BF_Integrand Class Reference

Public Member Functions
	BF_Integrand (std::vector< TF1 * > partialWidths, std::vector< FitParameter * > fit_couplings, double m0, double gamma0)
double	operator() (Double_t *x, Double_t *par=0)
double	operator() (double x)
double	Eval (Double_t x)
void	setIndex (const int i)

Private Attributes
int	_index
double	_m0
double	_gamma0
std::vector< TF1 * >	_partialWidths
std::vector< FitParameter * >	_fit_couplings

Detailed Description

Definition at line 362 of file RunningWidthCalculator.cpp.

Constructor & Destructor Documentation

BF_Integrand()

BF_Integrand::BF_Integrand ( std::vector< TF1 * >  partialWidths, std::vector< FitParameter * >  fit_couplings, double  m0, double  gamma0  )

inline

Definition at line 370 of file RunningWidthCalculator.cpp.

                                                                                                                 :
        _index(0),_m0(m0), _gamma0(gamma0), _partialWidths(partialWidths), _fit_couplings(fit_couplings){}

Member Function Documentation

Eval()

double BF_Integrand::Eval ( Double_t  x )

inline

Definition at line 382 of file RunningWidthCalculator.cpp.

                           {
        double totalWidth = 0.;
        double totalWidth_norm = 0.;
        
        double sum = 0.;
        for (unsigned int i=1; i<_fit_couplings.size(); i++) {
            sum += *_fit_couplings[i];
        }
                
        for (unsigned int i=0; i<_partialWidths.size(); i++) {
            double c;
            if(i==0) c = *_fit_couplings[0];//* (1.-sum);
            else c = *_fit_couplings[0]* *_fit_couplings[i];
            totalWidth += c * _partialWidths[i]->Eval(x);
            totalWidth_norm += c* _partialWidths[i]->Eval(_m0*_m0/(GeV*GeV));
        }
        totalWidth = totalWidth/totalWidth_norm * _gamma0/GeV;
        
        double c;
        if(_index==0) c = *_fit_couplings[0];//* (1.-sum);
        else c = *_fit_couplings[0]* *_fit_couplings[_index];
        
        return (c * _partialWidths[_index]->Eval(x))/ ( pow((x-_m0*_m0/(GeV*GeV)),2) +_m0*_m0/(GeV*GeV)*totalWidth*totalWidth);
    }

operator()() [1/2]

double BF_Integrand::operator() ( Double_t *  x, Double_t *  par = 0  )

inline

Definition at line 373 of file RunningWidthCalculator.cpp.

                                                   { 
        return Eval(x[0]);
    (void)par;
    }

operator()() [2/2]

double BF_Integrand::operator() ( double  x )

inline

Definition at line 378 of file RunningWidthCalculator.cpp.

                               {
        return Eval(x);
    }

setIndex()

void BF_Integrand::setIndex ( const int  i )

inline

Definition at line 407 of file RunningWidthCalculator.cpp.

                              {
        _index = i;
    }

Member Data Documentation

_fit_couplings

std::vector<FitParameter*> BF_Integrand::_fit_couplings

private

Definition at line 367 of file RunningWidthCalculator.cpp.

_gamma0

double BF_Integrand::_gamma0

private

Definition at line 365 of file RunningWidthCalculator.cpp.

_index

int BF_Integrand::_index

private

Definition at line 363 of file RunningWidthCalculator.cpp.

_m0

double BF_Integrand::_m0

private

Definition at line 364 of file RunningWidthCalculator.cpp.

_partialWidths

std::vector<TF1*> BF_Integrand::_partialWidths

private

Definition at line 366 of file RunningWidthCalculator.cpp.

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The documentation for this class was generated from the following file:

• src/Mojito/Lineshapes/RunningWidthCalculator.cpp