MELAHXSWidth Class Reference

#include <MELAHXSWidth.h>

Public Member Functions
	MELAHXSWidth (std::string fileLoc="../txtFiles", std::string strAppend="YR3", TVar::VerbosityLevel verbosity_=TVar::ERROR)
	MELAHXSWidth (const MELAHXSWidth &other)
	~MELAHXSWidth ()
double	HiggsWidth (double mH) const

Protected Member Functions
void	build ()

Protected Attributes
std::string	fileName
std::vector< double >	mass_BR
std::vector< double >	BR
double *	xmhW
double *	sigW
TGraph *	graphW
TSpline3 *	gsW
TVar::VerbosityLevel	verbosity

Detailed Description

Definition at line 10 of file MELAHXSWidth.h.

Constructor & Destructor Documentation

MELAHXSWidth() [1/2]

MELAHXSWidth::MELAHXSWidth	(	std::string	fileLoc = "../txtFiles",
		std::string	strAppend = "YR3",
		TVar::VerbosityLevel	verbosity_ = TVar::ERROR
	)

Definition at line 15 of file MELAHXSWidth.cc.

                                                                                                :
  xmhW(nullptr),
  sigW(nullptr),
  graphW(nullptr),
  gsW(nullptr),
  verbosity(verbosity_)
{
  fileName = fileLoc + "/HiggsTotalWidth_" + strAppend + ".txt";
  build();
}

MELAHXSWidth() [2/2]

MELAHXSWidth::MELAHXSWidth

(

const MELAHXSWidth &

other

)

Definition at line 25 of file MELAHXSWidth.cc.

                                                    :
  fileName(other.fileName),
  xmhW(nullptr),
  sigW(nullptr),
  graphW(nullptr),
  gsW(nullptr),
  verbosity(other.verbosity)
{
  build();
}

~MELAHXSWidth()

MELAHXSWidth::~MELAHXSWidth

(

)

Definition at line 65 of file MELAHXSWidth.cc.

                           {
  delete gsW; gsW=nullptr;
  delete graphW; graphW=nullptr;
  delete[] xmhW; xmhW=nullptr;
  delete[] sigW; sigW=nullptr;
}

Member Function Documentation

build()

void MELAHXSWidth::build ( )

protected

Definition at line 35 of file MELAHXSWidth.cc.

                        {
  if (verbosity>=TVar::DEBUG) MELAout << "MELAHXSWidth::build: Cross section file path: " << fileName.data() << endl;
  ifstream file;
  file.open(fileName.c_str());
  while (!file.eof()){
    double mass=0, br=0;
    file >> mass >> br;
    if (mass>0. && br>0.){
      mass_BR.push_back(mass);
      BR.push_back(br);
    }
  }
  file.close();
  const unsigned int indexW = mass_BR.size();
  if (indexW>1){
    xmhW = new double[indexW];
    sigW = new double[indexW];
    for (unsigned int ix=0; ix<indexW; ix++){
      xmhW[ix] = mass_BR.at(ix);
      sigW[ix] = BR.at(ix);
    }
    double dbegin = (sigW[1]-sigW[0])/(xmhW[1]-xmhW[0]);
    double cB = (sigW[indexW-1]-sigW[indexW-2])/(pow(xmhW[indexW-1], 3)-pow(xmhW[indexW-2], 3));
    double dend = 3.*cB*pow(xmhW[indexW-1], 2);
    graphW = new TGraph(indexW, xmhW, sigW);
    gsW = new TSpline3("gsW", graphW, "b1e1", dbegin, dend);
  }
}

HiggsWidth()

double MELAHXSWidth::HiggsWidth

(

double

mH

)

const

Definition at line 72 of file MELAHXSWidth.cc.

                                              {
  double result = 0;
  const unsigned int indexW = mass_BR.size();
  if (gsW){
    if (mH<xmhW[indexW-1]) result = (double)gsW->Eval(mH);
    else{
      double cB = (sigW[indexW-1]-sigW[indexW-2])/(pow(xmhW[indexW-1], 3)-pow(xmhW[indexW-2], 3));
      double cA = sigW[indexW-1] - cB*pow(xmhW[indexW-1], 3);
      result = cA + cB*pow(mH, 3);
    }
  }
  return result;
}

Member Data Documentation

BR

std::vector<double> MELAHXSWidth::BR

protected

Definition at line 20 of file MELAHXSWidth.h.

fileName

std::string MELAHXSWidth::fileName

protected

Definition at line 18 of file MELAHXSWidth.h.

graphW

TGraph* MELAHXSWidth::graphW

protected

Definition at line 23 of file MELAHXSWidth.h.

gsW

TSpline3* MELAHXSWidth::gsW

protected

Definition at line 24 of file MELAHXSWidth.h.

mass_BR

std::vector<double> MELAHXSWidth::mass_BR

protected

Definition at line 19 of file MELAHXSWidth.h.

sigW

double* MELAHXSWidth::sigW

protected

Definition at line 22 of file MELAHXSWidth.h.

verbosity

TVar::VerbosityLevel MELAHXSWidth::verbosity

protected

Definition at line 26 of file MELAHXSWidth.h.

xmhW

double* MELAHXSWidth::xmhW

protected

Definition at line 21 of file MELAHXSWidth.h.

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

• MELA/interface/MELAHXSWidth.h
• MELA/src/MELAHXSWidth.cc