RooFourEMassRes Class Reference

#include <HZZ4LRooPdfs.h>

Inheritance diagram for RooFourEMassRes:

Public Member Functions
virtual TObject *	clone (const char *newname) const
	RooFourEMassRes ()
	RooFourEMassRes (const char *name, const char *title, RooAbsReal &_m4l, RooAbsReal &_mH)
	RooFourEMassRes (const RooFourEMassRes &other, const char *name=0)
virtual	~RooFourEMassRes ()

Protected Member Functions
Double_t	evaluate () const

Protected Attributes
RooRealProxy	m4l
RooRealProxy	mH

Detailed Description

Definition at line 448 of file HZZ4LRooPdfs.h.

Constructor & Destructor Documentation

RooFourEMassRes::RooFourEMassRes ( )

inline

Definition at line 450 of file HZZ4LRooPdfs.h.

Referenced by clone().

{} ;

RooFourEMassRes::RooFourEMassRes	(	const char *	name,
		const char *	title,
		RooAbsReal &	_m4l,
		RooAbsReal &	_mH
	)

Definition at line 3274 of file HZZ4LRooPdfs.cc.

                                                  :
RooAbsPdf(name,title),
m4l("m4l","m4l",this,_m4l),
mH("mH","mH",this,_mH)
{
}

RooFourEMassRes::RooFourEMassRes	(	const RooFourEMassRes &	other,
		const char *	name = 0
	)

Definition at line 3284 of file HZZ4LRooPdfs.cc.

                                                                               :
RooAbsPdf(other,name),
m4l("m4l",this,other.m4l),
mH("mH",this,other.mH)
{
}

virtual RooFourEMassRes::~RooFourEMassRes ( )

inlinevirtual

Definition at line 456 of file HZZ4LRooPdfs.h.

{ }

Member Function Documentation

virtual TObject* RooFourEMassRes::clone ( const char *  newname ) const

inlinevirtual

Definition at line 455 of file HZZ4LRooPdfs.h.

References RooFourEMassRes().

{ return new RooFourEMassRes(*this,newname); }

Double_t RooFourEMassRes::evaluate ( ) const

protected

Definition at line 3291 of file HZZ4LRooPdfs.cc.

References create_public_lumi_plots::exp, m4l, RooFit::mean(), mH, N, RooFit::N(), funct::pow(), RooFit::sigma_CB(), lumiQTWidget::t, and x.

{
    
    Double_t x = m4l;
    Double_t mHreq = mH;
    Double_t mean_ = RooFit::mean(mHreq,"4e");
    Double_t alpha1 = -2.8;
    Double_t alpha2 = 0.7;
    Double_t sigma_ = RooFit::sigma_CB(mHreq,"4e");
    Double_t n1 = 10;
    Double_t n2 = 132;
    Double_t N = RooFit::N(mHreq,"4e");
    
    Double_t t = (x-mean_)/sigma_;
    if (alpha1 < 0) t = -t;
    
    Double_t absAlpha = TMath::Abs(alpha1);
    Double_t absAlpha2 = TMath::Abs(alpha2);
    
    if (t >= alpha1 && t <= alpha2) {
        return N*exp(-0.5*t*t);
    }
    else if ( t > alpha2) {
        Double_t a1 =  pow(n2/absAlpha2,n2)*exp(-0.5*absAlpha2*absAlpha2);
        Double_t b1 = n2/absAlpha2 - absAlpha2;
        
        return N*(a1/pow(b1 + t, n2));
        
    }
    else {
        Double_t a2 =  pow(n1/absAlpha,n1)*exp(-0.5*absAlpha*absAlpha);
        Double_t b2 = n1/absAlpha - absAlpha;
        
        return N*(a2/pow(b2 - t, n1));
    }
    
}

Member Data Documentation

RooRealProxy RooFourEMassRes::m4l

protected

Definition at line 460 of file HZZ4LRooPdfs.h.

Referenced by evaluate().

RooRealProxy RooFourEMassRes::mH

protected

Definition at line 461 of file HZZ4LRooPdfs.h.

Referenced by evaluate().