diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30262941a7e3ccb96092b4ec12459eb890407e60..a6d874707e5e718ee6023d9b988da441afc994b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.27)
+cmake_minimum_required(VERSION 3.20)
 project(Pawian)
 
 set(CXX_STANDARD 17)
diff --git a/PwaUtils/.nfs0000000003d2692b00000057 b/PwaUtils/.nfs0000000003d2692b00000057
deleted file mode 100644
index 346fa658e1d1ee2d047eee27e28d98a5d943b77e..0000000000000000000000000000000000000000
--- a/PwaUtils/.nfs0000000003d2692b00000057
+++ /dev/null
@@ -1,263 +0,0 @@
-//************************************************************************//
-//									  //
-//  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/>.	  //
-//									  //
-//************************************************************************//
-
-// TensorDecAmps class definition file. -*- C++ -*-
-// Copyright 2012 Bertram Kopf
-
-#include <getopt.h>
-#include <fstream>
-#include <string>
-#include <mutex>
-
-#include "PwaUtils/TensorDecAmps.hh"
-#include "qft++/relativistic-quantum-mechanics/Utils.hh"
-#include "PwaUtils/DataUtils.hh"
-#include "PwaUtils/IsobarTensorDecay.hh"
-#include "Particle/Particle.hh"
-#include "ErrLogger/ErrLogger.hh"
-
-TensorDecAmps::TensorDecAmps(std::shared_ptr<IsobarTensorDecay> theDec, ChannelID channelID) :
-  AbsXdecAmp(theDec, channelID)
-  ,_LSs(theDec->LSAmps())
-  ,_factorMag(1.)
-{
-  initialize();
-  if(_LSs.size()>0) _factorMag/=sqrt(_LSs.size());
-}
-
-TensorDecAmps::TensorDecAmps(std::shared_ptr<AbsDecay> theDec, ChannelID channelID) :
-  AbsXdecAmp(theDec, channelID)
-  ,_factorMag(1.)
-{
-  initialize();
-  if(_LSs.size()>0) _factorMag/=sqrt(_LSs.size());
-}
-
-TensorDecAmps::~TensorDecAmps()
-{
-}
-
-
-complex<double> TensorDecAmps::XdecPartAmp(const Spin& lamX, Spin& lamDec, short fixDaughterNr, EvtData* theData, Spin& lamFs,AbsXdecAmp* grandmaAmp){
-
-  Spin lam1Min=-_Jdaughter1;
-  Spin lam1Max= _Jdaughter1;
-  Spin lam2Min=-_Jdaughter2;
-  Spin lam2Max=_Jdaughter2;
-
-  if(fixDaughterNr == 1){
-     lam1Min = lam1Max = lamDec;
-  }
-  else if(fixDaughterNr == 2){
-     lam2Min = lam2Max = lamDec;
-  }
-  else{
-     Alert << "Invalid fixDaughterNr in XdecPartAmp." << endmsg;
-  }
-
-  if(_enabledlamFsDaughter1){
-    lam1Min=lamFs;
-    lam1Max=lamFs;
-  }
-  else if(_enabledlamFsDaughter2){
-    lam2Min=lamFs;
-    lam2Max=lamFs;
-  }
-
-  complex<double> result=lsLoop(grandmaAmp, lamX, theData, lam1Min, lam1Max, lam2Min, lam2Max, false);
-
-  return result;
-}
-
-
-
-
-complex<double> TensorDecAmps::XdecAmp(const Spin& lamX, EvtData* theData, AbsXdecAmp* grandmaAmp){
-
-  complex<double> result(0.,0.);
-  if( fabs(lamX) > _JPCPtr->J) return result;
-
-  short currentSpinIndex=FunctionUtils::spin1IdIndex(_projId,lamX);  
-  
-  if (!_recalculate){
-    return _cachedAmpIdMap.at(theData->evtNo).at(_absDyn->grandMaId(grandmaAmp)).at(currentSpinIndex);
-  }
-
-  result=lsLoop(grandmaAmp, lamX, theData, _lam1MinProj,
-		_lam1MaxProj, 
-		_lam2MinProj, 
-		_lam2MaxProj, true);
