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	diff --git a/Shower/QTilde/Couplings/ShowerAlphaQCDNP.cc b/Shower/QTilde/Couplings/ShowerAlphaQCDNP.cc
	deleted file mode 100644
	--- a/Shower/QTilde/Couplings/ShowerAlphaQCDNP.cc
	+++ /dev/null
	@@ -1,422 +0,0 @@
	-// -- C++ --
	-//
	-// ShowerAlphaQCDNP.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 ShowerAlphaQCDNP class.
	-//
	-#include "ShowerAlphaQCDNP.h"
	-#include "ThePEG/PDT/ParticleData.h"
	-#include "ThePEG/Interface/ClassDocumentation.h"
	-#include "ThePEG/Interface/Switch.h"
	-#include "ThePEG/Interface/Parameter.h"
	-#include "ThePEG/Interface/ParVector.h"
	-#include "ThePEG/Interface/Command.h"
	-#include "ThePEG/Interface/Deleted.h"
	-#include "ThePEG/Persistency/PersistentOStream.h"
	-#include "ThePEG/Persistency/PersistentIStream.h"
	-#include "ThePEG/Utilities/Throw.h"
	-#include "ThePEG/Utilities/DescribeClass.h"
	-#include "ThePEG/Config/Constants.h"
	-#include "Herwig/Utilities/AlphaS.h"
	-#include "gsl/gsl_sf_lambert.h"
	-
	-using namespace Herwig;
	-using Herwig::Math::alphaS;
	-using Herwig::Math::derivativeAlphaS;
	-
	-DescribeClass<ShowerAlphaQCDNP,ShowerAlpha>
	-describeShowerAlphaQCDNP("Herwig::ShowerAlphaQCDNP","HwShower.so");
	-
	-IBPtr ShowerAlphaQCDNP::clone() const {
	- return new_ptr(*this);
	-}
	-
	-IBPtr ShowerAlphaQCDNP::fullclone() const {
	- return new_ptr(*this);
	-}
	-
	-void ShowerAlphaQCDNP::persistentOutput(PersistentOStream & os) const {
	- os << ounit(_qmin,GeV) << _asMaxNP << _nfMaxNP
	- << ounit(_thresholds,GeV) << ounit(_lambda,GeV)
	- << _nloop << _thresopt
	- << _alphain << _tolerance << _maxtry
	- << _npPower << ounit(_optInputScale,GeV) << _quarkBranching
	- << ounit(_quarkMasses,GeV);
	-}
	-
	-void ShowerAlphaQCDNP::persistentInput(PersistentIStream & is, int) {
	- is >> iunit(_qmin,GeV) >> _asMaxNP >> _nfMaxNP
	- >> iunit(_thresholds,GeV) >> iunit(_lambda,GeV)
	- >> _nloop >> _thresopt
	- >> _alphain >> _tolerance >> _maxtry
	- >> _npPower >> iunit(_optInputScale,GeV) >> _quarkBranching
	- >> iunit(_quarkMasses,GeV);
	-}
	-
	-void ShowerAlphaQCDNP::Init() {
	-
	- static ClassDocumentation<ShowerAlphaQCDNP> documentation
	- ("This (concrete) class describes the QCD alpha running.");
	-
	- // default such that as(qmin) = 1 in the current parametrization.
