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	diff --git a/Hadronization/HadronSelector.cc b/Hadronization/HadronSelector.cc
	--- a/Hadronization/HadronSelector.cc
	+++ b/Hadronization/HadronSelector.cc
	@@ -1,1137 +1,1137 @@
	// -- C++ --
	//
	// HadronSelector.cc is a part of Herwig - A multi-purpose Monte Carlo event generator
	// Copyright (C) 2002-2019 The Herwig Collaboration
	//
	// Herwig is licenced under version 3 of the GPL, see COPYING for details.
	// Please respect the MCnet academic guidelines, see GUIDELINES for details.
	//
	//
	// This is the implementation of the non-inlined, non-templated member
	// functions of the HadronSelector class.
	//

	#include "HadronSelector.h"
	#include "ThePEG/Interface/ClassDocumentation.h"
	#include "ThePEG/Interface/Parameter.h"
	#include "ThePEG/Interface/Switch.h"
	#include "ThePEG/Interface/ParVector.h"
	#include "ThePEG/Interface/RefVector.h"
	#include "ThePEG/Persistency/PersistentOStream.h"
	#include "ThePEG/Persistency/PersistentIStream.h"
	#include <ThePEG/PDT/EnumParticles.h>
	#include <ThePEG/Repository/EventGenerator.h>
	#include <ThePEG/Repository/CurrentGenerator.h>
	#include <ThePEG/Repository/Repository.h>
	#include "CheckId.h"
	#include <ThePEG/Utilities/DescribeClass.h>

	using namespace Herwig;

	DescribeAbstractClass<HadronSelector,Interfaced>
	describeHadronSelector("Herwig::HadronSelector","Herwig.so");

	namespace {
	// debug helper
	void dumpTable(const HadronSelector::HadronTable & tbl) {
	typedef HadronSelector::HadronTable::const_iterator TableIter;
	for (TableIter it = tbl.begin(); it != tbl.end(); ++it) {
	cerr << it->first.first << ' '
	<< it->first.second << '\n';
	for (HadronSelector::KupcoData::const_iterator jt = it->second.begin();
	jt != it->second.end(); ++jt) {
	cerr << '\t' << *jt << '\n';
	}
	}
	}

	bool weightIsLess (pair<long,double> a, pair<long,double> b) {
	return a.second < b.second;
	}
	}

	HadronSelector::HadronSelector(unsigned int opt)
	: _pwtDquark( 1.0 ),_pwtUquark( 1.0 ),_pwtSquark( 1.0 ),_pwtCquark( 0.0 ),
	_pwtBquark( 0.0 ),_pwtDIquarkS0( 1.0 ),_pwtDIquarkS1( 1.0 ),
	_weight1S0(Nmax,1.),_weight3S1(Nmax,1.),_weight1P1(Nmax,1.),_weight3P0(Nmax,1.),
	_weight3P1(Nmax,1.),_weight3P2(Nmax,1.),_weight1D2(Nmax,1.),_weight3D1(Nmax,1.),
	_weight3D2(Nmax,1.),_weight3D3(Nmax,1.),
	_repwt(Lmax,vector<vector<double> >(Jmax,vector<double>(Nmax))),
	_sngWt( 1.0 ),_octWt(1.0), _decWt( 1.0 ),
	_topt(opt),_trial(0),
	_limBottom(), _limCharm(), _limExotic(), belowThreshold_(0)
	{
	// The mixing angles
	// the ideal mixing angle
	const double idealAngleMix = atan( sqrt(0.5) ) * 180.0 / Constants::pi;
	// \eta-\eta' mixing angle
	_etamix = -23.0;
	// phi-omega mixing angle
	_phimix = +36.0;
	// h_1'-h_1 mixing angle
	_h1mix = idealAngleMix;
	// f_0(1710)-f_0(1370) mixing angle
	_f0mix = idealAngleMix;
	// f_1(1420)-f_1(1285)\f$ mixing angle
	_f1mix = idealAngleMix;
	// f'_2-f_2\f$ mixing angle
	_f2mix = +26.0;
	// eta_2(1870)-eta_2(1645) mixing angle
	_eta2mix = idealAngleMix;
	// phi(???)-omega(1650) mixing angle
	_omhmix = idealAngleMix;
	// phi_3-omega_3 mixing angle
	_ph3mix = +28.0;
	// eta(1475)-eta(1295) mixing angle
	_eta2Smix = idealAngleMix;
	// phi(1680)-omega(1420) mixing angle
	_phi2Smix = idealAngleMix;
	}

	void HadronSelector::persistentOutput(PersistentOStream & os) const {
	os << _partons << _pwtDquark << _pwtUquark << _pwtSquark
	<< _pwtCquark << _pwtBquark << _pwtDIquarkS0 << _pwtDIquarkS1
	<< _etamix << _phimix << _h1mix << _f0mix << _f1mix << _f2mix
	<< _eta2mix << _omhmix << _ph3mix << _eta2Smix << _phi2Smix
	<< _weight1S0 << _weight3S1 << _weight1P1 << _weight3P0 << _weight3P1
	<< _weight3P2 << _weight1D2 << _weight3D1 << _weight3D2 << _weight3D3
	<< _forbidden << _sngWt << _octWt << _decWt << _repwt << _pwt
	<< _limBottom << _limCharm << _limExotic << belowThreshold_
	<< _table;
	}

	void HadronSelector::persistentInput(PersistentIStream & is, int) {
	is >> _partons >> _pwtDquark >> _pwtUquark >> _pwtSquark
	>> _pwtCquark >> _pwtBquark >> _pwtDIquarkS0 >> _pwtDIquarkS1
	>> _etamix >> _phimix >> _h1mix >> _f0mix >> _f1mix >> _f2mix
	>> _eta2mix >> _omhmix >> _ph3mix >> _eta2Smix >> _phi2Smix
	>> _weight1S0 >> _weight3S1 >> _weight1P1 >> _weight3P0 >> _weight3P1
	>> _weight3P2 >> _weight1D2 >> _weight3D1 >> _weight3D2 >> _weight3D3
	>> _forbidden >> _sngWt >> _octWt >> _decWt >> _repwt >> _pwt
	>> _limBottom >> _limCharm >> _limExotic >> belowThreshold_
	>> _table;
	}

	void HadronSelector::Init() {

	static ClassDocumentation<HadronSelector> documentation
	("There is no documentation for the HadronSelector class");

