KEA, "beamKEA/D");
double TbLoss; /// energy loss of particle-b from target scattering
double KEAnew; ///beam energy after target scattering
double depth; /// reaction depth;
double Ecm;
if( reactionConfig.isTargetScattering ){
tree->Branch("depth", &depth, "depth/D");
tree->Branch("TbLoss", &TbLoss, "TbLoss/D");
tree->Branch("KEAnew", &KEAnew, "KEAnew/D");
tree->Branch("Ecm", &Ecm, "Ecm/D");
}
double decayTheta; /// the change of thetaB due to decay
double xRecoil_d, yRecoil_d, rhoRecoil_d, Td;
if( reactionConfig.isDecay ) {
tree->Branch("decayTheta", &decayTheta, "decayTheta/D");
tree->Branch("xRecoil_d", &xRecoil_d, "xRecoil_d/D");
tree->Branch("yRecoil_d", &yRecoil_d, "yRecoil_d/D");
tree->Branch("rhoRecoil_d", &rhoRecoil_d, "rhoRecoil_d/D");
tree->Branch("Td", &Td, "Td/D");
}
double xArray, yArray, rhoArray; ///x, y, rho positon of particle-b on PSD
tree->Branch("xArray", &xArray, "xArray/D");
tree->Branch("yArray", &yArray, "yArray/D");
tree->Branch("rhoArray", &rhoArray, "rhoArray/D");
double xRecoil, yRecoil, rhoRecoil; /// x, y, rho position of particle-B on recoil-detector
tree->Branch("xRecoil", &xRecoil, "xRecoil/D");
tree->Branch("yRecoil", &yRecoil, "yRecoil/D");
tree->Branch("rhoRecoil", &rhoRecoil, "rhoRecoil/D");
///in case need ELUM
double xElum1, yElum1, rhoElum1;
if( detGeo.elumPos1 != 0 ) {
tree->Branch("xElum1", &xElum1, "xElum1/D");
tree->Branch("yElum1", &yElum1, "yElum1/D");
tree->Branch("rhoElum1", &rhoElum1, "rhoElum1/D");
}
double xElum2, yElum2, rhoElum2;
if( detGeo.elumPos2 != 0 ) {
tree->Branch("xElum2", &xElum2, "xElum2/D");
tree->Branch("yElum2", &yElum2, "yElum2/D");
tree->Branch("rhoElum2", &rhoElum2, "rhoElum2/D");
}
///in case need other recoil detector.
double xRecoil1, yRecoil1, rhoRecoil1;
if( detGeo.recoilPos1 != 0 ){
tree->Branch("xRecoil1", &xRecoil1, "xRecoil1/D");
tree->Branch("yRecoil1", &yRecoil1, "yRecoil1/D");
tree->Branch("rhoRecoil1", &rhoRecoil1, "rhoRecoil1/D");
}
double xRecoil2, yRecoil2, rhoRecoil2;
if( detGeo.recoilPos2 != 0 ){
tree->Branch("xRecoil2", &xRecoil2, "xRecoil2/D");
tree->Branch("yRecoil2", &yRecoil2, "yRecoil2/D");
tree->Branch("rhoRecoil2", &rhoRecoil2, "rhoRecoil2/D");
}
//======= function for e-z plot for ideal case
printf("++++ generate functions\n");
TObjArray * gList = new TObjArray();
gList->SetName("Constant thetaCM lines");
const int gxSize = 50;
TF1 ** gx = new TF1*[gxSize];
TString name;
for( int i = 0; i < gxSize; i++){
name.Form("g%d", i);
gx[i] = new TF1(name, "([0]*TMath::Sqrt([1]+[2]*x*x)+[5]*x)/([3]) - [4]", -1000, 1000);
double thetacm = i * TMath::DegToRad();
double gS2 = TMath::Power(TMath::Sin(thetacm)*gamma,2);
gx[i]->SetParameter(0, TMath::Cos(thetacm));
gx[i]->SetParameter(1, mb*mb*(1-gS2));
gx[i]->SetParameter(2, TMath::Power(slope/betaRect,2));
gx[i]->SetParameter(3, 1-gS2);
gx[i]->SetParameter(4, mb);
gx[i]->SetParameter(5, -gS2*slope);
gx[i]->SetNpx(1000);
gList->Add(gx[i]);
printf("/");
if( i > 1 && i % 40 == 0 ) printf("\n");
}
gList->Write("gList", TObject::kSingleKey);
printf(" %d constant thetaCM functions\n", gxSize);
int n = ExKnown.size();
TObjArray * fList = new TObjArray();
TF1** f = new TF1*[n];
for( int i = 0; i< n ; i++){
name.Form("f%d", i);
f[i] = new TF1(name, "[0] + [1] * x", -1000, 1000);
f[i]->SetParameter(0, y0[i]);
f[i]->SetParameter(1, slope);
f[i]->SetNpx(1000);
fList->Add(f[i]);
printf(".");
}
fList->Write("fList", TObject::kSingleKey);
printf(" %d e-z infinte-small detector functions\n", n);
//--- cal modified f
TObjArray * fxList = new TObjArray();
TGraph ** fx = new TGraph*[n];
vector<double> px, py;
int countfx = 0;
for( int j = 0 ; j < n; j++){
double a = helios.GetDetRadius();
double q = TMath::Sqrt(mb*mb + kCM[j] * kCM[j] );
px.clear();
py.clear();
countfx = 0;
for(int i = 0; i < 100; i++){
double thetacm = TMath::Pi()/TMath::Log(100) * (TMath::Log(100) - TMath::Log(100-i)) ;//using log scale, for more point in small angle.