	- static Parameter<ShowerAlphaQCDNP,Energy> interfaceQmin
	- ("Qmin", "Q < Qmin is treated with NP parametrization as of (unit [GeV])",
	- &ShowerAlphaQCDNP::_qmin, GeV, 1GeV, 0GeV,
	- 100.0*GeV,false,false,false);
	-
	- static Parameter<ShowerAlphaQCDNP,unsigned int> interfaceNumberOfLoops
	- ("NumberOfLoops",
	- "The number of loops to use in the alpha_S calculation",
	- &ShowerAlphaQCDNP::_nloop, 3, 1, 3,
	- false, false, Interface::limited);
	-
	- static Parameter<ShowerAlphaQCDNP,double> interfaceAlphaMZ
	- ("AlphaIn",
	- "The input value of the strong coupling at the chosen InputScale (default: MZ)",
	- &ShowerAlphaQCDNP::_alphain, 0.118, 0.1, 0.2,
	- false, false, Interface::limited);
	-
	- static Parameter<ShowerAlphaQCDNP,double> interfaceTolerance
	- ("Tolerance",
	- "The tolerance for discontinuities in alphaS at thresholds.",
	- &ShowerAlphaQCDNP::_tolerance, 1e-10, 1e-20, 1e-4,
	- false, false, Interface::limited);
	-
	- static Parameter<ShowerAlphaQCDNP,unsigned int> interfaceMaximumIterations
	- ("MaximumIterations",
	- "The maximum number of iterations for the Newton-Raphson method to converge.",
	- &ShowerAlphaQCDNP::_maxtry, 100, 10, 1000,
	- false, false, Interface::limited);
	-
	- static Switch<ShowerAlphaQCDNP,bool> interfaceThresholdOption
	- ("ThresholdOption",
	- "Whether to use the consistuent or normal masses for the thresholds",
	- &ShowerAlphaQCDNP::_thresopt, true, false, false);
	- static SwitchOption interfaceThresholdOptionCurrent
	- (interfaceThresholdOption,
	- "Current",
	- "Use the current masses",
	- true);
	- static SwitchOption interfaceThresholdOptionConstituent
	- (interfaceThresholdOption,
	- "Constituent",
	- "Use the constitent masses.",
	- false);
	-
	- static Command<ShowerAlphaQCDNP> interfaceValue
	- ("Value",
	- "",
	- &ShowerAlphaQCDNP::value, false);
	-
	- static Command<ShowerAlphaQCDNP> interfacecheck
	- ("check",
	- "check",
	- &ShowerAlphaQCDNP::check, false);
	-
	- static Command<ShowerAlphaQCDNP> interfacecheckNf
	- ("checkNf",
	- "checkNf",
	- &ShowerAlphaQCDNP::checkNf, false);
	-
	- static Command<ShowerAlphaQCDNP> interfacecheckscaleNP
	- ("checkscaleNP",
	- "checkscaleNP",
	- &ShowerAlphaQCDNP::checkscaleNP, false);
	-
	- static Parameter<ShowerAlphaQCDNP,Energy> interfaceInputScale
	- ("InputScale",
	- "An optional input scale. MZ will be used if not set.",
	- &ShowerAlphaQCDNP::_optInputScale, GeV, 91.1876_GeV, ZERO, 0*GeV,
	- false, false, Interface::lowerlim);
	-
	- static ParVector<ShowerAlphaQCDNP,Energy> interfaceQuarkMasses
	- ("QuarkMasses",
	- "The quark masses to be used instead of the masses set in the particle data.",
	- &ShowerAlphaQCDNP::_quarkMasses, GeV, -1, 0.0GeV, 0.0GeV, 0*GeV,
	- false, false, Interface::lowerlim);
	-
	-
	- static Switch<ShowerAlphaQCDNP,bool> interfaceQuarkBranching
	- ("QuarkBranching",
	- "True, if this coupling is used in a gluon to qqbar branching.",
	- &ShowerAlphaQCDNP::_quarkBranching, false, false, false);
	- static SwitchOption interfaceQuarkBranchingYes
	- (interfaceQuarkBranching,
	- "Yes",
	- "Use in gluon to qqbar branching.",
	- true);
	- static SwitchOption interfaceQuarkBranchingNo
	- (interfaceQuarkBranching,
	- "No",
	- "Use in gluon emission.",
	- false);
	-
	- static Parameter<ShowerAlphaQCDNP,double> interfaceNPPower
	- ("NPPower",
	- "The non-perturbative power law",
	- &ShowerAlphaQCDNP::_npPower, 2.0, 1.0, 10.,
	- false, false, false);
	-
	-
	-}
	-
	-void ShowerAlphaQCDNP::doinit() {
	- ShowerAlpha::doinit();
	- // calculate the value of 5-flavour lambda
	- // evaluate the initial
	- // value of Lambda from alphas if needed using Newton-Raphson