	static Parameter<HadronSelector,double>
	interfacePwtDquark("PwtDquark","Weight for choosing a quark D",
	&HadronSelector::_pwtDquark, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtUquark("PwtUquark","Weight for choosing a quark U",
	&HadronSelector::_pwtUquark, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtSquark("PwtSquark","Weight for choosing a quark S",
	&HadronSelector::_pwtSquark, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtCquark("PwtCquark","Weight for choosing a quark C",
	&HadronSelector::_pwtCquark, 0, 0.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtBquark("PwtBquark","Weight for choosing a quark B",
	&HadronSelector::_pwtBquark, 0, 0.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtDIquarkS0("PwtDIquarkS0","Weight for choosing a spin-0 DIquark",
	&HadronSelector::_pwtDIquarkS0, 0, 1.0, 0.0, 100.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfacePwtDIquarkS1("PwtDIquarkS1","Weight for choosing a spin-1 DIquark",
	&HadronSelector::_pwtDIquarkS1, 0, 1.0, 0.0, 100.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfaceSngWt("SngWt","Weight for singlet baryons",
	&HadronSelector::_sngWt, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfaceOctWt("OctWt","Weight for octet baryons",
	&HadronSelector::_octWt, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static Parameter<HadronSelector,double>
	interfaceDecWt("DecWt","Weight for decuplet baryons",
	&HadronSelector::_decWt, 0, 1.0, 0.0, 10.0,
	false,false,false);

	static RefVector<HadronSelector,ParticleData> interfacePartons
	("Partons",
	"The partons which are to be considered as the consistuents of the hadrons.",
	&HadronSelector::_partons, -1, false, false, true, false, false);

	static RefVector<HadronSelector,ParticleData> interfaceForbidden
	("Forbidden",
	"The PDG codes of the particles which cannot be produced in the hadronization.",
	&HadronSelector::_forbidden, -1, false, false, true, false, false);

	//
	// mixing angles
	//
	// the ideal mixing angle
	const double idealAngleMix = atan( sqrt(0.5) ) * 180.0 / Constants::pi;

	static Parameter<HadronSelector,double> interface11S0Mixing
	("11S0Mixing",
	"The mixing angle for the I=0 mesons from the 1 1S0 multiplet,"
	" i.e. eta and etaprime.",
	&HadronSelector::_etamix, -23., -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13S1Mixing
	("13S1Mixing",
	"The mixing angle for the I=0 mesons from the 1 3S1 multiplet,"
	" i.e. phi and omega.",
	&HadronSelector::_phimix, +36., -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface11P1Mixing
	("11P1Mixing",
	"The mixing angle for the I=0 mesons from the 1 1P1 multiplet,"
	" i.e. h_1' and h_1.",
	&HadronSelector::_h1mix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13P0Mixing
	("13P0Mixing",
	"The mixing angle for the I=0 mesons from the 1 3P0 multiplet,"
	" i.e. f_0(1710) and f_0(1370).",
	&HadronSelector::_f0mix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13P1Mixing
	("13P1Mixing",
	"The mixing angle for the I=0 mesons from the 1 3P1 multiplet,"
	" i.e. f_1(1420) and f_1(1285).",
	&HadronSelector::_f1mix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13P2Mixing
	("13P2Mixing",
	"The mixing angle for the I=0 mesons from the 1 3P2 multiplet,"
	" i.e. f'_2 and f_2.",
	&HadronSelector::_f2mix, 26.0, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface11D2Mixing
	("11D2Mixing",
	"The mixing angle for the I=0 mesons from the 1 1D2 multiplet,"
	" i.e. eta_2(1870) and eta_2(1645).",
	&HadronSelector::_eta2mix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13D0Mixing
	("13D0Mixing",
	"The mixing angle for the I=0 mesons from the 1 3D0 multiplet,"
	" i.e. eta_2(1870) phi(?) and omega(1650).",
	&HadronSelector::_omhmix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface13D1Mixing
	("13D1Mixing",
	"The mixing angle for the I=0 mesons from the 1 3D1 multiplet,"
	" i.e. phi_3 and omega_3.",
	&HadronSelector::_ph3mix, 28.0, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface21S0Mixing
	("21S0Mixing",
	"The mixing angle for the I=0 mesons from the 2 1S0 multiplet,"
	" i.e. eta(1475) and eta(1295).",
	&HadronSelector::_eta2Smix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);

	static Parameter<HadronSelector,double> interface23S1Mixing
	("23S1Mixing",
	"The mixing angle for the I=0 mesons from the 1 3S1 multiplet,"
	" i.e. phi(1680) and omega(1420).",
	&HadronSelector::_phi2Smix, idealAngleMix, -180., 180.,
	false, false, Interface::limited);
	//
	// the meson weights
	//
	static ParVector<HadronSelector,double> interface1S0Weights
	("1S0Weights",
	"The weights for the 1S0 multiplets start with n=1.",
	&HadronSelector::_weight1S0, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3S1Weights
	("3S1Weights",
	"The weights for the 3S1 multiplets start with n=1.",
	&HadronSelector::_weight3S1, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface1P1Weights
	("1P1Weights",
	"The weights for the 1P1 multiplets start with n=1.",
	&HadronSelector::_weight1P1, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3P0Weights
	("3P0Weights",
	"The weights for the 3P0 multiplets start with n=1.",
	&HadronSelector::_weight3P0, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3P1Weights
	("3P1Weights",
	"The weights for the 3P1 multiplets start with n=1.",
	&HadronSelector::_weight3P1, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3P2Weights
	("3P2Weights",
	"The weights for the 3P2 multiplets start with n=1.",
	&HadronSelector::_weight3P2, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface1D2Weights
	("1D2Weights",
	"The weights for the 1D2 multiplets start with n=1.",
	&HadronSelector::_weight1D2, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3D1Weights
	("3D1Weights",
	"The weights for the 3D1 multiplets start with n=1.",
	&HadronSelector::_weight3D1, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3D2Weights
	("3D2Weights",
	"The weights for the 3D2 multiplets start with n=1.",
	&HadronSelector::_weight3D2, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static ParVector<HadronSelector,double> interface3D3Weights
	("3D3Weights",
	"The weights for the 3D3 multiplets start with n=1.",
	&HadronSelector::_weight3D3, Nmax, 1.0, 0.0, 100.0,
	false, false, Interface::limited);

	static Switch<HadronSelector,unsigned int> interfaceTrial
	("Trial",
	"A Debugging option to only produce certain types of hadrons",
	&HadronSelector::_trial, 0, false, false);
	static SwitchOption interfaceTrialAll
	(interfaceTrial,
	"All",
	"Produce all the hadrons",
	0);
	static SwitchOption interfaceTrialPions
	(interfaceTrial,
	"Pions",
	"Only produce pions",
	1);
	static SwitchOption interfaceTrialSpin2
	(interfaceTrial,
	"Spin2",
	"Only mesons with spin less than or equal to two are produced",
	2);
	static SwitchOption interfaceTrialSpin3
	(interfaceTrial,
	"Spin3",
	"Only hadrons with spin less than or equal to three are produced",
	3);

