View source for HRRL Pos Test 27Jul2012 Data Ana 3 MeV

= 3 MeV =
== 2 ways to calculate electron charge ==
     NE(Int_t ri, Int_t Reprate, Int_t calc_meth){
     printf("%d %d \n",ri, Reprate);
     if(ri==1) TFile *f = new TFile("C:/Users/sadiq/Documents/phd/Runs_Jul_2012/rootfiles/7-27-12/r3735.root");
     else if(ri==2) TFile *f = new TFile("C:/Users/sadiq/Documents/phd/Runs_Jul_2012/rootfiles/7-27-12/r3737.root");
     TTree *ntuple = (TTree*)f->Get("ntuple");
     TH1F *f9=new TH1F("f9","ADC9",4000,0,4000);	 	 
        TCanvas * c2 = new TCanvas("c2", "c2",600 ,500);
        c2->cd();
        Long64_t ne;
        printf("%d \n", ne);
       //method 1 is reprate times single pulse charge
	 
        Double_t Qp1=0,Qp2=0;
        if(calc_meth == 1){	
        //ntuple->Draw("ADC9*(1.22*1e-9)/50>>f9","1"); 
        ntuple->Draw("ADC9>>f9"); 
        //Qp2 = (f9->Integral())*(1.22*1e-9)/50; //charge calculate with method 2.
        //f9->Fit("gaus");
        ADC9_fit_mean = f9->GetMean(1); 
        //ADC9_fit_mean = ADC9->GetMean(1); 
        printf("ADC9_fit_mean = %d \n",ADC9_fit_mean);
        Qp1 = ADC9_fit_mean*(1.22*1e-9)/50; //Qp: charge per pulse. The calibration: 1.22 (9nV s)/(ADC channel), 50 ohm Terminal.
        printf("QP1=%g\n\n",Qp1);
        printf("e- charge per pulse with method 1: %g\n",Qp1);
        //printf("Reprate: %d\n",Reprate);
        Qs=Reprate*Qp1; //Qs: Charge per second.
        //printf("e- charge per second: %g\n",Qs);
        ne=Qs/Q_e; //Ne: number of electrons per second.
                }
		 
        if(calc_meth == 2){	 
        //ntuple->Draw("ADC9*(1.22*1e-9)/50>>f9","1"); 
        ntuple->Draw("ADC9>>f9"); 
        printf("%bin# Bin Content%d\n");
        for(i=1; i<=4000; i++){
        //for(i=0; i<=600; i++){
        bin_content[i] = f9->GetBinContent(i);
        //Qp2+=(i*(1.22*1e-9)/50)*bin_content[i];
        Qp2+=i*bin_content[i]*(1.22*1e-9)/50;
        //printf("%d  %d  %g \n",i,bin_content[i],Qp2);
        }
	 
        //printf("Integral = %d \n",f9->Integral());
        //Qp2 = (f9->Integral())*(1.22*1e-9)/50; //charge calculate with method 2.    
        printf("QP2=%g\n\n",Qp2);
        printf("total e- charge in this run with method 2: %g\n",Qp2);
        //printf("Reprate: %d\n",Reprate);
        Qs=Qp2; //Qs: Charge per second.
        printf("e- charge per second: %g\n",Qs);
        printf("e- charge: %g\n",Q_e);	 
        ne=Qs/Q_e; //Ne: number of electrons per second.
        printf("1. total number of electrons in this run: %g\n",ne);
                }		 
        printf("2. total number of electrons in this run: %g\n",ne);
        c2->Close();
        f->Close();
        return(ne);
        }



== results on 3 MeV with Method 1==



{| border="1"
|-
|run in||run out||NaI Left||NaI Right||NaI Left around 511 keV||NaI Right around 511 keV||e- rate (Hz)||e+ rate (Hz)||e+/e+ ratop
|-
|3735||3736||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3735_sub_r3736_DL.png|100 px]]||3.91498e+013||0.25656||6.55329e-015
||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3735_sub_r3736_DR.png|100 px]]||3.91498e+013||0.25656||6.55329e-015
|-
|3737||3736||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3737_sub_r3736_DL.png|100 px]]||4.14545e+013||0.251457||6.06586e-015
||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3737_sub_r3736_DR.png|100 px]]||4.14545e+013||0.251457||6.06586e-015

|-
|}

== results on 3 MeV with Method 2==

{| border="1"
|-
|3735||3736||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3735_sub_r3736_DL.png|100 px]]
||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3735_sub_r3736_DR.png|100 px]]||1.18161e+015||0.25656||2.16258e-013
|-
|3737||3736||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3737_sub_r3736_DL.png|100 px]]
||[[File:hrrl_pos_27jul2012_data_ana_with_Cuts_r3737_sub_r3736_DR.png|100 px]]||2.16202e+015||0.251457||1.27239e-013

|-
|}