	- _lambda[2]=computeLambda(_optInputScale,_alphain,5);
	-
	- // compute the threshold matching
	- // top threshold
	- for(int ix=1;ix<4;++ix) {
	- if ( _quarkMasses.empty() ) {
	- if(_thresopt)
	- _thresholds[ix]=getParticleData(ix+3)->mass();
	- else
	- _thresholds[ix]=getParticleData(ix+3)->constituentMass();
	- } else {
	- // starting at zero rather than one, cf the other alphas's
	- _thresholds[ix] = _quarkMasses[ix+2];
	- }
	- }
	- // compute 6 flavour lambda by matching at top mass using Newton Raphson
	- _lambda[3]=computeLambda(_thresholds[3],alphaS(_thresholds[3],_lambda[2],5,_nloop),6);
	- // bottom threshold
	- // compute 4 flavour lambda by matching at bottom mass using Newton Raphson
	- _lambda[1]=computeLambda(_thresholds[2],alphaS(_thresholds[2],_lambda[2],5,_nloop),4);
	- // charm threshold
	- // compute 3 flavour lambda by matching at charm mass using Newton Raphson
	- _lambda[0]=computeLambda(_thresholds[1],alphaS(_thresholds[1],_lambda[1],4,_nloop),3);
	-
	- //Energy q = scaleNPMin();
	- //auto nflam = getLamNf(q);
	- //_asMaxNP = alphaS(q, nflam.second, nflam.first, _nloop);
	-
	- Energy q = scaleThatmMinimizesScaleNP() ;
	- _asMaxNP = value(qq)1.05;
	-
	- //_absoluteCutoff=_qminpow(100.log(10.),-1./_npPower);
	- _absoluteCutoff=_qminpow(log(10e100GeV/_qmin),-1./_npPower);
	-
	- _nfMaxNP = nfNP(sqr(_absoluteCutoff));
	-
	-}
	-
	-string ShowerAlphaQCDNP::check(string args) {
	-
	- doinit();
	-
	- istringstream argin(args);
	-
	- double Q_low, Q_high;
	- long n_steps;
	-
	- argin >> Q_low >> Q_high >> n_steps;
	-
	- string fname;
	- argin >> fname;
	-
	- Repository::clog() << "checking alpha_s in range [" << Q_low << "," << Q_high << "] GeV in "
	- << n_steps << " steps.\nResults are written to " << fname << "\n";
	-
	- double step_width = (Q_high-Q_low)/n_steps;
	-
	- ofstream out (fname.c_str());
	-
	- for (long k = 0; k <= n_steps; ++k) {
	-
	- Energy Q = Q_lowGeV + kstep_width*GeV;
	-
	- //out << (Q/GeV) << " " << value(Q*Q) << " " << _asMaxNP << "\n";
	- out << (Q/GeV) << " " << value(Q*Q) << "\n";
	-
	-
	- }
	-
	- return "alpha_s check finished";
	-
	-}
	-
	-string ShowerAlphaQCDNP::checkNf(string args) {
	-
	- doinit();
	-
	- istringstream argin(args);
	-
	- double Q_low, Q_high;
	- long n_steps;
	-
	- argin >> Q_low >> Q_high >> n_steps;
	-
	- string fname;
	- argin >> fname;
	-
	- Repository::clog() << "checking nfNP in range [" << Q_low << "," << Q_high << "] GeV in "
	- << n_steps << " steps.\nResults are written to " << fname << "\n";
	-
	- double step_width = (Q_high-Q_low)/n_steps;
	-
	- ofstream out (fname.c_str());
	-
	- for (long k = 0; k <= n_steps; ++k) {
	-
	- Energy Q = Q_lowGeV + kstep_width*GeV;
	-
	- //out << (Q/GeV) << " " << nfNP(Q*Q) << " " << _nfMaxNP << "\n";
	- out << (Q/GeV) << " " << nfNP(Q*Q) << "\n";
	-
	- }
	-
	- return "nfNP check finished";
	-
	-}
	-
	-
	-
	-string ShowerAlphaQCDNP::checkscaleNP(string args) {
	-
	- doinit();
	-
	- istringstream argin(args);
	-
	- double Q_low, Q_high;
	- long n_steps;
	-
	- argin >> Q_low >> Q_high >> n_steps;
	-
	- string fname;
	- argin >> fname;
	-
	- Repository::clog() << "checking scaleNP (in GeV) in range [" << Q_low << "," << Q_high << "] GeV in "
	- << n_steps << " steps.\nResults are written to " << fname << "\n";
	-
	- double step_width = (Q_high-Q_low)/n_steps;
	-
	- ofstream out (fname.c_str());
	-
	- for (long k = 0; k <= n_steps; ++k) {
	-
	- Energy Q = Q_lowGeV + kstep_width*GeV;
	-
	- out << (Q/GeV) << " " << scaleNP(scaleFactor()Q)/(1.GeV) << "\n";
	-
	- }
	-
	- return "scaleNP check finished";
	-
	-}
	-
	-