	static Parameter<HadronSelector,double>
	interfaceSingleHadronLimitBottom ("SingleHadronLimitBottom",
	"Threshold for one-hadron decay of b-cluster",
	&HadronSelector::_limBottom,
	0, 0.0, 0.0, 100.0,false,false,false);

	static Parameter<HadronSelector,double>
	interfaceSingleHadronLimitCharm ("SingleHadronLimitCharm",
	"threshold for one-hadron decay of c-cluster",
	&HadronSelector::_limCharm,
	0, 0.0, 0.0, 100.0,false,false,false);

	static Parameter<HadronSelector,double>
	interfaceSingleHadronLimitExotic ("SingleHadronLimitExotic",
	"threshold for one-hadron decay of exotic cluster",
	&HadronSelector::_limExotic,
	0, 0.0, 0.0, 100.0,false,false,false);

	static Switch<HadronSelector,unsigned int> interfaceBelowThreshold
	("BelowThreshold",
	"Option fo the selection of the hadrons if the cluster is below the pair threshold",
	&HadronSelector::belowThreshold_, 0, false, false);
	static SwitchOption interfaceBelowThresholdLightest
	(interfaceBelowThreshold,
	"Lightest",
	"Force cluster to decay to the lightest hadron with the appropriate flavours",
	0);
	static SwitchOption interfaceBelowThresholdAll
	(interfaceBelowThreshold,
	"All",
	"Select from all the hadrons below the two hadron threshold according to their spin weights",
	1);


	}

	double HadronSelector::mixingStateWeight(long id) const {
	switch(id) {
	case ParticleID::eta: return 0.5*probabilityMixing(_etamix ,1);
	case ParticleID::etaprime: return 0.5*probabilityMixing(_etamix ,2);
	case ParticleID::phi: return 0.5*probabilityMixing(_phimix ,1);
	case ParticleID::omega: return 0.5*probabilityMixing(_phimix ,2);
	case ParticleID::hprime_1: return 0.5*probabilityMixing(_h1mix ,1);
	case ParticleID::h_1: return 0.5*probabilityMixing(_h1mix ,2);
	case 10331: return 0.5*probabilityMixing(_f0mix ,1);
	case 10221: return 0.5*probabilityMixing(_f0mix ,2);
	case ParticleID::fprime_1: return 0.5*probabilityMixing(_f1mix ,1);
	case ParticleID::f_1: return 0.5*probabilityMixing(_f1mix ,2);
	case ParticleID::fprime_2: return 0.5*probabilityMixing(_f2mix ,1);
	case ParticleID::f_2: return 0.5*probabilityMixing(_f2mix ,2);
	case 10335: return 0.5*probabilityMixing(_eta2mix ,1);
	case 10225: return 0.5*probabilityMixing(_eta2mix ,2);
	// missing phi member of 13D1 should be here
	case 30223: return 0.5*probabilityMixing(_omhmix ,2);
	case 337: return 0.5*probabilityMixing(_ph3mix ,1);
	case 227: return 0.5*probabilityMixing(_ph3mix ,2);
	case 100331: return 0.5*probabilityMixing(_eta2mix ,1);
	case 100221: return 0.5*probabilityMixing(_eta2mix ,2);
	case 100333: return 0.5*probabilityMixing(_phi2Smix,1);
	case 100223: return 0.5*probabilityMixing(_phi2Smix,2);
	default: return 1./3.;
	}
	}

	void HadronSelector::doinit() {
	Interfaced::doinit();
	// the default partons allowed
	// the quarks
	for ( int ix=1; ix<=5; ++ix ) {
	_partons.push_back(getParticleData(ix));
	}
	// the diquarks
	for(unsigned int ix=1;ix<=5;++ix) {
	for(unsigned int iy=1; iy<=ix;++iy) {
	_partons.push_back(getParticleData(CheckId::makeDiquarkID(ix,iy,long(3))));
	if(ix!=iy)
	_partons.push_back(getParticleData(CheckId::makeDiquarkID(ix,iy,long(1))));
	}
	}
	// set the weights for the various excited mesons
	// set all to one to start with
	for (int l = 0; l < Lmax; ++l ) {
	for (int j = 0; j < Jmax; ++j) {
	for (int n = 0; n < Nmax; ++n) {
	_repwt[l][j][n] = 1.0;
	}
	}
	}
	// set the others from the relevant vectors
	for( int ix=0;ix<max(int(_weight1S0.size()),int(Nmax));++ix)
	_repwt[0][0][ix]=_weight1S0[ix];
	for( int ix=0;ix<max(int(_weight3S1.size()),int(Nmax));++ix)
	_repwt[0][1][ix]=_weight3S1[ix];
	for( int ix=0;ix<max(int(_weight1P1.size()),int(Nmax));++ix)
	_repwt[1][1][ix]=_weight1P1[ix];
	for( int ix=0;ix<max(int(_weight3P0.size()),int(Nmax));++ix)
	_repwt[1][0][ix]=_weight3P0[ix];
	for( int ix=0;ix<max(int(_weight3P1.size()),int(Nmax));++ix)
	_repwt[1][1][ix]=_weight3P1[ix];
	for( int ix=0;ix<max(int(_weight3P2.size()),int(Nmax));++ix)
	_repwt[1][2][ix]=_weight3P2[ix];
	for( int ix=0;ix<max(int(_weight1D2.size()),int(Nmax));++ix)
	_repwt[2][2][ix]=_weight1D2[ix];
	for( int ix=0;ix<max(int(_weight3D1.size()),int(Nmax));++ix)
	_repwt[2][1][ix]=_weight3D1[ix];
	for( int ix=0;ix<max(int(_weight3D2.size()),int(Nmax));++ix)
	_repwt[2][2][ix]=_weight3D2[ix];
	for( int ix=0;ix<max(int(_weight3D3.size()),int(Nmax));++ix)
	_repwt[2][3][ix]=_weight3D3[ix];
	// weights for the different quarks etc
	for(unsigned int ix=0; ix<_partons.size(); ++ix) {
	_pwt[_partons[ix]->id()]=1.;
	}
	_pwt[1] = _pwtDquark;
	_pwt[2] = _pwtUquark;
	_pwt[3] = _pwtSquark;
	_pwt[4] = _pwtCquark;
	_pwt[5] = _pwtBquark;
	_pwt[1103] = _pwtDIquarkS1 * _pwtDquark * _pwtDquark;
	_pwt[2101] = 0.5 * _pwtDIquarkS0 * _pwtUquark * _pwtDquark;
	_pwt[2103] = 0.5 * _pwtDIquarkS1 * _pwtUquark * _pwtDquark;
	_pwt[2203] = _pwtDIquarkS1 * _pwtUquark * _pwtUquark;
	_pwt[3101] = 0.5 * _pwtDIquarkS0 * _pwtSquark * _pwtDquark;
	_pwt[3103] = 0.5 * _pwtDIquarkS1 * _pwtSquark * _pwtDquark;
	_pwt[3201] = 0.5 * _pwtDIquarkS0 * _pwtSquark * _pwtUquark;
	_pwt[3203] = 0.5 * _pwtDIquarkS1 * _pwtSquark * _pwtUquark;
	_pwt[3303] = _pwtDIquarkS1 * _pwtSquark * _pwtSquark;