double temp = TMath::TwoPi() * slope / betaRect / kCM[j] * a / TMath::Sin(thetacm);
double pxTemp = betaRect /slope * (gamma * betaRect * q - gamma * kCM[j] * TMath::Cos(thetacm)) * (1 - TMath::ASin(temp)/TMath::TwoPi()) ;
double pyTemp = gamma * q - mb - gamma * betaRect * kCM[j] * TMath::Cos(thetacm);
if( TMath::IsNaN(pxTemp) || TMath::IsNaN(pyTemp) ) continue;
px.push_back(pxTemp);
py.push_back(pyTemp);
countfx ++;
}
fx[j] = new TGraph(countfx, &px[0], &py[0]);
name.Form("fx%d", j);
fx[j]->SetName(name);
fx[j]->SetLineColor(4);
fxList->Add(fx[j]);
printf(",");
}
fxList->Write("fxList", TObject::kSingleKey);
printf(" %d e-z finite-size detector functions\n", n);
//--- cal modified thetaCM vs z
TObjArray * txList = new TObjArray();
TGraph ** tx = new TGraph*[n];
for( int j = 0 ; j < n; j++){
double a = helios.GetDetRadius();
double q = TMath::Sqrt(mb*mb + kCM[j] * kCM[j] );
px.clear();
py.clear();
countfx = 0;
for(int i = 0; i < 100; i++){
double thetacm = (i + 8.) * TMath::DegToRad();
double temp = TMath::TwoPi() * slope / betaRect / kCM[j] * a / TMath::Sin(thetacm);
double pxTemp = betaRect /slope * (gamma * betaRect * q - gamma * kCM[j] * TMath::Cos(thetacm)) * (1 - TMath::ASin(temp)/TMath::TwoPi());
double pyTemp = thetacm * TMath::RadToDeg();
if( TMath::IsNaN(pxTemp) || TMath::IsNaN(pyTemp) ) continue;
px.push_back(pxTemp);
py.push_back(pyTemp);
countfx ++;
}
tx[j] = new TGraph(countfx, &px[0], &py[0]);
name.Form("tx%d", j);
tx[j]->SetName(name);
tx[j]->SetLineColor(4);
txList->Add(tx[j]);
printf("*");
}
txList->Write("txList", TObject::kSingleKey);
printf(" %d thetaCM-z for finite-size detector functions\n", n);
//========timer
TBenchmark clock;
bool shown ;
clock.Reset();
clock.Start("timer");
shown = false;
//change the number of event into human easy-to-read form
int numEvent = reactionConfig.numEvents;
int digitLen = TMath::Floor(TMath::Log10(numEvent));
TString numEventStr;
if( 3 <= digitLen && digitLen < 6 ){
numEventStr.Form("%5.1f kilo", numEvent/1000.);
}else if ( 6<= digitLen && digitLen < 9 ){
numEventStr.Form("%6.2f million", numEvent/1e6);
}else if ( 9<= digitLen ){
numEventStr.Form("%6.2f billion", numEvent/1e9);
}
printf("\e[32m#################################### generating %s events \e[0m\n", numEventStr.Data());
//====================================================== calculate event
int count = 0;
for( int i = 0; i < numEvent; i++){
bool redoFlag = true;
if( !reactionConfig.isRedo ) redoFlag = false;
do{
//==== Set Ex of A
ExAID = gRandom->Integer(nExA);
ExA = ExAList[ExAID];
reaction.SetExA(ExA);
//==== Set Ex of B
if( ExKnown.size() == 1 ) {
ExID = 0;
Ex = ExKnown[0] + (ExWidth[0] == 0 ? 0 : gRandom->Gaus(0, ExWidth[0]));
}else{
ExID = exDist->GetRandom();
Ex = ExKnown[ExID]+ (ExWidth[ExID] == 0 ? 0 : gRandom->Gaus(0, ExWidth[ExID]));