	-double ShowerAlphaQCDNP::value(const Energy2 scale) const {
	-
	- Energy q = scaleFactor()*sqrt(scale);
	-
	- if (q<_absoluteCutoff){
	- auto nflam = getLamNf(_absoluteCutoff);
	- double as = alphaS(scaleNP(_absoluteCutoff), nflam.second, nflam.first, _nloop);
	- return as*pow(q/_absoluteCutoff,_npPower);
	- } else {
	- auto nflam = getLamNf(q);
	- return alphaS(scaleNP(q), nflam.second, nflam.first, _nloop);
	- }
	-
	-
	-}
	-
	-
	-string ShowerAlphaQCDNP::value(string scale) {
	- istringstream readscale(scale);
	- double inScale; readscale >> inScale;
	- Energy theScale = inScale * GeV;
	- initialize();
	- ostringstream showvalue ("");
	- showvalue << "alpha_s (" << theScale/GeV << " GeV) = "
	- << value (sqr(theScale));
	- return showvalue.str();
	-}
	-
	-pair<short, Energy> ShowerAlphaQCDNP::getLamNf(Energy q) const {
	- short nf = 6;
	- // get lambda and nf according to the thresholds
	- if (q < _thresholds[1]) nf = 3;
	- else if (q < _thresholds[2]) nf = 4;
	- else if (q < _thresholds[3]) nf = 5;
	- return pair<short,Energy>(nf, _lambda[nf-3]);
	-}
	-
	-Energy ShowerAlphaQCDNP::computeLambda(Energy match,
	- double alpha,
	- unsigned int nflav) const {
	-
	- Energy lamtest=200.0*MeV;
	- double xtest;
	- unsigned int ntry=0;
	- do {
	- ++ntry;
	- xtest = log(sqr(match/lamtest));
	- xtest += (alpha-alphaS(match,lamtest,nflav,_nloop))/derivativeAlphaS(match,lamtest,nflav,_nloop);
	- Energy newLambda = match/exp(0.5 *xtest);
	- lamtest = newLambda<match ? newLambda : 0.5*(lamtest+match);
	- }
	- while(abs(alpha-alphaS(match,lamtest,nflav,_nloop)) > _tolerance && ntry < _maxtry);
	- return lamtest;
	-
	-}
	-
	-// --------------------------------------------------------------------------------
	-// main modification for nonperturbative running in terms of changed argument and
	-// nonperturbative number of flavours
	-// --------------------------------------------------------------------------------
	-
	-double ShowerAlphaQCDNP::nfNP(const Energy2 q2) const {
	- Energy q=sqrt(q2);
	-
	- if (q<_absoluteCutoff){
	- return nfNP(_absoluteCutoff_absoluteCutoff)pow(_absoluteCutoff/q,_npPower);
	- }
	- else{
	-
	- //get p-nf
	- double nf=getLamNf(q).first;
	-
	- //beta function coefficients; b=sum_i (alphaS/(4Pi))^i * sum_j b_ij *nf^j
	- using Constants::pi;
	- double b00 = 11.;
	- double b01 = - 2./3.;
	- double b10 = 51.;
	- double b11 = - 19./3.;
	- double c = (b00+b10value(q2)/(4.pi))/(b01+b11value(q2)/(4.pi));
	-
	- //absolute number of np-flavors
	- double nfNPabs=(c+nf)(qscaleNPDerivative(q)/scaleNP(q))-c;
	-
	- //return ratio of np-flavors over p-flavors
	- return nfNPabs/nf;
	- }
	-}
	-
	-Energy ShowerAlphaQCDNP::scaleNP(const Energy q) const {
	- return q(1.+(_qmin/q)(exp(pow(_qmin/q,_npPower))-1.));
	-}
	-
	-double ShowerAlphaQCDNP::scaleNPDerivative(const Energy q) const {
	- return 1.-exp(pow(_qmin/q,_npPower))_npPowerpow(_qmin/q,1.+_npPower);
	-}
	-
	-Energy ShowerAlphaQCDNP::scaleThatmMinimizesScaleNP() const {
	- double x=(1./_npPower)*gsl_sf_lambert_W0(pow(_npPower,1./(1.+_npPower))/(1.+_npPower));
	- return _qminexp(x)pow(_npPower,1./(1.+_npPower));
	-
	-}
	-
	-Energy ShowerAlphaQCDNP::scaleNPMin() const {
	- double x=((1.+_npPower)/_npPower)*gsl_sf_lambert_W0(pow(_npPower,1./(1.+_npPower))/(1.+_npPower));
	- return _qmin*(-1.+exp(x)+pow(x,-1./_npPower));
	-}
	diff --git a/Shower/QTilde/Couplings/ShowerAlphaQCDNP.h b/Shower/QTilde/Couplings/ShowerAlphaQCDNP.h
	deleted file mode 100644
	--- a/Shower/QTilde/Couplings/ShowerAlphaQCDNP.h
	+++ /dev/null
	@@ -1,382 +0,0 @@
	-// -- C++ --
	-//
	-// ShowerAlphaQCDNP.h 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.