	// Commenting out heavy di-quark weights
	_pwt[4101] = 0.0;
	_pwt[4201] = 0.0;
	_pwt[4301] = 0.0;
	_pwt[4403] = 0.0;
	_pwt[5101] = 0.0;
	_pwt[5201] = 0.0;
	_pwt[5301] = 0.0;
	_pwt[5401] = 0.0;
	_pwt[5503] = 0.0;
	// find the maximum
	map<long,double>::iterator pit =
	max_element(_pwt.begin(),_pwt.end(),weightIsLess);
	const double pmax = pit->second;
	for(pit=_pwt.begin(); pit!=_pwt.end(); ++pit) {
	pit->second/=pmax;
	}
	// construct the hadron tables
	constructHadronTable();
	// for debugging
	- dumpTable(table());
	+ // dumpTable(table());
	}

	void HadronSelector::insertToHadronTable(tPDPtr &particle, int flav1, int flav2) {
	// inserting a new Hadron in the hadron table.
	long pid = particle->id();
	int pspin = particle->iSpin();
	double maxdd(0.),maxss(0.),maxrest(0.);
	HadronInfo a(pid, particle,specialWeight(pid),particle->mass());
	// set the weight to the number of spin states
	a.overallWeight = pspin;
	// identical light flavours
	if(flav1 == flav2 && flav1<=3) {
	// ddbar> uubar> admixture states
	if(flav1==1) {
	if(_topt != 0) a.overallWeight = 0.5a.swtef;
	_table[make_pair(1,1)].insert(a);
	_table[make_pair(2,2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxdd) maxdd = a.overallWeight;
	}
	// load up ssbar> uubar> ddbar> admixture states
	else {
	a.wt = mixingStateWeight(pid);
	a.overallWeight *= a.wt;
	if(_topt != 0) a.overallWeight *= a.swtef;
	_table[make_pair(1,1)].insert(a);
	_table[make_pair(2,2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxdd) maxdd = a.overallWeight;
	a.wt = (_topt != 0) ? 1.- 2.*a.wt : 1 - a.wt;
	if(a.wt > 0) {
	a.overallWeight = a.wt * a.swtef * pspin;
	_table[make_pair(3,3)].insert(a);
	if(_topt == 0 && a.overallWeight > maxss) maxss = a.overallWeight;
	}
	}
	}
	// spin-1/2 baryons
	else if(pspin==2) {
	// octet bit
	assert(DiquarkMatcher::Check(flav1));
	long iq1 = flav1/1000;
	long iq2 = (flav1/100)%10;
	if(_topt != 0) a.overallWeight *= a.swtef;
	if(iq1==iq2) {
	assert(flav2!=iq1);
	// first the uu1 d type piece
	a.wt = 1./6.;
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// also need ud1 u type
	long f3 = CheckId::makeDiquarkID(iq1,flav2,3);
	a.overallWeight /= a.wt;
	a.wt = 1./12.;
	a.overallWeight *= a.wt;
	_table[make_pair(iq1,f3 )].insert(a);
	_table[make_pair(f3 ,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// and ud0 u type
	f3 = CheckId::makeDiquarkID(iq1,flav2,1);
	a.overallWeight /= a.wt;
	a.wt = 3./4.;
	a.overallWeight *= a.wt;
	_table[make_pair(iq1,f3 )].insert(a);
	_table[make_pair(f3 ,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	else if(iq1==flav2) {
	// ud1 u type
	a.wt = 1./12.;
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// also need ud0 u type
	long f3 = CheckId::makeDiquarkID(iq1,iq2,1);
	a.overallWeight /= a.wt;
	a.wt = 3./4.;
	a.overallWeight *= a.wt;
	_table[make_pair(f3 ,flav2)].insert(a);
	_table[make_pair(flav2 ,f3 )].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// and uu1 d type
	f3 = CheckId::makeDiquarkID(iq1,iq1,3);
	a.overallWeight /= a.wt;
	a.wt = 1./6.;
	a.overallWeight *= a.wt;
	_table[make_pair(f3 ,iq2)].insert(a);
	_table[make_pair(iq2, f3)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	else if(iq2==flav2) assert(false);
	else {
	// determine if light quarks in spin 0 or spin 1
	long it1 = (pid/100)%10;
	long it2 = (pid/10 )%10;
	// first perm
	// only spin-0
	if(it1<it2) {
	long f3 = CheckId::makeDiquarkID(iq1,iq2,1);
	a.wt = 1./2.;
	a.overallWeight *= a.wt;
	_table[make_pair(f3,flav2)].insert(a);
	_table[make_pair(flav2,f3)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	// only spin-1
	else {
	a.wt = 1./6.;
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	// not sure here
	// spin 0
	a.overallWeight /= a.wt;
	a.wt = 1./2.;
	a.overallWeight *= a.wt;
	// second perm
	long f3 = CheckId::makeDiquarkID(iq1,flav2,1);
	_table[make_pair(iq2,f3)].insert(a);
	_table[make_pair(f3,iq2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// 3rd perm
	f3 = CheckId::makeDiquarkID(iq2,flav2,1);
	_table[make_pair(iq1,f3)].insert(a);
	_table[make_pair(f3,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// spin 1
	a.overallWeight /= a.wt;
	a.wt = 1./6.;
	a.overallWeight *= a.wt;
	// second perm
	f3 = CheckId::makeDiquarkID(iq1,flav2,3);
	_table[make_pair(iq2,f3)].insert(a);
	_table[make_pair(f3,iq2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// 3rd perm
	f3 = CheckId::makeDiquarkID(iq2,flav2,3);
	_table[make_pair(iq1,f3)].insert(a);
	_table[make_pair(f3,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	}
	// spin -3/2 baryons
	else if(pspin==4) {
	long iq1 = flav1/1000;
	long iq2 = (flav1/100)%10;
	if(_topt != 0) a.overallWeight *= a.swtef;
	// all the same
	if(iq1==iq2 && iq1==flav2) {
	a.wt = 1.;
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	else if(iq1==iq2) {
	// first option uu1 d
	- a.wt = 1./3.;
	+ a.wt = 2./3.; // should be 1/3
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// also need ud1 u type
	long f3 = CheckId::makeDiquarkID(iq1,flav2,3);
	a.overallWeight /= a.wt;
	- a.wt = 2./3.;
	+ a.wt = 2./3.; // should be 1/3
	a.overallWeight *= a.wt;
	_table[make_pair(iq1,f3 )].insert(a);
	_table[make_pair(f3 ,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	else if(iq1==flav2) {
	// also need ud1 u type
	a.wt = 2./3.;
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// and uu1 d type
	long f3 = CheckId::makeDiquarkID(iq1,iq1,3);
	a.overallWeight /= a.wt;
	- a.wt = 1./3.;
	+ a.wt = 2./3.; // should be 1/3
	a.overallWeight *= a.wt;
	_table[make_pair(iq2,f3)].insert(a);
	_table[make_pair(f3,iq2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	else if(iq2==flav2) assert(false);
	else {
	// just need the three different combinations
	// first perm
	- a.wt = 1./3.;
	+ a.wt = 2./3.; // should be 1/3
	a.overallWeight *= a.wt;
	_table[make_pair(flav1,flav2)].insert(a);
	_table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// 2nd perm
	long f3 = CheckId::makeDiquarkID(iq1,flav2,3);
	_table[make_pair(iq2,f3)].insert(a);
	_table[make_pair(f3,iq2)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	// 3rd perm
	f3 = CheckId::makeDiquarkID(iq2,flav2,3);
	_table[make_pair(iq1,f3)].insert(a);
	_table[make_pair(f3,iq1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	}
	// all other cases
	else {
	if(_topt != 0) a.overallWeight *=a.swtef;
	_table[make_pair(flav1,flav2)].insert(a);
	if(flav1 != flav2) _table[make_pair(flav2,flav1)].insert(a);
	if(_topt == 0 && a.overallWeight > maxrest) maxrest = a.overallWeight;
	}
	// normalise weights to one for first option
	if(_topt == 0) {
	HadronTable::const_iterator tit;
	KupcoData::iterator it;
	for(tit=_table.begin();tit!=_table.end();++tit) {
	double weight;
	if(tit->first.first==tit->first.second) {
	if(tit->first.first==1\|\|tit->first.first==2) weight=1./maxdd;
	else if (tit->first.first==3) weight=1./maxss;
	else weight=1./maxrest;
	}
	else weight=1./maxrest;
	for(it = tit->second.begin(); it!=tit->second.end(); ++it) {
	it->rescale(weight);
	}
	}
	}
	}

