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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/UnstableParticles.hh"
namespace Rivet {
/// @brief Add a short analysis description here
class CLEOC_2008_I777917 : public Analysis {
public:
/// Constructor
RIVET_DEFAULT_ANALYSIS_CTOR(CLEOC_2008_I777917);
/// @name Analysis methods
//@{
/// Book histograms and initialise projections before the run
void init() {
// Initialise and register projections
declare(FinalState(), "FS");
declare(UnstableParticles(), "UFS");
book(_c_hadrons, "/TMP/sigma_hadrons");
book(_c_muons, "/TMP/sigma_muons");
book(_c_D0D0, "/TMP/sigma_D0D0");
book(_c_DpDm, "/TMP/sigma_DpDm");
book(_c_DsDs, "/TMP/sigma_DsDs");
book(_c_D0D0S, "/TMP/sigma_D0D0S");
book(_c_DpDmS, "/TMP/sigma_DpDmS");
book(_c_DsDsS, "/TMP/sigma_DsDsS");
book(_c_D0SD0S, "/TMP/sigma_D0SD0S");
book(_c_DpSDmS, "/TMP/sigma_DpSDmS");
book(_c_DsSDsS, "/TMP/sigma_DsSDsS");
book(_c_DD, "/TMP/sigma_DD");
book(_c_DDX, "/TMP/sigma_DDX");
book(_c_DSDpi, "/TMP/sigma_DSDpi");
book(_c_DSDSpi, "/TMP/sigma_DSDSpi");
}
void findChildren(const Particle & p,map<long,int> & nRes, int &ncount) {
for (const Particle &child : p.children()) {
if(child.children().empty()) {
nRes[child.pid()]-=1;
--ncount;
}
else
findChildren(child,nRes,ncount);
}
}
/// Perform the per-event analysis
void analyze(const Event& event) {
const FinalState& fs = apply<FinalState>(event, "FS");
// total hadronic and muonic cross sections
map<long,int> nCount;
int ntotal(0);
for (const Particle& p : fs.particles()) {
nCount[p.pid()] += 1;
++ntotal;
}
// mu+mu- + photons
if(nCount[-13]==1 and nCount[13]==1 &&
ntotal==2+nCount[22])
_c_muons->fill();
// everything else
else
_c_hadrons->fill();
// identified final state with D mesons
const FinalState& ufs = apply<UnstableParticles>(event, "UFS");
for(unsigned int ix=0;ix<ufs.particles().size();++ix) {
const Particle& p1 = ufs.particles()[ix];
int id1 = abs(p1.pid());
if(id1 != 411 && id1 != 413 && id1 != 421 && id1 != 423 &&
id1 != 431 && id1 != 433)
continue;
// check fs
bool fs = true;
for (const Particle & child : p1.children()) {
if(child.pid()==p1.pid()) {
fs = false;
break;
}
}
if(!fs) continue;
// find the children
map<long,int> nRes = nCount;
int ncount = ntotal;
findChildren(p1,nRes,ncount);
bool matched=false;
int sign = p1.pid()/id1;
// loop over the other fs particles
for(unsigned int iy=ix+1;iy<ufs.particles().size();++iy) {
const Particle& p2 = ufs.particles()[iy];
fs = true;
for (const Particle & child : p2.children()) {
if(child.pid()==p2.pid()) {
fs = false;
break;
}
}
if(!fs) continue;
if(p2.pid()/abs(p2.pid())==sign) continue;
int id2 = abs(p2.pid());
if(id2 != 411 && id2 != 413 && id2 != 421 && id2 != 423 &&
id2 != 431 && id2 != 433)
continue;
if(!p2.parents().empty() && p2.parents()[0].pid()==p1.pid())
