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feat: add raw binary spectrum reader and data quality analysis

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- exp_data/raw_reader.py: read binary MCA spectra (128-byte header,
  int32 counts), subtract cumulative spectra, Am-241 calibration
- exp_data/spectrum.py: allow negative counts for difference spectra
- scripts/analyze_raw.py: analyze 236 individual runs from cumulative
  data, compute rates and endpoint drift
- Am-241 calibration: E = -0.96 + 0.451 * ch (CAM1),
  E = 0.75 + 0.442 * ch (CAM2)
- Results: stable rate ~2M counts/run, stable endpoint ~374 keV
  (smeared Q-value), spike at runs 214-219 (acquisition glitch)
This commit is contained in:
unzhakov
2026-05-17 22:55:52 +03:00
parent 3c0a43ad4d
commit 5f70e3a15a
243 changed files with 690 additions and 4 deletions
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data/raw/MakeRootBin_std.C
+100
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#include <string>
#define File "Spectra_A.root"
#define N 10
#define prefix "a_series/A"
void MakeASCII(TH1D* h){
std::string name = h->GetName();
name = "c_series_ascii/"+name+".txt";
std::ofstream out(name);
for(int i = 0; i< h->GetXaxis()->GetNbins();i++){
out<<i<<std::setw(15)<<h->GetBinContent(i)<<std::endl;
}
}
TH1D* ReadFile(std::string file,std::string name)
{
ifstream is;
is.open (file, ios::binary );
is.seekg (0, ios::end);
int length = is.tellg();
is.seekg (0, ios::beg);
int * buffer = new int [length/4+1000];
std::cout<<file<<" "<<length<<std::endl;
is.read ((char*)buffer,length);
is.close();
std::string hname = name+"_hist";//0.19632445+N*0.10451050
// TH1D* h = new TH1D(hname.c_str(),"",4096,0.19632445,0.10451050*4096+0.19632445);
TH1D* h = new TH1D(hname.c_str(),"",4096,0.19637099,0.19637099+0.10501098*4096);
for(int i =0; i < 4096;i++) {h->SetBinContent(i,buffer[i])/*std::cout<<i<<" "<<buffer[i]<<std::endl*/;}
return h;
}
void MakeRootBin_std(void)
{
int length;
int * buffer;
TFile* f = new TFile(File,"recreate");
TH1D* h_cnt;
TH1D* h_cnt2;
h_cnt = new TH1D("Temporal","",1000,0,1000);
h_cnt2 = new TH1D("Temporal_low","",1000,0,1000);
TH1D* h_tot;
TH1D* h_tot1;
TH1D* h_tot2;
for(int i = 1;i<N;i++)
{
stringstream ss;
ss << i;
string str = ss.str();
stringstream ss2;
ss2 << i+1;
string str2 = ss2.str();
//calib_pb1.txt MakeRootBin_std.C тигель1.txt тигель2.txt
std::string n1 = prefix+str2;
std::string n2 = prefix+str;
std::cout<<n1<<" "<<n2<<std::endl;
std::string n_h = "spectrum_"+str2;
std::string n_h2 = "spectrum_"+str;
TH1D* h1 = ReadFile(n1,n_h);
TH1D* h2 = ReadFile(n2,n_h2);
if(i==1) {
h_tot = (TH1D*) h1->Clone("total_spectrum");
h_tot1 = (TH1D*) h1->Clone("total_spectrum1");
h_tot2 = (TH1D*) h1->Clone("total_spectrum2");
h_tot->Reset();
h_tot1->Reset();
h_tot2->Reset();
}
h1->Add(h2,-1);
// h->Add(ReadFile(n2.c_str()),-1);
// h1->SetName("calib");
// h1->Write();
h1->Write();
h_cnt->SetBinContent(i,h1->Integral(1427,2760));
h_cnt2->SetBinContent(i,h1->Integral(0,100));
h_tot->Add(h1);
if(i<96) h_tot1->Add(h1);
if(i>95 && i < 191) h_tot2->Add(h1);
// h3->Write();
// MakeASCII(h1);
MakeASCII(h1);
// MakeASCII(h3);
}
h_tot->Write();
h_tot1->Write();
h_tot2->Write();
h_cnt->Write();
// TH1D* h_cal = ReadFile("a_series/CAM2.DAT","calib");
// h_cal->Write();
// f->Close();
}