	void HadronSelector::constructHadronTable() {
	// initialise the table
	_table.clear();
	for(unsigned int ix=0; ix<_partons.size(); ++ix) {
	for(unsigned int iy=0; iy<_partons.size(); ++iy) {
	if (!(DiquarkMatcher::Check(_partons[ix]->id())
	&& DiquarkMatcher::Check(_partons[iy]->id())))
	_table[make_pair(_partons[ix]->id(),_partons[iy]->id())] = KupcoData();
	}
	}
	// get the particles from the event generator
	ParticleMap particles = generator()->particles();
	// loop over the particles
	for(ParticleMap::iterator it=particles.begin();
	it!=particles.end(); ++it) {
	long pid = it->first;
	tPDPtr particle = it->second;
	int pspin = particle->iSpin();
	// Don't include hadrons which are explicitly forbidden
	if(find(_forbidden.begin(),_forbidden.end(),particle)!=_forbidden.end())
	continue;
	// Don't include non-hadrons or antiparticles
	if(pid < 100) continue;
	// remove diffractive particles
	if(pspin == 0) continue;
	// K_0S and K_0L not made make K0 and Kbar0
	if(pid==ParticleID::K_S0\|\|pid==ParticleID::K_L0) continue;
	// Debugging options
	// Only include those with 2J+1 less than...5
	if(_trial==2 && pspin >= 5) continue;
	// Only include those with 2J+1 less than...7
	if(_trial==3 && pspin >= 7) continue;
	// Only include pions
	if(_trial==1 && pid!=111 && pid!=211) continue;
	// shouldn't be coloured
	if(particle->coloured()) continue;
	// Get the flavours
	const int x4 = (pid/1000)%10;
	const int x3 = (pid/100 )%10;
	const int x2 = (pid/10 )%10;
	const int x7 = (pid/1000000)%10;
	const bool wantSusy = x7 == 1 \|\| x7 == 2;
	// Skip non-hadrons (susy particles, etc...)
	if(x3 == 0 \|\| x2 == 0) continue;
	int flav1,flav2;
	// meson
	if(x4 == 0) {
	flav1 = x2;
	flav2 = x3;
	if (wantSusy) flav2 += 1000000 * x7;
	}
	// baryon
	else {
	flav2 = x4;
	if (wantSusy) flav2 += 1000000 * x7;
	// insert the spin 1 diquark, sort out the rest later
	flav1 = CheckId::makeDiquarkID(x2,x3,3);
	}
	insertToHadronTable(particle,flav1,flav2);
	}
	}

	double HadronSelector::specialWeight(long id) const {
	const int pspin = id % 10;
	// Only K0L and K0S have pspin == 0, should
	// not get them until Decay step
	assert( pspin != 0 );
	// Baryon : J = 1/2 or 3/2
	if(pspin == 2) {
	// Singlet (Lambda-like) baryon
	if( (id/100)%10 < (id/10 )%10 ) return sqr(_sngWt);
	// octet
	else return sqr(_octWt);
	}
	// Decuplet baryon
	else if (pspin == 4) return sqr(_decWt);
	// Meson
	else if(pspin % 2 == 1) {
	// Total angular momentum
	int j = (pspin - 1) / 2;
	// related to Orbital angular momentum l
	int nl = (id/10000 )%10;
	int l = -999;
	int n = (id/100000)%10; // Radial excitation
	if(j == 0) l = nl;
	else if(nl == 0) l = j - 1;
	else if(nl == 1 \|\| nl == 2) l = j;
	else if(nl == 3) l = j + 1;
	// Angular or Radial excited meson
	if((l\|\|j\|\|n) && l>=0 && l<Lmax && j<Jmax && n<Nmax) {
	return sqr(_repwt[l][j][n]);
	}
	}
	// rest is not excited or
	// has spin >= 5/2 (ispin >= 6), haven't got those
	return 1.0;
	}

