fox/BluetAnalyzer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Feat: save histograms; calculate neutron energy

Browse Source
This commit is contained in:
liuyihui 2024-11-23 21:15:36 +08:00
parent 58ee1a2a2a
commit ffaab92d94
3 changed files with 107 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
include/BluetAnalyzer.hh
View File

@ -25,8 +25,8 @@
#include "BluetDataModel.hh"
const int sizeX = 900;
const int sizeY = 900;
const int sizeX = 1200;
const int sizeY = 1200;
const double rBeam = 35. / 2;
const double rTarget = 73. / 2;
const double rSubstrate = 89. / 2;
@ -59,6 +59,8 @@ private:
double sidelength;
int Nlayer;
double driftL;
double kickdT;
double flighL;
double sampleT;
double EcutMin;
@ -128,6 +130,8 @@ private:
TH2F *han;
TH2F *hta;
TH2F *htt;
TH2F *hte;
TH1F *hec;
public:
void readCutParameters(string cfgfile);
@ -138,6 +142,7 @@ public:
void readTreeData(vector<string> files);
void FillHistograms();
void postOperations();
void saveHistograms();
void drawHistograms();
private:
@ -148,4 +153,5 @@ private:
void draw1DFeatures();
void draw2DFeatures();
void drawPadFeatures();
void drawExcitationCurve();
};

1
main.cc
View File

@ -22,6 +22,7 @@ int main(int argc, char **argv) {
bluet->readTreeData(runfiles);
bluet->FillHistograms();
bluet->postOperations();
bluet->saveHistograms();
bluet->drawHistograms();
return 0;

