CorrFit3DCFGauss.cxx

/*
 * CorrFit3DCFGauss.cxx
 *
 *  Created on: 08-04-2015
 *      Author: Daniel Wielanek
 *      E-mail: daniel.wielanek@gmail.com
 *      Warsaw University of Technology, Faculty of Physics
 */
 
#include "CorrFit3DCFGauss.h"
 
#include <TMath.h>
 
namespace Hal {
  Double_t CorrFit3DCF_Gauss::CalculateCF(const Double_t* x, const Double_t* params) const {
    if (fKinematics == Femto::EKinematics::kLCMS)
      return params[NormID()]
             * (1
                + params[LambdaID()]
                    * TMath::Exp(-25.76578
                                 * (x[0] * x[0] * params[RoutID()] * params[RoutID()]
                                    + x[1] * x[1] * params[RsideID()] * params[RsideID()]
                                    + x[2] * x[2] * params[RlongID()] * params[RlongID()])));
    else
      return params[NormID()]
             * (1
                + params[LambdaID()]
                    * TMath::Exp(-25.76578 * 4.0
                                 * (x[0] * x[0] * params[RoutID()] * params[RoutID()]
                                    + x[1] * x[1] * params[RsideID()] * params[RsideID()]
                                    + x[2] * x[2] * params[RlongID()] * params[RlongID()])));
  }
 
  CorrFit3DCF_Gauss::CorrFit3DCF_Gauss() : CorrFit3DCF(5) {}
 
  CorrFit3DCF_Gauss::~CorrFit3DCF_Gauss() {}
}  // namespace Hal