	int HadronSelector::signHadron(tcPDPtr idQ1, tcPDPtr idQ2,
	tcPDPtr hadron) const {
	// This method receives in input three PDG ids, whose the
	// first two have proper signs (corresponding to particles, id > 0,
	// or antiparticles, id < 0 ), whereas the third one must
	// be always positive (particle not antiparticle),
	// corresponding to:
	// --- quark-antiquark, or antiquark-quark, or
	// quark-diquark, or diquark-quark, or
	// antiquark-antidiquark, or antidiquark-antiquark
	// for the first two input (idQ1, idQ2);
	// --- meson or baryon for the third input (idHad):
	// The method returns:
	// --- + 1 if the two partons (idQ1, idQ2) are exactly
	// the constituents for the hadron idHad;
	// --- - 1 if the two partons (idQ1, idQ2) are exactly
	// the constituents for the anti-hadron -idHad;
	// --- + 0 otherwise.
	// The method it is therefore useful to decide the
	// sign of the id of the produced hadron as appeared
	// in the vector _vecHad (where only hadron idHad > 0 are present)
	// given the two constituent partons.
	int sign = 0;
	long idHad = hadron->id();
	assert(idHad > 0);
	int chargeIn = idQ1->iCharge() + idQ2->iCharge();
	int chargeOut = hadron->iCharge();
	// same charge
	if( chargeIn == chargeOut && chargeIn !=0 ) sign = +1;
	else if(chargeIn == -chargeOut && chargeIn !=0 ) sign = -1;
	else if(chargeIn == 0 && chargeOut == 0 ) {
	// In the case of same null charge, there are four cases:
	// i) K0-like mesons, B0-like mesons, Bs-like mesons
	// the PDG convention is to consider them "antiparticle" (idHad < 0)
	// if the "dominant" (heavier) flavour (respectively, s, b)
	// is a quark (idQ > 0): for instance, B0s = (b, sbar) has id < 0
	// Remember that there is an important exception for K0L (id=130) and
	// K0S (id=310): they don't have antiparticles, therefore idHad > 0
	// always. We use below the fact that K0L and K0S are the unique
	// hadrons having 0 the first (less significant) digit of their id.
	// 2) D0-like mesons: the PDG convention is to consider them "particle"
	// (idHad > 0) if the charm flavour is carried by a c: (c,ubar) has id>0
	// 3) the remaining mesons should not have antiparticle, therefore their
	// sign is always positive.
	// 4) for baryons, that is when one of idQ1 and idQ2 is a (anti-) quark and
	// the other one is a (anti-) diquark the sign is negative when both
	// constituents are "anti", that is both with id < 0; positive otherwise.
	// meson
	if(abs(int(idQ1->iColour()))== 3 && abs(int(idQ2->iColour())) == 3 &&
	!DiquarkMatcher::Check(idQ1->id()) && !DiquarkMatcher::Check(idQ2->id()))
	{
	int idQa = abs(idQ1->id());
	int idQb = abs(idQ2->id());
	int dominant = idQ2->id();

	if(idQa > idQb) {
	swap(idQa,idQb);
	dominant = idQ1->id();
	}

	if((idQa==ParticleID::d && idQb==ParticleID::s) \|\|
	(idQa==ParticleID::d && idQb==ParticleID::b) \|\|
	(idQa==ParticleID::s && idQb==ParticleID::b)) {
	// idHad%10 is zero for K0L,K0S
	if (dominant < 0 \|\| idHad%10 == 0) sign = +1;
	else if(dominant > 0) sign = -1;
	}
	else if((idQa==ParticleID::u && idQb==ParticleID::c) \|\|
	(idQa==ParticleID::u && idQb==ParticleID::t) \|\|
	(idQa==ParticleID::c && idQb==ParticleID::t)) {
	if (dominant > 0) sign = +1;
	else if(dominant < 0) sign = -1;
	}
	else if(idQa==idQb) sign = +1;
	// sets sign for Susy particles
	else sign = (dominant > 0) ? +1 : -1;
	}
	// baryon
	else if(DiquarkMatcher::Check(idQ1->id()) \|\| DiquarkMatcher::Check(idQ2->id())) {
	if (idQ1->id() > 0 && idQ2->id() > 0) sign = +1;
	else if(idQ1->id() < 0 && idQ2->id() < 0) sign = -1;
	}
	}
	if (sign == 0) {
	cerr << "Could not work out sign for "
	<< idQ1->PDGName() << ' '
	<< idQ2->PDGName() << " => "
	<< hadron->PDGName() << '\n';
	assert(false);
	}
	return sign;
	}

	pair<tcPDPtr,tcPDPtr> HadronSelector::lightestHadronPair(tcPDPtr ptr1, tcPDPtr ptr2,
	tcPDPtr ptr3) const {
	// throw exception of id3!=0 as doesn't work
	if ( ptr3 ) throw Exception()
	<< "ptr3!=0 not yet implemented in HadronSelector::lightestHadronPair"
	<< Exception::abortnow;

	// charge
	int totalcharge = ptr1->iCharge() + ptr2->iCharge();
	if ( ptr3 ) totalcharge += ptr3->iCharge();

	tcPDPtr vIdHad1[2]={tcPDPtr(),tcPDPtr()},vIdHad2[2]={tcPDPtr(),tcPDPtr()};
	bool vOk[2] = {false, false};
	Energy vMassPair[2] = { ZERO, ZERO };
	for (int i = 0; i < 2; i++) {
	tcPDPtr idPartner = i==0 ? getParticleData(ParticleID::d) : getParticleData(ParticleID::u);
	// Change sign to idPartner (transform it into a anti-quark) if it is not
	// possible to form a meson or a baryon.
	assert (ptr1 && idPartner);
	if (!CheckId::canBeHadron(ptr1, idPartner)) idPartner = idPartner->CC();

	vIdHad1[i] = lightestHadron(ptr1, idPartner);
	vIdHad2[i] = lightestHadron(ptr2, idPartner->CC());
	if ( vIdHad1[i] && vIdHad2[i] &&
	vIdHad1[i]->iCharge() + vIdHad2[i]->iCharge() == totalcharge ) {
	vOk[i] = true;
	vMassPair[i] = vIdHad1[i]->mass() + vIdHad2[i]->mass();
	}
	}
	// Take the lightest pair compatible with charge conservation.
	if ( vOk[0] && ( ! vOk[1] \|\| vMassPair[0] <= vMassPair[1] ) ) {
	return make_pair(vIdHad1[0],vIdHad2[0]);
	}
	else if ( vOk[1] && ( ! vOk[0] \|\| vMassPair[1] < vMassPair[0] ) ) {
	return make_pair(vIdHad1[1],vIdHad2[1]);
	}
	else {
	return make_pair(tcPDPtr(),tcPDPtr());
	}
	}