	-//
	-#ifndef HERWIG_ShowerAlphaQCDNP_H
	-#define HERWIG_ShowerAlphaQCDNP_H
	-//
	-// This is the declaration of the ShowerAlphaQCDNP class.
	-//
	-
	-#include "Herwig/Shower/ShowerAlpha.h"
	-
	-namespace Herwig {
	-
	-using namespace ThePEG;
	-
	-/** \ingroup Shower
	- *
	- * This concrete class provides the definition of the
	- * pure virtual function value() and overestimateValue() for the
	- * strong coupling.
	- *
	- * A number of different options for the running of the coupling
	- * and its initial definition are supported.
	- *
	- * @see \ref ShowerAlphaQCDNPInterfaces "The interfaces"
	- * defined for ShowerAlphaQCDNP.
	- */
	-class ShowerAlphaQCDNP: public ShowerAlpha {
	-
	-public:
	-
	- /**
	- * The default constructor.
	- */
	- ShowerAlphaQCDNP() :
	- ShowerAlpha(),
	- _qmin(1*GeV), _asMaxNP(1.0), _nfMaxNP(15.0),
	- _thresholds(4), _lambda(4),
	- _nloop(2), _thresopt(false),
	- _alphain(0.118), _tolerance(1e-10),
	- _maxtry(100),
	- _npPower(2.), _optInputScale(91.1876_GeV),
	- _quarkBranching(false) {}
	-
	-public:
	-
	- /**
	- * Methods to return the coupling
	- */
	- //@{
	- /**
	- * It returns the running coupling value evaluated at the input scale
	- * multiplied by the scale factor scaleFactor().
	- * @param scale The scale
	- * @return The coupling
	- */
	- virtual double value(const Energy2 scale) const;
	-
	- /**
	- * Virtual method that is supposed to return the
	- * running alpha value evaluated at the input scale.
	- * @param scale The scale
	- * @return The coupling
	- */
	- virtual double showerValue(const Energy2 scale) const {
	- if ( !_quarkBranching ) {
	- return value(scale);
	- }
	- return nfNP(scale)*value(scale);
	- }
	-
	- /**
	- * It returns the running coupling value evaluated at the input scale
	- * multiplied by the scale factor scaleFactor().
	- */
	- virtual double overestimateValue() const {
	- return _asMaxNP;
	- }
	-
	- /**
	- * Virtual method, which
	- * should be overridden in a derived class to provide an
	- * overestimate approximation of the alpha value.
	- */
	- virtual double showerOverestimateValue() const {
	- if ( !_quarkBranching ) {
	- return overestimateValue();
	- }
	- return overestimateNfNP()*overestimateValue();
	- }
	-
	- /**
	- * Return the ratio of the coupling at the scale to the overestimated value
	- */
	- virtual double ratio(const Energy2 scale,double factor =1.) const {
	- Energy2 q2 = sqr(factor)*scale;
	- return value(q2)/overestimateValue();
	- }
	-
	- /**
	- * Virtual method which returns the ratio of the running alpha
	- * value at the input scale to the overestimated value.
	- * @param scale The scale
	- * @return The ratio
	- */
	- virtual double showerRatio(const Energy2 scale,double factor=1.) const {
	-
	- if ( !_quarkBranching ) {
	- return ratio(scale,factor);
	- }
	- return ratioNfNP(scale,factor)*ratio(scale,factor);
	- }
	-
	- /**
	- * Initialize this coupling.
