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25 std::vector<double>&
he)
27 constexpr
double PTTOCURVATURE = -0.301;
30 he[1] = PTTOCURVATURE * trkP->
charge() / trkP->
pt();
32 if (trkP->
phi0() > 0.)
35 he[4] = TMath::TwoPi() + trkP->
phi0();
39 he[3] = trkP->
d0() +
c1 * pvtx->
y() -
s1 * pvtx->
x();
43 he[2] = trkP->
z0() -
c1 * pvtx->
x() -
s1 * pvtx->
y() + pvtx->
z();
55 declareInterface<DerivationFramework::IAugmentationTool>(
this);
60 "pTCut",
m_elepTCut = 9
e3,
"minimum pT for an electron to be studied");
62 m_idCut =
"DFCommonElectronsLHLoose",
63 "minimal quality for an electron to be studied");
66 "nSiCut",
m_nSiCut = 7,
"minimum number of Si hits in the other track");
68 "dzsinTCut",
m_dzCut = 0.5,
"max dz sinTheta between ele and other tracks");
74 "minimum radius to be classified as external conversion");
78 "maximal mass at vertex to be classified as external conversion");
81 "maximal mass at primary vertex to be classified as gamma*");
94 m_drv = baseName +
".DFCommonSimpleConvRadius";
95 m_dphiv = baseName +
".DFCommonSimpleConvPhi";
96 m_dmee = baseName +
".DFCommonSimpleMee";
97 m_dmeeVtx = baseName +
".DFCommonSimpleMeeAtVtx";
98 m_dsep = baseName +
".DFCommonSimpleSeparation";
99 m_dambi = baseName +
".DFCommonAddAmbiguity";
100 m_dtrv = baseName +
".DFCommonProdTrueRadius";
101 m_dtpv = baseName +
".DFCommonProdTruePhi";
102 m_dtzv = baseName +
".DFCommonProdTrueZ";
114 return StatusCode::SUCCESS;
119 : drv (
tool.m_drv, ctx),
120 dphiv (
tool.m_dphiv, ctx),
121 dmee (
tool.m_dmee, ctx),
122 dmeeVtx (
tool.m_dmeeVtx, ctx),
123 dsep (
tool.m_dsep, ctx),
124 dambi (
tool.m_dambi, ctx),
125 dtrv (
tool.m_dtrv, ctx),
126 dtpv (
tool.m_dtpv, ctx),
127 dtzv (
tool.m_dtzv, ctx)
134 const EventContext& ctx = Gaudi::Hive::currentContext();
145 for (
const auto*
vertex : *vtxC) {
161 return StatusCode::FAILURE;
164 ATH_MSG_DEBUG(
"No primary vertex found. Setting default values.");
167 dh.dphiv(*iele) = -1;
169 dh.dmeeVtx(*iele) = -1;
171 dh.dambi(*iele) = -1;
176 return StatusCode::SUCCESS;
187 std::set<const xAOD::TrackParticle*> alreadyStored;
188 std::set<const xAOD::TrackParticle*> eleIDtpStored, eleGSFtpStored;
190 std::make_unique<ConstDataVector<xAOD::TrackParticleContainer>>(
193 for (
const auto* ele : *eleC) {
204 eleGSFtpStored.insert(eleGSFtp);
208 eleIDtpStored.insert(eleIDtp);
211 for (
const auto*
tp : *idtpC) {
215 closeByTracks->push_back(
tp);
216 alreadyStored.insert(
tp);
221 if (alreadyStored.find(
tp) != alreadyStored.end())
229 double dR = eleIDtp->
p4().DeltaR(
tp->p4());
230 double dz = std::abs(eleIDtp->
z0() -
tp->z0()) *
sin(eleIDtp->
theta());
231 if (dR >= 0.3 || dz >=
m_dzCut)
238 alreadyStored.insert(
tp);