	Energy HadronSelector::massLightestBaryonPair(tcPDPtr ptr1, tcPDPtr ptr2) const {
	// Make sure that we don't have any diquarks as input, return arbitrarily
	// large value if we do
	Energy currentSum = Constants::MaxEnergy;
	for(unsigned int ix=0; ix<_partons.size(); ++ix) {
	if(!DiquarkMatcher::Check(_partons[ix]->id())) continue;
	HadronTable::const_iterator
	tit1=_table.find(make_pair(abs(ptr1->id()),_partons[ix]->id())),
	tit2=_table.find(make_pair(_partons[ix]->id(),abs(ptr2->id())));
	if( tit1==_table.end() \|\| tit2==_table.end()) continue;
	if(tit1->second.empty()\|\|tit2->second.empty()) continue;
	Energy s = tit1->second.begin()->mass + tit2->second.begin()->mass;
	if(currentSum > s) currentSum = s;
	}
	return currentSum;
	}

	tcPDPtr HadronSelector::lightestHadron(tcPDPtr ptr1, tcPDPtr ptr2,
	#ifndef NDEBUG
	tcPDPtr ptr3) const {
	#else
	tcPDPtr ) const {
	#endif
	// The method assumes ptr3 == 0 rest not implemented
	assert(ptr1 && ptr2 && !ptr3);
	// find entry in the table
	pair<long,long> ids = make_pair(abs(ptr1->id()),abs(ptr2->id()));
	HadronTable::const_iterator tit=_table.find(ids);
	// throw exception if flavours wrong
	if (tit==_table.end())
	throw Exception() << "Could not find "
	<< ids.first << ' ' << ids.second
	<< " in _table. "
	<< "In HadronSelector::lightestHadron()"
	<< Exception::eventerror;
	if(tit->second.empty())
	throw Exception() << "HadronSelector::lightestHadron "
	<< "could not find any hadrons containing "
	<< ptr1->id() << ' ' << ptr2->id() << '\n'
	<< tit->first.first << ' '
	<< tit->first.second << Exception::eventerror;
	// find the lightest hadron
	int sign = signHadron(ptr1,ptr2,tit->second.begin()->ptrData);
	tcPDPtr candidate = sign > 0 ?
	tit->second.begin()->ptrData : tit->second.begin()->ptrData->CC();
	// \todo 20 GeV limit is temporary fudge to let SM particles go through.
	// \todo Use isExotic instead?
	if (candidate->mass() > 20*GeV
	&& candidate->mass() < ptr1->constituentMass() + ptr2->constituentMass()) {
	generator()->log() << "HadronSelector::lightestHadron: "
	<< "chosen candidate " << candidate->PDGName()
	<< " is lighter than its constituents "
	<< ptr1->PDGName() << ", " << ptr2->PDGName() << '\n'
	<< candidate->mass()/GeV << " < " << ptr1->constituentMass()/GeV
	<< " + " << ptr2->constituentMass()/GeV << '\n'
	<< "Check your particle data tables.\n";
	assert(false);
	}
	return candidate;
	}

	vector<pair<tcPDPtr,double> >
	HadronSelector::hadronsBelowThreshold(Energy threshold, tcPDPtr ptr1,
	tcPDPtr ptr2,
	#ifndef NDEBUG
	tcPDPtr ptr3) const {
	#else
	tcPDPtr ) const {
	#endif
	// The method assumes ptr3 == 0 rest not implemented
	assert(ptr1 && ptr2 && !ptr3);
	// find entry in the table
	pair<long,long> ids = make_pair(abs(ptr1->id()),abs(ptr2->id()));
	HadronTable::const_iterator tit=_table.find(ids);
	// throw exception if flavours wrong
	if (tit==_table.end())
	throw Exception() << "Could not find "
	<< ids.first << ' ' << ids.second
	<< " in _table. "
	<< "In HadronSelector::hadronsBelowThreshold()"
	<< Exception::eventerror;
	if(tit->second.empty())
	throw Exception() << "HadronSelector::hadronsBelowThreshold() "
	<< "could not find any hadrons containing "
	<< ptr1->id() << ' ' << ptr2->id() << '\n'
	<< tit->first.first << ' '
	<< tit->first.second << Exception::eventerror;
	vector<pair<tcPDPtr,double> > candidates;
	KupcoData::const_iterator hit = tit->second.begin();
	// find the hadrons
	while(hit!=tit->second.end()&&hit->mass<threshold) {
	// find the hadron
	int sign = signHadron(ptr1,ptr2,hit->ptrData);
	tcPDPtr candidate = sign > 0 ? hit->ptrData : hit->ptrData->CC();
	// \todo 20 GeV limit is temporary fudge to let SM particles go through.
	// \todo Use isExotic instead?
	if (candidate->mass() > 20*GeV
	&& candidate->mass() < ptr1->constituentMass() + ptr2->constituentMass()) {
	generator()->log() << "HadronSelector::hadronsBelowTheshold: "
	<< "chosen candidate " << candidate->PDGName()
	<< " is lighter than its constituents "
	<< ptr1->PDGName() << ", " << ptr2->PDGName() << '\n'
	<< candidate->mass()/GeV << " < " << ptr1->constituentMass()/GeV
	<< " + " << ptr2->constituentMass()/GeV << '\n'
	<< "Check your particle data tables.\n";
	assert(false);
	}
	candidates.push_back(make_pair(candidate,hit->overallWeight));
	++hit;
	}
	return candidates;
	}


	tcPDPtr HadronSelector::chooseSingleHadron(tcPDPtr par1, tcPDPtr par2,
	Energy mass) const {
	// Determine the sum of the nominal masses of the two lightest hadrons
	// with the right flavour numbers as the cluster under consideration.
	// Notice that we don't need real masses (drawn by a Breit-Wigner
	// distribution) because the lightest pair of hadrons does not involve
	// any broad resonance.
	Energy threshold = massLightestHadronPair(par1,par2);
	// Special: it allows one-hadron decays also above threshold.
	if (CheckId::isExotic(par1,par2))
	threshold = (1.0 + UseRandom::rnd()_limExotic);
	else if (CheckId::hasBottom(par1,par2))
	threshold = (1.0 + UseRandom::rnd()_limBottom);
	else if (CheckId::hasCharm(par1,par2))
	threshold = (1.0 + UseRandom::rnd()_limCharm);

