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//************************************************************************//
// //
// Copyright 2013 Bertram Kopf (bertram@ep1.rub.de) //
// Julian Pychy (julian@ep1.rub.de) //
// - Ruhr-Universität Bochum //
// //
// This file is part of Pawian. //
// //
// Pawian is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// (at your option) any later version. //
// //
// Pawian is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with Pawian. If not, see <http://www.gnu.org/licenses/>. //
// //
//************************************************************************//
// Copyright 2014 Bertram Kopf
#pragma once
//_____________________________________________________________________________
// @file BreitWignerFunction.hh
//_____________________________________________________________________________
#include <iostream>
#include <complex>
#include <utility>
#include <memory>
#include "qft++/relativistic-quantum-mechanics/Utils.hh"
Bertram Kopf
committed
#include "PwaDynamics/BarrierFactor.hh"
//_____________________________________________________________________________
//_____________________________________________________________________________
namespace BreitWignerFunction {
complex<double> NonRel(double currentMass,double mass0, double width);
complex<double> Rel(double currentMass,double mass0, double width, double massA, double massB);
Bertram Kopf
committed
complex<double> BlattWRel(int orbMom, double currentMass,double mass0, double width, double massA, double massB, double qR=BarrierFactor::qRDefault);
complex<double> BlattWTensorRel(int orbMom, double currentMass,double mass0, double width, double massA, double massB, double qR=BarrierFactor::qRDefault);
}; // namespace BreitWignerFunction