	- */
	- virtual void initialize() { doinit(); }
	-
	- /**
	- * A command to initialize the coupling and write
	- * its value at the scale given by the argument (in GeV)
	- */
	- string value(string);
	-
	- /**
	- * Match thresholds and write alpha_s
	- * specified file; arguments are
	- * Q_low/GeV Q_high/GeV n_steps filename
	- */
	- string check(string args);
	-
	- /**
	- * Match thresholds and write alpha_s
	- * specified file; arguments are
	- * Q_low/GeV Q_high/GeV n_steps filename
	- */
	- string checkNf(string args);
	-
	- string checkscaleNP(string args);
	-
	- //@}
	-
	- /**
	- * Get the value of \f$\Lambda_{\rm QCd}\f$
	- * @param nf number of flavours
	- */
	- Energy lambdaQCD(unsigned int nf) {
	- if (nf <= 3) return _lambda[0];
	- else if (nf==4 \|\| nf==5) return _lambda[nf-3];
	- else return _lambda[3];
	- }
	-
	- /**
	- * Return the quark masses to be used; if not empty these masses
	- * should be considered instead of the ones set in the particle data
	- * objects.
	- */
	- const vector<Energy>& quarkMasses() const { return _quarkMasses; }
	-
	- /**
	- * Return the non-perturbative running flavour number, normalized to
	- * the number of active flavours.
	- */
	- double nfNP(const Energy2 scale) const;
	-
	- /**
	- * Return the modification of the scale argument
	- */
	- Energy scaleNP(const Energy scale) const;
	-
	- /**
	- * Return the the derivative of scaleNP
	- */
	- double scaleNPDerivative(const Energy scale) const;
	-
	- /**
	- * Return the minimum of the modification of the scale argument
	- */
	- Energy scaleNPMin() const;
	-
	-
	- /**
	- * Return the scale q that minimizes scaleNP (i.e. scaleNP(q)=scaleNPMin() )
	- */
	- Energy scaleThatmMinimizesScaleNP() const;
	-
	- /**
	- * Return the maximum of the non-perturbative running flavour number
	- * normalized to the number of perturbatively active flavours.
	- */
	- double overestimateNfNP() const {
	- return _nfMaxNP;
	- }
	-
	- /**
	- * Return ration to the maximum of the non-perturbative running
	- * flavour number normalized to the number of perturbatively active
	- * flavours.
	- */
	- double ratioNfNP(const Energy2 scale,double factor=1.) const {
	- Energy2 q2 = sqr(factor)*scale;
	- return nfNP(q2)/overestimateNfNP();
	- }
	-
	-public:
	-
	- /** @name Functions used by the persistent I/O system. */
	- //@{
	- /**
	- * Function used to write out object persistently.
	- * @param os the persistent output stream written to.
	- */
	- void persistentOutput(PersistentOStream & os) const;
	-
	- /**
	- * Function used to read in object persistently.
	- * @param is the persistent input stream read from.
	- * @param version the version number of the object when written.
	- */
	- void persistentInput(PersistentIStream & is, int version);
	- //@}
	-
	- /**
	- * The standard Init function used to initialize the interfaces.
	- * Called exactly once for each class by the class description system
	- * before the main function starts or
	- * when this class is dynamically loaded.
	- */
	- static void Init();
	-
	-protected:
	-
	- /** @name Clone Methods. */
	- //@{
	- /**
	- * Make a simple clone of this object.
	- * @return a pointer to the new object.
	- */
	- virtual IBPtr clone() const;
	-
	- /** Make a clone of this object, possibly modifying the cloned object
	- * to make it sane.
	- * @return a pointer to the new object.
	- */
	- virtual IBPtr fullclone() const;
	- //@}
	-
	-
	-protected:
	-
	- /** @name Standard Interfaced functions. */
	- //@{
	- /**
	- * Initialize this object after the setup phase before saving an
	- * EventGenerator to disk.
	- * @throws InitException if object could not be initialized properly.
	- */
	- virtual void doinit();
	- //@}
	-
	-private:
	-
	- /**
	- * Member functions which calculate the coupling
	- */
	- //@{
	- /**
	- * Compute the value of \f$Lambda\f$ needed to get the input value of
	- * the strong coupling at the scale given for the given number of flavours
	- * using the Newton-Raphson method
	- * @param match The scale for the coupling
	- * @param alpha The input coupling
	- * @param nflav The number of flavours
	- */
	- Energy computeLambda(Energy match, double alpha, unsigned int nflav) const;
	-
	- /**
	- * Return the value of \f$\Lambda\f$ and the number of flavours at the scale.
