#include <K3pipi0.h>
Public Member Functions | |
K3pipi0 () | |
~K3pipi0 () | |
bool | Getk3pipi0md () |
double | Gettagmd () |
double | Getmass_bc () |
double | GetCQtm () |
double | GetdelE_tag () |
Vint | Gettagtrk1 () |
HepLorentzVector | Gettagp1 () |
Vint | GettagGam1 () |
void | MTotal (double event, SmartDataPtr< EvtRecTrackCol > evtRecTrkCol, Vint iGood, Vint iGam, double Ebeam, int PID_flag, int Charge_candidate_D) |
Private Attributes | |
bool | k3pipi0md |
double | tagmd |
double | mass_bc |
double | cqtm |
double | delE_tag |
Vint | iGoodtag |
HepLorentzVector | ptag |
Vint | iGamtag |
Definition at line 20 of file K3pipi0.h.
K3pipi0::K3pipi0 | ( | ) |
K3pipi0::~K3pipi0 | ( | ) |
double K3pipi0::GetCQtm | ( | ) | [inline] |
Definition at line 30 of file K3pipi0.h.
References cqtm.
Referenced by Sing::Mdset().
00030 { return cqtm; }
double K3pipi0::GetdelE_tag | ( | ) | [inline] |
Definition at line 31 of file K3pipi0.h.
References delE_tag.
Referenced by Sing::Mdset().
00031 { return delE_tag; }
bool K3pipi0::Getk3pipi0md | ( | ) | [inline] |
Definition at line 27 of file K3pipi0.h.
References k3pipi0md.
Referenced by Sing::Mdset().
00027 { return k3pipi0md; }
double K3pipi0::Getmass_bc | ( | ) | [inline] |
Definition at line 29 of file K3pipi0.h.
References mass_bc.
Referenced by Sing::Mdset().
00029 { return mass_bc; }
Vint K3pipi0::GettagGam1 | ( | ) | [inline] |
Definition at line 34 of file K3pipi0.h.
References iGamtag.
Referenced by Sing::Mdset().
00034 { return iGamtag; }
double K3pipi0::Gettagmd | ( | ) | [inline] |
Definition at line 28 of file K3pipi0.h.
References tagmd.
Referenced by Sing::Mdset().
00028 { return tagmd; }
HepLorentzVector K3pipi0::Gettagp1 | ( | ) | [inline] |
Definition at line 33 of file K3pipi0.h.
References ptag.
Referenced by Sing::Mdset().
00033 { return ptag; }
Vint K3pipi0::Gettagtrk1 | ( | ) | [inline] |
Definition at line 32 of file K3pipi0.h.
References iGoodtag.
Referenced by Sing::Mdset().
00032 { return iGoodtag; }
void K3pipi0::MTotal | ( | double | event, | |
SmartDataPtr< EvtRecTrackCol > | evtRecTrkCol, | |||
Vint | iGood, | |||
Vint | iGam, | |||
double | Ebeam, | |||
int | PID_flag, | |||
int | Charge_candidate_D | |||
) |
Definition at line 33 of file K3pipi0.cxx.
References VFHelix::a(), abs, KalmanKinematicFit::AddResonance(), TrackPool::AddTrack(), VertexFit::AddVertex(), KalmanKinematicFit::BuildVirtualParticle(), DstMdcKalTrack::charge(), KalmanKinematicFit::chisq(), cos(), cqtm, delE_tag, ecms, DstEmcShower::energy(), EventModel::EvtRec::EvtRecEvent, VertexFit::Fit(), KalmanKinematicFit::Fit(), RecMdcKalTrack::getZError(), RecMdcKalTrack::getZErrorK(), RecMdcKalTrack::getZHelix(), RecMdcKalTrack::getZHelixK(), genRecEmupikp::i, iGamtag, iGoodtag, VertexFit::init(), KalmanKinematicFit::init(), VertexFit::instance(), KalmanKinematicFit::instance(), IVertexDbSvc::isVertexValid(), ganga-rec::j, k3pipi0md, DstMdcKalTrack::kaon, mass_bc, mpi0, KalmanKinematicFit::pfit(), DstEmcShower::phi(), phi1, phi2, DstMdcKalTrack::pion, VFHelix::pivot(), ISimplePIDSvc::preparePID(), IVertexDbSvc::PrimaryVertex(), ISimplePIDSvc::probKaon(), ISimplePIDSvc::probPion(), ptag, runNo, KalmanKinematicFit::setChisqCut(), VertexParameter::setEvx(), DstMdcKalTrack::setPidType(), VertexParameter::setVx(), IVertexDbSvc::SigmaPrimaryVertex(), sin(), VertexFit::Swim(), tagmd, DstEmcShower::theta(), DstMdcKalTrack::theta(), WTrackParameter::w(), VertexFit::wtrk(), and xmass.