}
reaction.SetExB(Ex);
//==== Set incident beam
KEA = reactionConfig.beamEnergy;
if( reactionConfig.beamEnergySigma == 0 ){
KEA = reactionConfig.beamEnergy;
}else{
KEA = gRandom->Gaus(reactionConfig.beamEnergy, reactionConfig.beamEnergySigma);
}
theta = 0.0;
if( reactionConfig.beamAngleSigma == 0 ){
theta = reactionConfig.beamAngle;
}else{
theta = gRandom->Gaus(reactionConfig.beamAngle, reactionConfig.beamAngleSigma);
}
phi = 0.0;
//==== for taregt scattering
reaction.SetIncidentEnergyAngle(KEA, theta, 0.);
reaction.CalReactionConstant();
TLorentzVector PA = reaction.GetPA();
//depth = 0;
if( isTargetScattering ){
//==== Target scattering, only energy loss
depth = targetThickness * gRandom->Rndm();
msA.SetTarget(density, depth);
TLorentzVector PAnew = msA.Scattering(PA);
KEAnew = msA.GetKE()/reactionConfig.beamA;
reaction.SetIncidentEnergyAngle(KEAnew, theta, phi);
reaction.CalReactionConstant();
Ecm = reaction.GetCMTotalKE();
}
//==== Calculate thetaCM, phiCM
if( distFile->IsOpen()){
dist = (TF1 *) distList->At(ExID);
thetaCM = dist->GetRandom() / 180. * TMath::Pi();
}else{
thetaCM = TMath::ACos(2 * gRandom->Rndm() - 1) ;
}
double phiCM = TMath::TwoPi() * gRandom->Rndm();
//==== Calculate reaction
TLorentzVector * output = reaction.Event(thetaCM, phiCM);
TLorentzVector Pb = output[2];
TLorentzVector PB = output[3];
//==== Calculate energy loss of scattered and recoil in target
if( isTargetScattering ){
if( Pb.Theta() < TMath::PiOver2() ){
msb.SetTarget(density, targetThickness - depth);
}else{
msb.SetTarget(density, depth);
}
Pb = msb.Scattering(Pb);
TbLoss = msb.GetKELoss();
msB.SetTarget(density, targetThickness - depth);
PB = msB.Scattering(PB);
}else{
TbLoss = 0;
}
//======= Decay of particle-B
int decayID = 0;
int new_zB = reactionConfig.recoilHeavyZ;
if( reactionConfig.isDecay){
//decayID = decay.CalDecay(PB, Ex, 0, phiCM + TMath::Pi()/2.); // decay to ground state
decayID = decay.CalDecay(PB, Ex, 0, phiCM + TMath::Pi()/2); // decay to ground state
if( decayID == 1 ){
PB = decay.GetDaugther_D();
//decayTheta = decay.GetAngleChange();
decayTheta = decay.GetThetaCM();
new_zB = reactionConfig.heavyDecayZ;
}else{
decayTheta = TMath::QuietNaN();
}
}
//################################### tree branches
//===== reaction
thetab = Pb.Theta() * TMath::RadToDeg();
thetaB = PB.Theta() * TMath::RadToDeg();
Tb = Pb.E() - Pb.M();
TB = PB.E() - PB.M();
phib = Pb.Phi() * TMath::RadToDeg();
phiB = PB.Phi() * TMath::RadToDeg();
//==== Helios
///printf(" thetaCM : %f \n", thetaCM * TMath::RadToDeg());
if( Tb > 0 || TB > 0 ){
helios.CalArrayHit(Pb, reaction.GetCharge_b());
helios.CalRecoilHit(PB, new_zB);
hit = 2;
while( hit > 1 ){ hit = helios.DetAcceptance(); } /// while hit > 1, goto next loop;
trajectory orb_b = helios.GetTrajectory_b();