-
-  if ( _cacheAmps){
-     //     _cachedAmpMap[evtNo][_absDyn->grandMaKey(grandmaAmp)][currentSpinIndex]=result;
-     _cachedAmpIdMap[theData->evtNo][_absDyn->grandMaId(grandmaAmp)][currentSpinIndex]=result;
-  }
-  return result;
-}
-
-
-complex<double> TensorDecAmps::lsLoop(AbsXdecAmp* grandmaAmp, Spin lamX, EvtData* theData, Spin lam1Min, 
-				      Spin lam1Max, Spin lam2Min, Spin lam2Max, bool withDecs) {
-  complex<double> result(0.,0.);
-
-  map<unsigned short, map<Id3StringType, complex<double> > >& currentLS3SpinMap=theData->ComplexLS3Spin.at(_decay->nameId());
-  std::vector< std::shared_ptr<const LScomb> >::iterator it;
-  for (it=_LSs.begin(); it!=_LSs.end(); ++it){
-    map<Id3StringType, complex<double> >& current3SpinMap = currentLS3SpinMap.at((*it)->idnumberLS);
-    complex<double> theMagExpi=_currentParamMagExpi.at(*it);
-
-    complex<double> tmpResult(0.,0.);
-    for(Spin lambda1=lam1Min; lambda1<=lam1Max; ++lambda1){
-      for(Spin lambda2=lam2Min; lambda2<=lam2Max; ++lambda2){
-	Id3StringType IdLamXLam1Lam2=FunctionUtils::spin3Index(lamX, lambda1, lambda2);
-	complex<double> amp = theMagExpi*current3SpinMap.at(IdLamXLam1Lam2);
-      	if(withDecs) amp *=daughterAmp(lambda1, lambda2, theData);
-	tmpResult+=amp;
-      }
-    }
-    if (_absDyn->isLdependent()){
-      tmpResult*=_cachedDynIdLSMap.at((*it)->L).at(_absDyn->grandMaId(grandmaAmp));
-    }
-    result+=tmpResult;
-  }
-  
-  if (!_absDyn->isLdependent()) result *=_cachedDynIdMap.at(_absDyn->grandMaId(grandmaAmp));
-  
-  result*=_isospinCG;
-  return result;
-}
-
-
-// void  TensorDecAmps::getDefaultParams(fitParCol& fitVal, fitParCol& fitErr){
-
-//   std::map< std::shared_ptr<const LScomb>, double, pawian::Collection::SharedPtrLess > currentMagValMap;
-//   std::map< std::shared_ptr<const LScomb>, double, pawian::Collection::SharedPtrLess > currentPhiValMap;
-//   std::map< std::shared_ptr<const LScomb>, double, pawian::Collection::SharedPtrLess > currentMagErrMap;
-//   std::map< std::shared_ptr<const LScomb>, double, pawian::Collection::SharedPtrLess > currentPhiErrMap;
-
-//   std::vector< std::shared_ptr<const LScomb> >::const_iterator itLS;
-//   for(itLS=_LSs.begin(); itLS!=_LSs.end(); ++itLS){
-//     currentMagValMap[*itLS]=_factorMag;
-//     currentPhiValMap[*itLS]=0.;
-//     currentMagErrMap[*itLS]=_factorMag/3.;
-//     currentPhiErrMap[*itLS]=0.3;
-//   }
-
-//   fitVal.MagsLS[_key]=currentMagValMap;
-//   fitVal.PhisLS[_key]=currentPhiValMap;
-//   fitErr.MagsLS[_key]=currentMagErrMap;
-//   fitErr.PhisLS[_key]=currentPhiErrMap;
-
-//   _absDyn->getDefaultParams(fitVal, fitErr);
-
-
-//   if(!_daughter1IsStable) _decAmpDaughter1->getDefaultParams(fitVal, fitErr);
-//   if(!_daughter2IsStable) _decAmpDaughter2->getDefaultParams(fitVal, fitErr);
-// }
-
-
-void  TensorDecAmps::fillDefaultParams(std::shared_ptr<AbsPawianParameters> fitPar){
-
-   std::vector< std::shared_ptr<const LScomb> >::const_iterator itLS;
-  for(itLS=_LSs.begin(); itLS!=_LSs.end(); ++itLS){