Referenced by Sing::Mdset().
00035 { 00036 00037 int nGood=iGood.size(); 00038 int nGam=iGam.size(); 00039 iGoodtag.clear(); 00040 iGamtag.clear(); 00041 00042 double mass_bcgg, delE_tag_temp; 00043 int m_chargetag,m_chargek,m_chargepi1,m_chargepi2,m_chargepi3; 00044 int ika_temp,ipi1_temp,ipi2_temp,ipi3_temp,ipi4_temp, iGam1_temp, iGam2_temp; 00045 HepLorentzVector kmfit1,kmfit2,kmfit3,kmfit4,pddd; 00046 00047 int cqtm_temp; 00048 HepLorentzVector pddd_temp; 00049 IDataProviderSvc* eventSvc = NULL; 00050 Gaudi::svcLocator()->service("EventDataSvc", eventSvc); 00051 SmartDataPtr<EvtRecEvent> evtRecEvent(eventSvc, EventModel::EvtRec::EvtRecEvent); 00052 SmartDataPtr<Event::EventHeader> eventHeader(eventSvc,"/Event/EventHeader"); 00053 00054 int runNo=eventHeader->runNumber(); 00055 int rec=eventHeader->eventNumber(); 00056 00057 double xecm=2*Ebeam; 00058 00059 k3pipi0md = false; 00060 double tagmode=0; 00061 00062 if((evtRecEvent->totalCharged() < 4 || nGam <2)){ return; } 00063 00064 double ecms = xecm; 00065 00066 ISimplePIDSvc* simple_pid; 00067 Gaudi::svcLocator()->service("SimplePIDSvc", simple_pid); 00068 00069 double deltaE_tem = 0.20; 00070 int ncount1 = 0; 00071 00072 HepLorentzVector p2gfit; 00073 HepLorentzVector p2gg; 00074 00075 Hep3Vector xorigin(0,0,0); 00076 IVertexDbSvc* vtxsvc; 00077 Gaudi::svcLocator()->service("VertexDbSvc", vtxsvc); 00078 if(vtxsvc->isVertexValid()) 00079 { 00080 double* dbv = vtxsvc->PrimaryVertex(); 00081 double* vv = vtxsvc->SigmaPrimaryVertex(); 00082 xorigin.setX(dbv[0]); 00083 xorigin.setY(dbv[1]); 00084 xorigin.setZ(dbv[2]); 00085 } 00086 00087 double xv=xorigin.x(); 00088 double yv=xorigin.y(); 00089 double zv=xorigin.z(); 00090 00091 HepPoint3D point0(0.,0.,0.); 00092 HepPoint3D IP(xorigin[0],xorigin[1],xorigin[2]); 00093 00094 HepLorentzVector ptrk1_temp, ptrk2_temp, ptrk3_temp, ptrk4_temp, ptrk5_temp, ptrk6_temp, ptrk7_temp; 00096 for(int i = 0; i < evtRecEvent->totalCharged(); i++) { 00097 EvtRecTrackIterator itTrk1 = evtRecTrkCol->begin() + i; 00098 00099 int ika= (*itTrk1)->trackId(); 00100 00101 if(!(*itTrk1)->isMdcKalTrackValid()) continue; 00102 RecMdcKalTrack* mdcKalTrk1 = (*itTrk1)->mdcKalTrack(); 00103 RecMdcKalTrack::setPidType(RecMdcKalTrack::kaon); 00105 m_chargek=mdcKalTrk1->charge(); 00106 if(Charge_candidate_D != 0) { 00107 if(m_chargek != -Charge_candidate_D) continue; 00108 } 00109 if(Charge_candidate_D == 0) { 00110 if(abs(m_chargek) != 1) continue; 00111 } 00113 HepVector a1 = mdcKalTrk1->getZHelixK(); 00114 HepSymMatrix Ea1 = mdcKalTrk1->getZErrorK(); 00115 VFHelix helixip3_1(point0,a1,Ea1); 00116 helixip3_1.pivot(IP); 00117 HepVector vecipa1 = helixip3_1.a(); 00118 00119 double dr1 = fabs(vecipa1[0]); 00120 double dz1 = fabs(vecipa1[3]); 00121 double costheta1 = cos(mdcKalTrk1->theta()); 00122 if ( dr1 >= 1.0) continue; 00123 if ( dz1 >= 10.0) continue; 00124 if ( fabs(costheta1) >= 0.93) continue; 00126 if(PID_flag == 5) { 00127 simple_pid->preparePID(*itTrk1); 00128 