	- * @param q The scale
	- * @return The number of flavours at the scale and \f$\Lambda\f$.
	- */
	- pair<short, Energy> getLamNf(Energy q) const;
	- //@}
	-
	-private:
	-
	- /**
	- * The assignment operator is private and must never be called.
	- * In fact, it should not even be implemented.
	- */
	- ShowerAlphaQCDNP & operator=(const ShowerAlphaQCDNP &) = delete;
	-
	-private:
	-
	- /**
	- * Transition value
	- */
	- Energy _qmin;
	-
	- /**
	- * Maximum value of alphas
	- */
	- double _asMaxNP;
	-
	- /**
	- * Maximum of non-perturbative flavour number
	- */
	- double _nfMaxNP;
	-
	- /**
	- * Thresholds for the different number of flavours
	- */
	- vector<Energy> _thresholds;
	-
	- /**
	- * \f$\Lambda\f$ for the different number of flavours
	- */
	- vector<Energy> _lambda;
	-
	- /**
	- * Option for the number of loops
	- */
	- unsigned int _nloop;
	-
	- /**
	- * Option for the threshold masses
	- */
	- bool _thresopt;
	-
	- /**
	- * Input value of \f$alpha_S(M_Z)\f$
	- */
	- double _alphain;
	-
	- /**
	- * Tolerance for discontinuities at the thresholds
	- */
	- double _tolerance;
	-
	- /**
	- * Maximum number of iterations for the Newton-Raphson method to converge
	- */
	- unsigned int _maxtry;
	-
	-
	- /**
	- * Power of non-perturbative modification
	- */
	- double _npPower;
	-
	- /**
	- * Lowest cutoff scale
	- */
	- Energy _absoluteCutoff;
	-
	- /**
	- * An optional input scale to be used for the input alphas; if zero MZ will
	- * be used out of the particle data object.
	- */
	- Energy _optInputScale;
	-
	- /**
	- * Flag if factor for quark branching should be included
	- */
	- bool _quarkBranching;
	-
	- /**
	- * The quark masses to be used; if not empty these masses should be
	- * considered instead of the ones set in the particle data objects.
	- */
	- vector<Energy> _quarkMasses;
	-
	-};
	-
	-}
	-
	-#endif /* HERWIG_ShowerAlphaQCDNP_H */
	diff --git a/Shower/QTilde/Makefile.am b/Shower/QTilde/Makefile.am
	--- a/Shower/QTilde/Makefile.am
	+++ b/Shower/QTilde/Makefile.am
	@@ -1,56 +1,55 @@
	SUBDIRS = Matching SplittingFunctions/Onium SplittingFunctions/Dark
	pkglib_LTLIBRARIES = HwShower.la
	HwShower_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 30:0:0
	HwShower_la_SOURCES = \
	Couplings/ShowerAlphaQCD.h Couplings/ShowerAlphaQCD.cc \
	Couplings/ShowerAlphaQED.h Couplings/ShowerAlphaQED.cc\
	-Couplings/ShowerAlphaQCDNP.h Couplings/ShowerAlphaQCDNP.cc\
	Couplings/HiddenValleyAlpha.cc Couplings/HiddenValleyAlpha.h \
	QTildeShowerHandler.h QTildeShowerHandler.fh QTildeShowerHandler.cc \
	SplittingFunctions/HalfHalfOneSplitFn.h SplittingFunctions/HalfHalfOneSplitFn.cc\
	SplittingFunctions/HalfHalfOneEWSplitFn.h SplittingFunctions/HalfHalfOneEWSplitFn.cc\
	SplittingFunctions/HalfHalfZeroEWSplitFn.h SplittingFunctions/HalfHalfZeroEWSplitFn.cc\
	SplittingFunctions/OneOneOneEWSplitFn.h SplittingFunctions/OneOneOneEWSplitFn.cc\
	SplittingFunctions/OneOneOneQEDSplitFn.h SplittingFunctions/OneOneOneQEDSplitFn.cc\