-    //fill magnitude
-    std::string magName=(*itLS)->name()+_key+"Mag";
-    double valMag=_factorMag;
-    double errMag=_factorMag/2.;
-    //    double minMag=0.;
-    //    double maxMag=_factorMag+30.*errMag;
-
-    fitPar->Add(magName, valMag, errMag);
-    //    fitPar->SetLimits(magName, minMag, maxMag);
-
-    std::string phiName=(*itLS)->name()+_key+"Phi";
-    double valPhi=0.;
-    double errPhi=0.2;
-    //no limits for phi parameter
-    fitPar->Add(phiName, valPhi, errPhi);
-  }
-
-  _absDyn->fillDefaultParams(fitPar);
-
-  if(!_daughter1IsStable) _decAmpDaughter1->fillDefaultParams(fitPar);
-  if(!_daughter2IsStable) _decAmpDaughter2->fillDefaultParams(fitPar);
-}
-
-void TensorDecAmps::fillParamNameList(){
-  _paramNameList.clear(); 
-  std::vector< std::shared_ptr<const LScomb> >::const_iterator itLS;
-  for(itLS=_LSs.begin(); itLS!=_LSs.end(); ++itLS){
-    std::string magName=(*itLS)->name()+_key+"Mag";
-    _paramNameList.push_back(magName);
-
-    std::string phiName=(*itLS)->name()+_key+"Phi";
-    _paramNameList.push_back(phiName);
-  }
-}
-
-void TensorDecAmps::print(std::ostream& os) const{
-  return; //dummy
-}
-
-void TensorDecAmps::updateFitParams(std::shared_ptr<AbsPawianParameters> fitPar){
-
-  std::vector< std::shared_ptr<const LScomb> >::const_iterator itLS;
-  for(itLS=_LSs.begin(); itLS!=_LSs.end(); ++itLS){
-    //magnitude
-    std::string magName=(*itLS)->name()+_key+"Mag";
-    std::string phiName=(*itLS)->name()+_key+"Phi";
-    double theMag=fabs(fitPar->Value(magName));
-    double thePhi=fitPar->Value(phiName);
-
-    _currentParamMags[*itLS]=theMag;
-    _currentParamPhis[*itLS]=thePhi;
-    
-    complex<double> expi(cos(thePhi), sin(thePhi));
-    _currentParamMagExpi[*itLS]=theMag*expi;
-  }
-
-  _absDyn->updateFitParams(fitPar);
-  if(!_daughter1IsStable) _decAmpDaughter1->updateFitParams(fitPar);
-  if(!_daughter2IsStable) _decAmpDaughter2->updateFitParams(fitPar);
-}
-
-
-void TensorDecAmps::calcDynamics(EvtData* theData, AbsXdecAmp* grandmaAmp){
-  if(!_recalculate) return; 
-
-  if(!_absDyn->isLdependent()){
-    AbsXdecAmp::calcDynamics(theData, grandmaAmp);
-    return;
-  }
-
- std::vector< std::shared_ptr<const LScomb> >::iterator it;
- for (it=_LSs.begin(); it!=_LSs.end(); ++it){
-   _cachedDynIdLSMap[(*it)->L][_absDyn->grandMaId(grandmaAmp)]=_absDyn->eval(theData, grandmaAmp, (*it)->L);
- }  
-
- if(!_daughter1IsStable) _decAmpDaughter1->calcDynamics(theData, this);
- if(!_daughter2IsStable) _decAmpDaughter2->calcDynamics(theData, this);
- return;
-}
-
-
diff --git a/buildallCmake b/buildallCmake
index 6443b4ad5d750ce4e010d29b74388672c8d6ce9c..0bdb9cb551d673e7bb641f656e76ad56905892df 100755
--- a/buildallCmake
+++ b/buildallCmake
@@ -17,6 +17,6 @@ fi
 
 cd build
 
-cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=.. -DBUILD_SHARED_LIBS=ON
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=.. -DBUILD_SHARED_LIBS=ON -DCMAKE_C_COMPILER=/usr/local/bin/gcc -DCMAKE_CXX_COMPILER=/usr/local/bin/g++
 make
 make install