if(simple_pid->probKaon() < 0.0 ||simple_pid->probKaon() < simple_pid->probPion()) continue; 00129 } 00130 00132 00133 WTrackParameter kam(xmass[3],mdcKalTrk1->getZHelixK(),mdcKalTrk1->getZErrorK() ); 00134 00135 // 00136 // select pi1 00137 // 00138 for(int j = 0; j< evtRecEvent->totalCharged();j++) { 00139 EvtRecTrackIterator itTrk2 = evtRecTrkCol->begin() + j; 00140 00141 int ipi1= (*itTrk2)->trackId(); 00142 if(ipi1==ika) continue; 00143 00144 if(!(*itTrk2)->isMdcKalTrackValid()) continue; 00145 RecMdcKalTrack* mdcKalTrk2 = (*itTrk2)->mdcKalTrack(); 00146 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00148 m_chargepi1=mdcKalTrk2->charge(); 00149 if((m_chargek + m_chargepi1) != 0) continue; 00151 HepVector a2 = mdcKalTrk2->getZHelix(); 00152 HepSymMatrix Ea2 = mdcKalTrk2->getZError(); 00153 VFHelix helixip3_2(point0,a2,Ea2); 00154 helixip3_2.pivot(IP); 00155 HepVector vecipa2 = helixip3_2.a(); 00156 00157 double dr2 = fabs(vecipa2[0]); 00158 double dz2 = fabs(vecipa2[3]); 00159 double costheta2 = cos(mdcKalTrk2->theta()); 00160 if ( dr2 >= 1.0) continue; 00161 if ( dz2 >= 10.0) continue; 00162 if ( fabs(costheta2) >= 0.93) continue; 00164 if(PID_flag == 5) { 00165 simple_pid->preparePID(*itTrk2); 00166 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00167 } 00169 WTrackParameter pip1(xmass[2],mdcKalTrk2->getZHelix(),mdcKalTrk2->getZError() ); 00170 00171 // 00172 //select pi2 00173 // 00174 for(int k = 0; k< evtRecEvent->totalCharged(); k++) { 00175 EvtRecTrackIterator itTrk3 = evtRecTrkCol->begin() + k; 00176 00177 int ipi2= (*itTrk3)->trackId(); 00178 if(ipi2==ika || ipi2==ipi1) continue; 00179 00180 if(!(*itTrk3)->isMdcKalTrackValid()) continue; 00181 RecMdcKalTrack* mdcKalTrk3 = (*itTrk3)->mdcKalTrack(); 00182 RecMdcKalTrack::setPidType (RecMdcKalTrack::pion); 00184 m_chargepi2=mdcKalTrk3->charge(); 00185 if((m_chargek + m_chargepi2) != 0) continue; 00187 HepVector a3 = mdcKalTrk3->getZHelix(); 00188 HepSymMatrix Ea3 = mdcKalTrk3->getZError(); 00189 VFHelix helixip3_3(point0,a3,Ea3); 00190 helixip3_3.pivot(IP); 00191 HepVector vecipa3 = helixip3_3.a(); 00192 00193 double dr3 = fabs(vecipa3[0]); 00194 double dz3 = fabs(vecipa3[3]); 00195 double costheta3 = cos(mdcKalTrk3->theta()); 00196 if ( dr3 >= 1.0) continue; 00197 if ( dz3 >= 10.0) continue; 00198 if ( fabs(costheta3) >= 0.93) continue; 00200 if(PID_flag == 5) { 00201 simple_pid->preparePID(*itTrk3); 00202 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00203 } 00205 WTrackParameter pip2(xmass[2],mdcKalTrk3->getZHelix(),mdcKalTrk3->getZError() ); 00206 00207 // 00208 // select pi3 00209 // 00210 for(int l = 0; l< evtRecEvent->totalCharged();l++) { 00211 EvtRecTrackIterator itTrk4 = evtRecTrkCol->begin() + l; 00212 00213 int ipi3= (*itTrk4)->trackId(); 00214 if(ipi3==ika || ipi3==ipi1 || ipi3==ipi2 ) continue; 00215 00216 if(!