240 closeByTracks->push_back(
tp);
244 if (closeByTracks->empty())
245 return StatusCode::SUCCESS;
253 << idtpC->
size() <<
" , number of selected close-by tracks "
254 << closeByTracks->size() <<
" , number of GSF tracks "
256 for (
const auto* trk : eleIDtpStored)
258 << trk <<
" pt = " << trk->pt() * 1
e-3
259 <<
" eta = " << trk->eta() <<
" phi = " << trk->phi()
261 for (
const auto* trk : eleGSFtpStored)
263 << trk <<
" pt = " << trk->pt() * 1
e-3
264 <<
" eta = " << trk->eta() <<
" phi = " << trk->phi()
268 << trk <<
" pt = " << trk->pt() * 1
e-3
269 <<
" eta = " << trk->eta() <<
" phi = " << trk->phi()
273 for (
const auto* ele : *eleC) {
282 ATH_MSG_ERROR(
"Cannot decorate the electron with the simple info");
283 return StatusCode::FAILURE;
288 return StatusCode::SUCCESS;
313 <<
" phi = " << ele->
phi() <<
" GSF trk ptr = "
314 << eleGSFtrkP <<
" ID trk ptr " << eleIDtrkP);
319 double tpvr = -1, tpvp = 9e9, tpvz = 9e9;
320 if (truthEl && std::abs(truthEl->
pdgId()) == 11 &&
321 truthEl->
prodVtx() !=
nullptr) {
326 dh.dtrv(*ele) = tpvr;
327 dh.dtpv(*ele) = tpvp;
328 dh.dtzv(*ele) = tpvz;
334 double detaMin = 9e9;
337 if (
tp->charge() * eletrkP->
charge() > 0)
341 double dR = eletrkP->
p4().DeltaR(
tp->p4());
342 double dz = std::abs(eletrkP->
z0() -
tp->z0()) *
sin(eletrkP->
theta());
343 if (dR >= 0.3 || dz >= m_dzCut)
346 double deta = std::abs(eletrkP->
eta() -
tp->eta());
347 if (deta < detaMin) {
356 double meeAtVtx = -1.;
358 bool goodConv =
false;
364 ep4.SetPtEtaPhiM(eletrkP->
pt(), eletrkP->
eta(), eletrkP->
phi(), 0.511);
368 op4.SetPtEtaPhiM(otrkP->
pt(), otrkP->
eta(), otrkP->
phi(), 0.511);
371 mee = (ep4 + op4).M();
372 op4.SetPhi(eletrkP->
phi());
373 meeAtVtx = (ep4 + op4).M();
376 std::vector<double> helix1, helix2;
379 helix(eletrkP, pvtx, helix1);
380 helix(otrkP, pvtx, helix2);
383 if (helix1[4] < helix2[4])
384 beta = TMath::PiOver2() - helix1[4];
386 beta = TMath::PiOver2() - helix2[4];
388 double phi1(helix1[4] +
beta);
389 if (phi1 > TMath::TwoPi())
390 phi1 -= TMath::TwoPi();
392 phi1 += TMath::TwoPi();
394 double phi2(helix2[4] +
beta);
395 if (phi2 > TMath::TwoPi())
396 phi2 -= TMath::TwoPi();
398 phi2 += TMath::TwoPi();
401 double r1 = 1 / (2. * std::abs(helix1[1]));
406 double rcenter1(helix1[3] / charge1 + r1);
407 double phicenter1(phi1 + TMath::PiOver2() * charge1);
409 double x1 = rcenter1 *
cos(phicenter1);
410 double y1 = rcenter1 *
sin(phicenter1);
413 double r2 = 1 / (2. * std::abs(helix2[1]));
418 double rcenter2(helix2[3] / charge2 + r2);
419 double phicenter2(phi2 + TMath::PiOver2() * charge2);
421 double x2 = rcenter2 *
cos(phicenter2);
422 double y2 = rcenter2 *
sin(phicenter2);
426 if (dx < 1e-9 && dx > 0.)