continue;
if((id1==411 || id1==421 || id1==431) && (id2==411 || id2==421 || id2==431 ))
_c_DDX->fill();
map<long,int> nRes2 = nRes;
int ncount2 = ncount;
findChildren(p2,nRes2,ncount2);
if(ncount2==0) {
matched=true;
for(auto const & val : nRes2) {
if(val.second!=0) {
matched = false;
break;
}
}
if(matched) {
if(id1==411 && id2==411) {
_c_DpDm->fill();
_c_DD ->fill();
}
else if(id1==421&& id2==421) {
_c_D0D0->fill();
_c_DD ->fill();
}
else if(id1==431&& id2==431) {
_c_DsDs->fill();
}
else if(id1==413 && id2==413) {
_c_DpSDmS->fill();
}
else if(id1==423&& id2==423) {
_c_D0SD0S->fill();
}
else if(id1==433&& id2==433) {
_c_DsSDsS->fill();
}
else if((id1==421 && id2==423) ||
(id1==423 && id2==421)) {
_c_D0D0S->fill();
}
else if((id1==411 && id2==413) ||
(id1==413 && id2==411)) {
_c_DpDmS->fill();
}
else if((id1==431 && id2==433) ||
(id1==433 && id2==431)) {
_c_DsDsS->fill();
}
}
}
else if(ncount2==1) {
int ipi=0;
if(nRes2[111]==1 && nRes2[211]==0 && nRes[-211]==0 )
ipi = 111;
else if(nRes2[111]==0 && nRes2[211]==1 && nRes[-211]==0 )
ipi = 211;
else if(nRes2[111]==0 && nRes2[211]==0 && nRes[-211]==1 )
ipi =-211;
if(ipi==0) continue;
matched=true;
for(auto const & val : nRes2) {
if(val.first==ipi)
continue;
else if(val.second!=0) {
matched = false;
break;
}
}
if(matched) {
bool Ddecay = false;
Particle mother = p1;
while (!mother.parents().empty()) {
mother = mother.parents()[0];
if(PID::isCharmMeson(mother.pid()) && mother.pid()!=p1.pid()) {
Ddecay = true;
break;
}
}
mother = p2;
while (!mother.parents().empty()) {
mother = mother.parents()[0];
if(PID::isCharmMeson(mother.pid()) && mother.pid()!=p1.pid()) {
Ddecay = true;
break;
}
}
if(Ddecay) continue;
if((id1==413 || id1==423 ) &&
(id2==413 || id2==423 )) {
_c_DSDSpi->fill();
}
else if((id1==411 || id1==421 ) &&
(id2==413 || id2==423 )) {
_c_DSDpi->fill();
}
else if((id1==413 || id1==423 ) &&
(id2==411 || id2==421 )) {
_c_DSDpi->fill();
}
}
}
}
}
}
/// Normalise histograms etc., after the run
void finalize() {
// R
Scatter1D R = *_c_hadrons/ *_c_muons;
double rval = R.point(0).x();
pair<double,double> rerr = R.point(0).xErrs();
double fact = crossSection()/ sumOfWeights() /nanobarn;
double sig_h = _c_hadrons->val()*fact;
double err_h = _c_hadrons->err()*fact;
double sig_c = _c_DDX->val()*fact;
double err_c = _c_DDX->err()*fact;
double sig_m = _c_muons ->val()*fact;
double err_m = _c_muons ->err()*fact;
Scatter2D temphisto(refData(6, 1, 2));
Scatter2DPtr charm;
book(charm, 6,1,1);
Scatter2DPtr hadrons;
book(hadrons, "sigma_hadrons");
Scatter2DPtr muons;
book(muons, "sigma_muons" );
Scatter2DPtr mult;
book(mult, 6,1,2);
for (size_t b = 0; b < temphisto.numPoints(); b++) {
const double x = temphisto.point(b).x();
pair<double,double> ex = temphisto.point(b).xErrs();
pair<double,double> ex2 = ex;