(*itTrk4)->isMdcKalTrackValid()) continue; 00217 RecMdcKalTrack* mdcKalTrk4 = (*itTrk4)->mdcKalTrack(); 00218 RecMdcKalTrack::setPidType (RecMdcKalTrack::pion); 00220 m_chargepi3=mdcKalTrk4->charge(); 00221 if((m_chargepi2 + m_chargepi3) != 0) continue; 00223 HepVector a4 = mdcKalTrk4->getZHelix(); 00224 HepSymMatrix Ea4 = mdcKalTrk4->getZError(); 00225 VFHelix helixip3_4(point0,a4,Ea4); 00226 helixip3_4.pivot(IP); 00227 HepVector vecipa4 = helixip3_4.a(); 00228 00229 double dr4 = fabs(vecipa4[0]); 00230 double dz4 = fabs(vecipa4[3]); 00231 double costheta4 = cos(mdcKalTrk4->theta()); 00232 if ( dr4 >= 1.0) continue; 00233 if ( dz4 >= 10.0) continue; 00234 if ( fabs(costheta4) >= 0.93) continue; 00236 if(PID_flag == 5) { 00237 simple_pid->preparePID(*itTrk4); 00238 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00239 } 00241 WTrackParameter pip3(xmass[2],mdcKalTrk4->getZHelix(),mdcKalTrk4->getZError() ); 00242 00243 00244 for(int m = 0; m < nGam-1; m++) { 00245 if(iGam[m]==-1) continue; 00246 RecEmcShower *g1Trk =(*(evtRecTrkCol->begin()+iGam[m]))->emcShower(); 00247 double eraw1 = g1Trk->energy(); 00248 double phi1 = g1Trk->phi(); 00249 double the1 = g1Trk->theta(); 00250 HepLorentzVector ptrkg1,ptrkg10,ptrkg12; 00251 ptrkg1.setPx(eraw1*sin(the1)*cos(phi1)); 00252 ptrkg1.setPy(eraw1*sin(the1)*sin(phi1)); 00253 ptrkg1.setPz(eraw1*cos(the1)); 00254 ptrkg1.setE(eraw1); 00255 ptrkg10 = ptrkg1; 00256 ptrkg12 = ptrkg1.boost(-0.011,0,0); 00257 00258 for(int n = m+1; n < nGam; n++) { 00259 if(iGam[n]==-1) continue; 00260 RecEmcShower *g2Trk =(*(evtRecTrkCol->begin()+iGam[n]))->emcShower(); 00261 double eraw2 = g2Trk->energy(); 00262 double phi2 = g2Trk->phi(); 00263 double the2 = g2Trk->theta(); 00264 HepLorentzVector ptrkg2,ptrkg20,ptrkg22; 00265 ptrkg2.setPx(eraw2*sin(the2)*cos(phi2)); 00266 ptrkg2.setPy(eraw2*sin(the2)*sin(phi2)); 00267 ptrkg2.setPz(eraw2*cos(the2)); 00268 ptrkg2.setE(eraw2); 00269 ptrkg20 = ptrkg2; 00270 ptrkg22 = ptrkg2.boost(-0.011,0,0); 00271 00273 HepLorentzVector ptrkpi0; 00274 ptrkpi0 = ptrkg12+ptrkg22; 00275 double m_xmpi0_tem = ptrkpi0.mag(); 00276 if(m_xmpi0_tem>0.150||m_xmpi0_tem<0.115) continue; 00278 bool IsEndcap1 = false; bool IsEndcap2 = false; 00279 if(fabs(cos(the1)) > 0.86 && fabs(cos(the1)) < 0.92) IsEndcap1 = true; 00280 if(fabs(cos(the2)) > 0.86 && fabs(cos(the2)) < 0.92) IsEndcap2 = true; 00281 if(IsEndcap1 && IsEndcap2) continue; 00283 00284 KalmanKinematicFit * kmfit = KalmanKinematicFit::instance(); 00285 kmfit->init(); 00286 kmfit->setChisqCut(2500); 00287 kmfit->AddTrack(0, 0.0 , g1Trk); 00288 kmfit->AddTrack(1, 0.0 , g2Trk); 00289 kmfit->AddResonance(0, mpi0, 0, 1); 00290 00291 kmfit->Fit(0); // Perform fit 00292 kmfit->BuildVirtualParticle(0); 00293 00294 double pi0_chisq = kmfit->chisq(0); 00295 if ( pi0_chisq >= 2500) continue; 00296 HepLorentzVector p2gfit = kmfit->pfit(0) + kmfit->pfit(1); 00297 p2gfit.boost(-0.011,0,0); 00298 00300 HepPoint3D vx(xorigin.x(), xorigin.y(), xorigin.z()); 00301 HepSymMatrix Evx(3, 0); 00302 double bx = 1E+6; Evx[0][0] = bx*bx; 00303 double by = 1E+6; Evx[1][1] = by*by; 00304 double