Histo_BW.cpp File Reference

#include "Mint/Histo_BW.h"
#include "Mint/CLHEPPhysicalConstants.h"
#include "TMath.h"
#include "TCanvas.h"
#include "TH2D.h"
#include "TH1D.h"
#include "Mint/Utils.h"
#include "Mint/DalitzEventList.h"
#include "Mint/phaseSpaceIntegrals.h"
#include <cmath>
#include <complex>

Go to the source code of this file.

Functions
Double_t	phaseSpace (Double_t *x, Double_t *par)

Function Documentation

phaseSpace()

Double_t phaseSpace	(	Double_t *	x,
		Double_t *	par
	)

Definition at line 79 of file Histo_BW.cpp.

                                               {

    //x[0]: mumsRecoMass()^2
    //par[0]: mumsMass()
    //par[i]: final state masses (i=1,2,3)
    
    PhaseSpaceIntegral3body ps;
    double ps_val = ps.getVal(sqrt(x[0])*GeV,par[1],par[2],par[3]);
    double ps0_val =  ps.getVal(par[0],par[1],par[2],par[3]);
    
    double ps_ratio=0.;
    if(ps0_val>0)ps_ratio= ps_val/ps0_val;
    //cout << ps_ratio << endl;
    
    return ps_ratio * par[0]/(sqrt(x[0])*GeV);
}