trajectory orb_B = helios.GetTrajectory_B();
e = helios.GetEnergy() + gRandom->Gaus(0, detGeo.array1.eSigma);
double ranX = gRandom->Gaus(0, detGeo.array1.zSigma);
z = orb_b.z + ranX;
detX = helios.GetDetX() + ranX;
z0 = orb_b.z0;
t = orb_b.t;
loop = orb_b.loop;
detID = orb_b.detID;
detRowID = orb_b.detRowID;
rho = orb_b.rho;
rhoArray = orb_b.R;
xArray = orb_b.x;
yArray = orb_b.y;
//ELUM
if( detGeo.elumPos1 != 0 ){
xElum1 = helios.GetXPos(detGeo.elumPos1);
yElum1 = helios.GetYPos(detGeo.elumPos1);
rhoElum1 = helios.GetR(detGeo.elumPos1);
}
if( detGeo.elumPos2 != 0 ){
xElum2 = helios.GetXPos(detGeo.elumPos2);
yElum2 = helios.GetYPos(detGeo.elumPos2);
rhoElum2 = helios.GetR(detGeo.elumPos2);
}
//Recoil
rhoRecoil = orb_B.R;
tB = orb_B.t;
xRecoil = orb_B.x;
yRecoil = orb_B.y;
rhoB = orb_B.rho;
//other recoil detectors
if ( detGeo.recoilPos1 != 0 ){
xRecoil1 = helios.GetRecoilXPos(detGeo.recoilPos1);
yRecoil1 = helios.GetRecoilYPos(detGeo.recoilPos1);
rhoRecoil1 = helios.GetRecoilR(detGeo.recoilPos1);
}
if ( detGeo.recoilPos2 != 0 ){
xRecoil2 = helios.GetRecoilXPos(detGeo.recoilPos2);
yRecoil2 = helios.GetRecoilYPos(detGeo.recoilPos2);
rhoRecoil2 = helios.GetRecoilR(detGeo.recoilPos2);
}
reaction.CalExThetaCM(e, z, helios.GetBField(), helios.GetDetRadius());
ExCal = reaction.GetEx();
thetaCMCal = reaction.GetThetaCM();
//change thetaCM into deg
thetaCM = thetaCM * TMath::RadToDeg();
//if decay, get the light decay particle on the recoil;
if( reactionConfig.isDecay ){
if( decayID == 1 ){
TLorentzVector Pd = decay.GetDaugther_d();
Td = Pd.E() - Pd.M();
helios.CalRecoilHit(Pd, reactionConfig.heavyDecayZ);
trajectory orb_d = helios.GetTrajectory_B();
rhoRecoil_d = orb_d.R;
xRecoil_d = orb_d.x;
yRecoil_d = orb_d.y;
}else{
rhoRecoil_d = TMath::QuietNaN();
xRecoil_d = TMath::QuietNaN();
yRecoil_d = TMath::QuietNaN();
}
}
}else{
hit = -404;
}
if( hit == 1) count ++;
if( reactionConfig.isRedo ){
if( hit == 1) {
redoFlag = false;
}else{
redoFlag = true;
//printf("%d, %2d, thetaCM : %f, theta : %f, z0: %f \n", i, hit, thetaCM * TMath::RadToDeg(), thetab, helios.GetZ0());
}
}else{
redoFlag = false;
}
}while( redoFlag );
tree->Fill();
//#################################################################### Timer
clock.Stop("timer");
Double_t time = clock.GetRealTime("timer");
clock.Start("timer");
if ( !shown ) {
if (fmod(time, 10) < 1 ){
printf( "%10d[%2d%%]| %8.2f sec | expect: %5.1f min \n", i, TMath::Nint((i+1)*100./numEvent), time , numEvent*time/(i+1)/60);
shown = 1;
}
}else{
if (fmod(time, 10) > 9 ){
shown = 0;
}
}
}
saveFile->Write();
saveFile->Close();
distFile->Close();
printf("=============== done. saved as %s. count(hit==1) : %d\n", saveFileName.Data(), count);
//gROOT->ProcessLine(".q");
}
Reference in New Issue View Git Blame Copy Permalink