if(ex2.first ==0.) ex2. first=0.0001;
if(ex2.second==0.) ex2.second=0.0001;
if (inRange(sqrtS()/MeV, x-ex2.first, x+ex2.second)) {
mult ->addPoint(x, rval, ex, rerr);
hadrons->addPoint(x, sig_h, ex, make_pair(err_h,err_h));
charm ->addPoint(x, sig_c, ex, make_pair(err_c,err_c));
muons ->addPoint(x, sig_m, ex, make_pair(err_m,err_m));
}
else {
mult ->addPoint(x, 0., ex, make_pair(0.,.0));
hadrons->addPoint(x, 0., ex, make_pair(0.,.0));
charm ->addPoint(x, 0., ex, make_pair(0.,.0));
muons ->addPoint(x, 0., ex, make_pair(0.,.0));
}
}
for(unsigned int ix=1;ix<6;++ix) {
unsigned int imax(0);
if (ix<=3) imax = 4;
else imax = 3;
for(unsigned int iy=1;iy<imax;++iy) {
double sigma(0),error(0);
if(ix==1) {
if(iy==1) {
sigma = _c_D0D0->val()/picobarn;
error = _c_D0D0->err()/picobarn;
}
else if(iy==2) {
sigma = _c_D0D0S->val()/picobarn;
error = _c_D0D0S->err()/picobarn;
}
else if(iy==3) {
sigma = _c_D0SD0S->val()/picobarn;
error = _c_D0SD0S->err()/picobarn;
}
}
else if(ix==2) {
if(iy==1) {
sigma = _c_DpDm->val()/picobarn;
error = _c_DpDm->err()/picobarn;
}
else if(iy==2) {
sigma = _c_DpDmS->val()/picobarn;
error = _c_DpDmS->err()/picobarn;
}
else if(iy==3) {
sigma = _c_DpSDmS->val()/picobarn;
error = _c_DpSDmS->err()/picobarn;
}
}
else if(ix==3) {
if(iy==1) {
sigma = _c_DsDs->val()/picobarn;
error = _c_DsDs->err()/picobarn;
}
else if(iy==2) {
sigma = _c_DsDsS->val()/picobarn;
error = _c_DsDsS->err()/picobarn;
}
else if(iy==3) {
sigma = _c_DsSDsS->val()/picobarn;
error = _c_DsSDsS->err()/picobarn;
}
}
else if(ix==4) {
if(iy==1) {
sigma = _c_DSDpi->val()/picobarn;
error = _c_DSDpi->err()/picobarn;
}
else if(iy==2) {
sigma = _c_DSDSpi->val()/picobarn;
error = _c_DSDSpi->err()/picobarn;
}
}
else if(ix==5) {
if(iy==1) {
sigma = _c_DD->val()/nanobarn;
error = _c_DD->err()/nanobarn;
}
else if(iy==2) {
sigma = _c_DDX->val()/nanobarn;
error = _c_DDX->err()/nanobarn;
}
}
sigma *= crossSection()/ sumOfWeights();
error *= crossSection()/ sumOfWeights();
Scatter2D temphisto(refData(ix, 1, iy));
Scatter2DPtr mult;
book(mult, ix,1,iy);
for (size_t b = 0; b < temphisto.numPoints(); b++) {
const double x = temphisto.point(b).x();
pair<double,double> ex = temphisto.point(b).xErrs();
pair<double,double> ex2 = ex;
if(ex2.first ==0.) ex2. first=0.0001;
if(ex2.second==0.) ex2.second=0.0001;
if (inRange(sqrtS()/MeV, x-ex2.first, x+ex2.second)) {
mult ->addPoint(x, sigma, ex, make_pair(error,error));
}
else {
mult ->addPoint(x, 0., ex, make_pair(0.,.0));
}
}
}
}
}
//@}
/// @name Histograms
//@{
CounterPtr _c_D0D0, _c_DpDm,_c_DsDs;
CounterPtr _c_D0D0S, _c_DpDmS,_c_DsDsS;
CounterPtr _c_D0SD0S, _c_DpSDmS,_c_DsSDsS;
CounterPtr _c_DD, _c_DDX;
CounterPtr _c_DSDpi, _c_DSDSpi;
CounterPtr _c_hadrons, _c_muons;
//@}
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(CLEOC_2008_I777917);
}
|