	// only do one hadron decay is mass less than the threshold
	if(mass>=threshold) return tcPDPtr();

	// select the hadron
	tcPDPtr hadron;
	// old option pick the lightest hadron
	if(belowThreshold_ == 0) {
	hadron= lightestHadron(par1,par2);
	}
	// new option select from those available
	else if(belowThreshold_ == 1) {
	vector<pair<tcPDPtr,double> > hadrons =
	hadronsBelowThreshold(threshold,par1,par2);
	if(hadrons.size()==1) {
	hadron = hadrons[0].first;
	}
	else if(hadrons.empty()) {
	hadron= lightestHadron(par1,par2);
	}
	else {
	double totalWeight=0.;
	for(unsigned int ix=0;ix<hadrons.size();++ix) {
	totalWeight += hadrons[ix].second;
	}
	totalWeight *= UseRandom::rnd();
	for(unsigned int ix=0;ix<hadrons.size();++ix) {
	if(totalWeight<=hadrons[ix].second) {
	hadron = hadrons[ix].first;
	break;
	}
	else
	totalWeight -= hadrons[ix].second;
	}
	assert(hadron);
	}
	}
	else
	assert(false);
	return hadron;
	}
	diff --git a/src/defaults/Hadronization.in b/src/defaults/Hadronization.in
	--- a/src/defaults/Hadronization.in
	+++ b/src/defaults/Hadronization.in
	@@ -1,102 +1,102 @@
	# -- ThePEG-repository --

	############################################################
	# Setup of default hadronization
	#
	# There are no user servicable parts inside.
	#
	# Anything that follows below should only be touched if you
	# know what you're doing.
	#############################################################

	cd /Herwig/Particles
	create ThePEG::ParticleData Cluster
	setup Cluster 81 Cluster 0.00990 0.0 0.0 0.0 0 0 0 1
	create ThePEG::ParticleData Remnant
	setup Remnant 82 Remnant 0.00990 0.0 0.0 0.0 0 0 0 1

	mkdir /Herwig/Hadronization
	cd /Herwig/Hadronization

	create Herwig::ClusterHadronizationHandler ClusterHadHandler
	create Herwig::PartonSplitter PartonSplitter
	create Herwig::ClusterFinder ClusterFinder
	create Herwig::ColourReconnector ColourReconnector
	create Herwig::ClusterFissioner ClusterFissioner
	create Herwig::LightClusterDecayer LightClusterDecayer
	create Herwig::ClusterDecayer ClusterDecayer
	create Herwig::HwppSelector HadronSelector

	newdef ClusterHadHandler:PartonSplitter PartonSplitter
	newdef ClusterHadHandler:ClusterFinder ClusterFinder
	newdef ClusterHadHandler:ColourReconnector ColourReconnector
	newdef ClusterHadHandler:ClusterFissioner ClusterFissioner
	newdef ClusterHadHandler:LightClusterDecayer LightClusterDecayer
	newdef ClusterHadHandler:ClusterDecayer ClusterDecayer
	newdef ClusterHadHandler:MinVirtuality2 0.1*GeV2
	newdef ClusterHadHandler:MaxDisplacement 1.0e-10*millimeter
	newdef ClusterHadHandler:UnderlyingEventHandler NULL

	newdef ClusterFissioner:HadronSelector HadronSelector
	newdef LightClusterDecayer:HadronSelector HadronSelector
	newdef ClusterDecayer:HadronSelector HadronSelector

	newdef ColourReconnector:ColourReconnection Yes
	newdef ColourReconnector:ReconnectionProbabilityBaryonic 0.7
	newdef ColourReconnector:ReconnectionProbability 0.95
	newdef ColourReconnector:Algorithm Baryonic
	newdef ColourReconnector:OctetTreatment All

	# Clustering parameters for light quarks
	newdef ClusterFissioner:ClMaxLight 3.649
	newdef ClusterFissioner:ClPowLight 2.780
	newdef ClusterFissioner:PSplitLight 0.899
	newdef ClusterDecayer:ClDirLight 1
	newdef ClusterDecayer:ClSmrLight 0.78

	# Clustering parameters for b-quarks
	newdef ClusterFissioner:ClMaxBottom 3.757
	newdef ClusterFissioner:ClPowBottom 0.547
	newdef ClusterFissioner:PSplitBottom 0.625
	newdef ClusterDecayer:ClDirBottom 1
	newdef ClusterDecayer:ClSmrBottom 0.078
	newdef HadronSelector:SingleHadronLimitBottom 0.000

	# Clustering parameters for c-quarks
	newdef ClusterFissioner:ClMaxCharm 3.950
	newdef ClusterFissioner:ClPowCharm 2.559
	newdef ClusterFissioner:PSplitCharm 0.994
	newdef ClusterDecayer:ClDirCharm 1
	newdef ClusterDecayer:ClSmrCharm 0.163
	newdef HadronSelector:SingleHadronLimitCharm 0.000

	# Clustering parameters for exotic quarks
	# (e.g. hadronizing Susy particles)
	newdef ClusterFissioner:ClMaxExotic 2.7*GeV
	newdef ClusterFissioner:ClPowExotic 1.46
	newdef ClusterFissioner:PSplitExotic 1.00
	newdef ClusterDecayer:ClDirExotic 1
	newdef ClusterDecayer:ClSmrExotic 0.
	newdef HadronSelector:SingleHadronLimitExotic 0.

	#
	newdef PartonSplitter:SplitPwtSquark 0.824135
	newdef PartonSplitter:Split uds

	#
	newdef HadronSelector:PwtDquark 1.0
	newdef HadronSelector:PwtUquark 1.0
	newdef HadronSelector:PwtSquark 0.291717
	newdef HadronSelector:PwtCquark 0.0
	newdef HadronSelector:PwtBquark 0.0
	newdef HadronSelector:PwtDIquarkS0 0.2
	newdef HadronSelector:PwtDIquarkS1 0.1
	-newdef HadronSelector:SngWt 1.
	-newdef HadronSelector:OctWt 1.
	-newdef HadronSelector:DecWt 1.
	+newdef HadronSelector:SngWt 0.75
	+newdef HadronSelector:OctWt 0.60
	+newdef HadronSelector:DecWt 0.50
	newdef HadronSelector:Mode 1
	newdef HadronSelector:BelowThreshold All
	newdef HadronSelector:scHadronWtFactor 2.5
	newdef HadronSelector:sbHadronWtFactor 2.5

	create Herwig::SpinHadronizer SpinHadronizer

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