428 if (
dx > -1
e-9 &&
dx < 0.)
430 double slope((
y1 -
y2) /
dx);
431 double b(
y1 - slope *
x1);
432 double alpha(
atan(slope));
435 double separation =
d - r1 - r2;
438 cpx1 =
x1 - r1 *
cos(alpha);
439 cpx2 =
x2 + r2 *
cos(alpha);
441 cpx1 =
x1 + r1 *
cos(alpha);
442 cpx2 =
x2 - r2 *
cos(alpha);
445 double temp1 = (cpx1 + cpx2) / 2;
446 double temp2 = slope * temp1 +
b;
450 double dct(helix1[0] - helix2[0]);
453 if (std::abs(separation) < m_sepCut && std::abs(dct) < m_dctCut) {
456 pv = std::atan2(convY, convX);
457 rv = sqrt(convX * convX + convY * convY);
458 if (convX *
cos(eletrkP->
phi()) + convY *
sin(eletrkP->
phi()) < 0)
467 dh.dmeeVtx(*ele) = meeAtVtx;
469 if (goodConv &&
rv > m_rvECCut && meeAtVtx < m_meeAtVtxECCut)
472 if (mee < m_meeICCut)
477 return StatusCode::SUCCESS;
virtual double pt() const override final
The transverse momentum ( ) of the particle.
float x() const
Returns the x position.
float phi() const
Vertex azimuthal angle.
@ VIEW_ELEMENTS
this data object is a view, it does not own its elmts
float charge() const
Returns the charge.
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T > &t)
virtual double eta() const override final
The pseudorapidity ( ) of the particle.
float z0() const
Returns the parameter.
bool msgLvl(const MSG::Level lvl) const
const xAOD::TrackParticle * trackParticle(size_t index=0) const
Pointer to the xAOD::TrackParticle/s that match the electron candidate.
Helper class to provide constant type-safe access to aux data.
const std::string & key() const
Return the StoreGate ID for the referenced object.
float d0() const
Returns the parameter.
virtual FourMom_t p4() const override final
The full 4-momentum of the particle.
::StatusCode StatusCode
StatusCode definition for legacy code.
Class describing a truth particle in the MC record.
float perp() const
Vertex transverse distance from the beam line.
virtual double phi() const override final
The azimuthal angle ( ) of the particle.
float z() const
Returns the z position.
StatusCode initialize(bool used=true)
If this object is used as a property, then this should be called during the initialize phase.
const TruthVertex_v1 * prodVtx() const
The production vertex of this particle.
float phi0() const
Returns the parameter, which has range to .
const xAOD::TruthParticle * getTruthParticle(const xAOD::IParticle &p)
Return the truthParticle associated to the given IParticle (if any)
std::size_t numberOfSiHits(const xAOD::TrackParticle *tp)
return the number of Si hits in the track particle
const double he
same in ev
StatusCode initialize(bool used=true)
If this object is used as a property, then this should be called during the initialize phase.
Class describing a Vertex.
DataVector adapter that acts like it holds const pointers.
float z() const
Vertex longitudinal distance along the beam line form the origin.
float y() const
Returns the y position.
virtual double pt() const override final
The transverse momentum ( ) of the particle.
const xAOD::TrackParticle * getOriginalTrackParticle(const xAOD::Electron *el)
Helper function for getting the "Original" Track Particle (i.e before GSF) via the electron.
bool isAvailable(const ELT &e) const
Test to see if this variable exists in the store.
virtual double eta() const override final
The pseudorapidity ( ) of the particle.
Class describing a TrackParticle.
int pdgId() const
PDG ID code.
float theta() const
Returns the parameter, which has range 0 to .
size_type size() const noexcept
Returns the number of elements in the collection.
virtual double phi() const override final
The azimuthal angle ( ) of the particle (has range to .)