	SplittingFunctions/OneOneZeroEWSplitFn.h SplittingFunctions/OneOneZeroEWSplitFn.cc\
	SplittingFunctions/ZeroZeroZeroEWSplitFn.h SplittingFunctions/ZeroZeroZeroEWSplitFn.cc\
	SplittingFunctions/OneZeroZeroEWSplitFn.h SplittingFunctions/OneZeroZeroEWSplitFn.cc\
	SplittingFunctions/ZeroZeroOneEWSplitFn.h SplittingFunctions/ZeroZeroOneEWSplitFn.cc\
	SplittingFunctions/OneOneOneSplitFn.h SplittingFunctions/OneOneOneSplitFn.cc\
	SplittingFunctions/OneOneOneMassiveSplitFn.h SplittingFunctions/OneOneOneMassiveSplitFn.cc\
	SplittingFunctions/ZeroZeroOneSplitFn.h SplittingFunctions/ZeroZeroOneSplitFn.cc\
	SplittingFunctions/OneHalfHalfSplitFn.h SplittingFunctions/OneHalfHalfSplitFn.cc\
	SplittingFunctions/HalfOneHalfSplitFn.h SplittingFunctions/HalfOneHalfSplitFn.cc\
	SplittingFunctions/CMWOneOneOneSplitFn.h SplittingFunctions/CMWOneOneOneSplitFn.cc\
	SplittingFunctions/CMWHalfHalfOneSplitFn.h SplittingFunctions/CMWHalfHalfOneSplitFn.cc\
	Kinematics/Decay_QTildeShowerKinematics1to2.cc \
	Kinematics/Decay_QTildeShowerKinematics1to2.h \
	Kinematics/IS_QTildeShowerKinematics1to2.cc Kinematics/IS_QTildeShowerKinematics1to2.h \
	Kinematics/FS_QTildeShowerKinematics1to2.cc Kinematics/FS_QTildeShowerKinematics1to2.h \
	Kinematics/KinematicHelpers.h \
	Kinematics/KinematicsReconstructor.cc \
	Kinematics/KinematicsReconstructor.tcc \
	Kinematics/KinematicsReconstructor.h \
	Kinematics/KinematicsReconstructor.fh \
	Base/HardTree.cc Base/HardTree.h Base/HardTree.fh \
	Base/HardBranching.h Base/HardBranching.fh Base/HardBranching.cc\
	Base/PartnerFinder.h Base/PartnerFinder.fh Base/PartnerFinder.cc \
	Base/ShowerVeto.h Base/ShowerVeto.fh Base/ShowerVeto.cc \
	Base/FullShowerVeto.h Base/FullShowerVeto.fh Base/FullShowerVeto.cc \
	SplittingFunctions/SplittingGenerator.cc SplittingFunctions/SplittingGenerator.h\
	SplittingFunctions/SplittingGenerator.fh \
	Base/ShowerTree.h Base/ShowerTree.fh Base/ShowerTree.cc \
	ShowerConfig.h ShowerConfig.cc \
	Base/Branching.h \
	Base/ShowerParticle.cc Base/ShowerParticle.fh Base/ShowerParticle.h \
	Kinematics/ShowerKinematics.fh Kinematics/ShowerKinematics.h Kinematics/ShowerKinematics.cc \
	Kinematics/ShowerBasis.fh Kinematics/ShowerBasis.h Kinematics/ShowerBasis.cc \
	Base/ShowerProgenitor.fh Base/ShowerProgenitor.h \
	SplittingFunctions/SudakovFormFactor.cc SplittingFunctions/SudakovFormFactor.h SplittingFunctions/SudakovFormFactor.fh \
	SplittingFunctions/SudakovCutOff.cc SplittingFunctions/SudakovCutOff.h SplittingFunctions/SudakovCutOff.fh \
	SplittingFunctions/PTCutOff.cc SplittingFunctions/PTCutOff.h \
	SplittingFunctions/MassCutOff.cc SplittingFunctions/MassCutOff.h \
	SplittingFunctions/VariableMassCutOff.cc SplittingFunctions/VariableMassCutOff.h \
	SplittingFunctions/Sudakov1to2FormFactor.h SplittingFunctions/Sudakov1to2FormFactor.fh \
	SplittingFunctions/Sudakov1to2FormFactor.cc \
	Base/ShowerVertex.cc Base/ShowerVertex.fh Base/ShowerVertex.h

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