bz = 1E+6; Evx[2][2] = bz*bz; 00305 VertexParameter vxpar; vxpar.setVx(vx); vxpar.setEvx(Evx); 00307 00308 VertexFit* vtxfit = VertexFit::instance(); 00309 vtxfit->init(); 00310 vtxfit->AddTrack(0, kam); 00311 vtxfit->AddTrack(1, pip1); 00312 vtxfit->AddTrack(2, pip2); 00313 vtxfit->AddTrack(3, pip3); 00314 vtxfit->AddVertex(0, vxpar, 0, 1, 2, 3); 00315 if(!vtxfit->Fit(0)) continue; 00316 vtxfit->Swim(0); 00317 00318 WTrackParameter wkam = vtxfit->wtrk(0); 00319 WTrackParameter wpip1 = vtxfit->wtrk(1); 00320 WTrackParameter wpip2 = vtxfit->wtrk(2); 00321 WTrackParameter wpip3 = vtxfit->wtrk(3); 00322 00323 HepVector kam_val = HepVector(7,0); 00324 HepVector pip1_val = HepVector(7,0); 00325 HepVector pip2_val = HepVector(7,0); 00326 HepVector pip3_val = HepVector(7,0); 00327 kam_val = wkam.w(); 00328 pip1_val = wpip1.w(); 00329 pip2_val = wpip2.w(); 00330 pip3_val = wpip3.w(); 00331 00332 HepLorentzVector P_KAM(kam_val[0],kam_val[1],kam_val[2],kam_val[3]); 00333 HepLorentzVector P_PIP1(pip1_val[0],pip1_val[1],pip1_val[2],pip1_val[3]); 00334 HepLorentzVector P_PIP2(pip2_val[0],pip2_val[1],pip2_val[2],pip2_val[3]); 00335 HepLorentzVector P_PIP3(pip3_val[0],pip3_val[1],pip3_val[2],pip3_val[3]); 00336 00337 P_KAM.boost(-0.011,0,0); 00338 P_PIP1.boost(-0.011,0,0); 00339 P_PIP2.boost(-0.011,0,0); 00340 P_PIP3.boost(-0.011,0,0); 00341 pddd = P_KAM + P_PIP1 + P_PIP2 + P_PIP3 + p2gfit; 00342 00343 double pk3pipi0=pddd.rho(); 00344 00345 double temp1 = (ecms/2)*(ecms/2)-pk3pipi0*pk3pipi0 ; 00346 if(temp1<0) temp1 =0; 00347 double mass_bc_tem = sqrt(temp1); 00348 if(mass_bc_tem < 1.82 || mass_bc_tem > 1.89) continue; 00349 00350 double delE_tag_tag = ecms/2-pddd.e(); 00351 00352 if(fabs(delE_tag_tag)<deltaE_tem) { 00353 deltaE_tem = fabs(delE_tag_tag); 00354 delE_tag_temp = delE_tag_tag; 00355 mass_bcgg = mass_bc_tem; 00356 00357 pddd_temp = pddd; 00358 cqtm_temp = m_chargek; 00359 00360 ika_temp=ika; 00361 ipi1_temp=ipi1; 00362 ipi2_temp=ipi2; 00363 ipi3_temp=ipi3; 00364 iGam1_temp = iGam[m]; 00365 iGam2_temp = iGam[n]; 00366 00367 ncount1 = 1; 00368 00369 00370 } 00371 } 00372 } 00373 } 00374 } 00375 } 00376 } 00377 if(ncount1 == 1){ 00378 tagmode=24; 00379 if(cqtm_temp<0) tagmode=-24; 00380 tagmd=tagmode; 00381 mass_bc = mass_bcgg; 00382 delE_tag = delE_tag_temp; 00383 cqtm = -1.0*cqtm_temp; 00384 00385 iGoodtag.push_back(ika_temp); 00386 iGoodtag.push_back(ipi1_temp); 00387 iGoodtag.push_back(ipi2_temp); 00388 iGoodtag.push_back(ipi3_temp); 00389 00390 iGamtag.push_back(iGam1_temp); 00391 iGamtag.push_back(iGam2_temp); 00392 iGamtag.push_back(9999); 00393 iGamtag.push_back(9999); 00394 00395 ptag = pddd_temp; 00396 00397 k3pipi0md = true; 00398 00399 } 00400 }
double K3pipi0::cqtm [private] |
double K3pipi0::delE_tag [private] |
Vint K3pipi0::iGamtag [private] |
Vint K3pipi0::iGoodtag [private] |
bool K3pipi0::k3pipi0md [private] |
double K3pipi0::mass_bc [private] |
HepLorentzVector K3pipi0::ptag [private] |
double K3pipi0::tagmd [private] |