110
src/BluetAnalyzer.cc
View File

@ -43,6 +43,8 @@ double dgaus(double *x, double *par) {
static double dv0;
static int nInner = 0;
static int nRing = 0;
static const double vc = 3 * 1e8; // [m/s]
static const double mn = 939.5654133; // [MeV/c^2]
void fitdgaus(TH1F *hist, TF1 *func, double *&par, double m0) {
double mean = m0 >= 0 ? m0 : hist->GetMean();
@ -61,8 +63,8 @@ void fitdgaus(TH1F *hist, TF1 *func, double *&par, double m0) {
double amp2 = pars[3];
double sigma2 = pars[4];
sigma = sqrt(sigma1 * sigma1 + sigma2 * sigma2);
xl = mean - 3. * sigma;
xr = mean + 3. * sigma;
xl = max(mean - 3. * sigma, m0 * 0.6);
xr = min(mean + 3. * sigma, m0 * 1.4);
par = new double[7]{mean, amp1, sigma1, amp2, sigma2, xl, xr};
}
@ -132,9 +134,11 @@ void BluetAnalyzer::readCutParameters(string cfgfile) {
sidelength = bluet::XMLToQuantity(detector.child("PadSideLength")); // mm
Nlayer = bluet::XMLToQuantity(detector.child("PadArrayNlayer"));
driftL = bluet::XMLToQuantity(detector.child("DriftLength"));
flighL = bluet::XMLToQuantity(detector.child("FlightLength"));
pugi::xml_node electronics = root.child("ElectronicsParameters");
sampleT = bluet::XMLToQuantity(electronics.child("WaveformSamplingPeriod"));
kickdT = bluet::XMLToQuantity(electronics.child("KickerDelay"));
pugi::xml_node gas = root.child("GasParameters");
dv0 = bluet::XMLToQuantity(gas.child("DriftVelocity")) * 1e4;
@ -316,13 +320,13 @@ void BluetAnalyzer::defineHistograms() {
htpad->SetMarkerColor(kBlack);
htpad->SetMarkerStyle(20);
hv0 = new TH1F("hv0", "hv0;Drift Veloctiy [mm/#mus];Count", 300, 0., 300.);
hv0 = new TH1F("hv0", "hv0;Drift Veloctiy [mm/#mus];Count", 150, 0., 150.);
hv0->GetXaxis()->CenterTitle();
hv0->GetYaxis()->CenterTitle();
hv0->SetMarkerColor(kBlack);
hv0->SetMarkerStyle(20);
hv1 = new TH1F("hv1", "hv1;Drift Veloctiy [mm/#mus];Count", 300, 0., 300.);
hv1 = new TH1F("hv1", "hv1;Drift Veloctiy [mm/#mus];Count", 150, 0., 150.);
hv1->GetXaxis()->CenterTitle();
hv1->GetYaxis()->CenterTitle();
hv1->SetMarkerColor(kBlack);
@ -380,17 +384,28 @@ void BluetAnalyzer::defineHistograms() {
han->GetYaxis()->CenterTitle();
han->GetYaxis()->SetTitleOffset(1.5);
hta =
new TH2F("hta", "hta;#tau [us];Amplitude [ADC]", 100, 0, 5, 300, 0,
3e3);
hta = new TH2F("hta", "hta;#tau [us];Amplitude [ADC]", 100, 0, 5, 450, 0,
4.5e3);
hta->GetXaxis()->CenterTitle();
hta->GetYaxis()->CenterTitle();
hta->GetYaxis()->SetTitleOffset(1.5);
htt = new TH2F("htt", "htt;T_0 [us];#tau [us]", 100, 0, 10, 100, 0, 5);
htt = new TH2F("htt", "htt;T_{0} [us];#tau [us]", 150, 0, 15, 100, 0, 5);
htt->GetXaxis()->CenterTitle();
htt->GetYaxis()->CenterTitle();
htt->GetYaxis()->SetTitleOffset(1.5);
const double estep = (Log10(1e6) - Log10(1e-1)) / Nbin;
double epos[Nbin + 1];
for (int ie = 0; ie < (Nbin + 1); ie++)
epos[ie] = 1e-1 * TMath::Power(10., ie * estep);
hte = new TH2F("hte", "hte;TOF [ns];Neutron Energy [ev]", Nbin, tpos, Nbin,
epos);
hte->GetXaxis()->CenterTitle();
hte->GetYaxis()->CenterTitle();
hte->GetYaxis()->SetMaxDigits(2);
hec = new TH1F("hec", "hec;Neutron Energy [ev];Count", Nbin, epos);
}
bool BluetAnalyzer::isGoodEvent(BluetEvent *event) {
@ -451,6 +466,14 @@ void BluetAnalyzer::FillHistograms() {
if (!isGoodEvent(fEvent))
continue;
// convert time of flight to neutron energy using relativistic formula
double tof1 = fEvent->TOF0 - kickdT;
double vn = flighL / tof1 * 1e9;
double gamma = 1. / Sqrt(1. - vn * vn / (vc * vc));
double en = (gamma - 1) * mn * 1e6; // [MeV]->[eV]
hec->Fill(en);
hte->Fill(tof1, en);
for (size_t ihit = 0; ihit < fEvent->Hits.size(); ++ihit) {
BluetHit *hit = &(fEvent->Hits[ihit]);
hta->Fill(hit->HitTau, hit->HitAmp);
@ -918,29 +941,91 @@ void BluetAnalyzer::drawPadFeatures() {
pad->cd();
adjustAxisRange(hta);
hta->Draw("colz");
c0->cd();
c0->cd();
pad = new TPad("tn", "", 0.52, 0.02, 0.98, 0.48);
pad->SetRightMargin(0.15);
pad->Draw();
pad->cd();
adjustAxisRange(htt);
htt->Draw("colz");
c0->cd();
c0->cd();
pad = new TPad("amp", "", 0.02, 0.52, 0.48, 0.98);
pad->Draw();
pad->cd();
c0->cd();
c0->cd();
pad = new TPad("an", "", 0.52, 0.52, 0.98, 0.98);
pad->Draw();
pad->cd();
c0->cd();
c0->Update();
}
void BluetAnalyzer::drawExcitationCurve() {
TGCompositeFrame *tab = mTab->AddTab("Excitation Curve");
TRootEmbeddedCanvas *ec =
new TRootEmbeddedCanvas("Canva 2d", tab, sizeX, sizeY);
tab->AddFrame(ec, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY));
TCanvas *c0 = ec->GetCanvas();
TPad *pad;
c0->cd();
pad = new TPad("te", "", 0.02, 0.02, 0.98, 0.48);
pad->SetRightMargin(0.15);
pad->Draw();
pad->SetLogx();
pad->SetLogy();
pad->cd();
hte->Draw("colz");
c0->cd();
pad = new TPad("ec", "", 0.02, 0.52, 0.98, 0.98);
pad->SetRightMargin(0.15);
pad->Draw();
pad->SetLogx();
pad->SetLogy();
pad->cd();
hec->Draw("colz");
c0->Update();
}
void BluetAnalyzer::saveHistograms() {
TFile *fout = new TFile("bluetAnalyzer.root", "RECREATE");
fout->cd();
hprofile->Write();
hslicex->Write();
hslicey->Write();
hbeamr->Write();
hrinte->Write();
htofE->Write();
htof->Write();
htofr0->Write();
htofr1->Write();
hpull->Write();
hratio->Write();
hLengthE->Write();
htcath->Write();
htpad->Write();
hv0->Write();
hv1->Write();
hcos->Write();
hphi->Write();
hdeltacos1->Write();
hdeltacos2->Write();
hts->Write();
htn->Write();
hamp->Write();
han->Write();
hta->Write();
htt->Write();
hte->Write();
hec->Write();
fout->Close();
}
void BluetAnalyzer::drawHistograms() {
gROOT->SetStyle("ATLAS");
gStyle->SetOptFit(1);
@ -954,6 +1039,7 @@ void BluetAnalyzer::drawHistograms() {
draw1DFeatures();
draw2DFeatures();
drawPadFeatures();
drawExcitationCurve();
mFrame->SetWindowName("Bluet Analyzer");
mFrame->MapSubwindows();