#include <K3pi.h>
Public Member Functions | |
K3pi () | |
~K3pi () | |
bool | Getk3pimd () |
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 | k3pimd |
double | tagmd |
double | mass_bc |
double | cqtm |
double | delE_tag |
Vint | iGoodtag |
HepLorentzVector | ptag |
Vint | iGamtag |
Definition at line 20 of file K3pi.h.
double K3pi::GetCQtm | ( | ) | [inline] |
Definition at line 30 of file K3pi.h.
References cqtm.
Referenced by Sing::Mdset().
00030 { return cqtm; }
double K3pi::GetdelE_tag | ( | ) | [inline] |
Definition at line 31 of file K3pi.h.
References delE_tag.
Referenced by Sing::Mdset().
00031 { return delE_tag; }
bool K3pi::Getk3pimd | ( | ) | [inline] |
Definition at line 27 of file K3pi.h.
References k3pimd.
Referenced by Sing::Mdset().
00027 { return k3pimd; }
double K3pi::Getmass_bc | ( | ) | [inline] |
Definition at line 29 of file K3pi.h.
References mass_bc.
Referenced by Sing::Mdset().
00029 { return mass_bc; }
Vint K3pi::GettagGam1 | ( | ) | [inline] |
Definition at line 34 of file K3pi.h.
References iGamtag.
Referenced by Sing::Mdset().
00034 { return iGamtag; }
double K3pi::Gettagmd | ( | ) | [inline] |
Definition at line 28 of file K3pi.h.
References tagmd.
Referenced by Sing::Mdset().
00028 { return tagmd; }
HepLorentzVector K3pi::Gettagp1 | ( | ) | [inline] |
Definition at line 33 of file K3pi.h.
References ptag.
Referenced by Sing::Mdset().
00033 { return ptag; }
Vint K3pi::Gettagtrk1 | ( | ) | [inline] |
Definition at line 32 of file K3pi.h.
References iGoodtag.
Referenced by Sing::Mdset().
00032 { return iGoodtag; }
void K3pi::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 K3pi.cxx.
References VFHelix::a(), abs, TrackPool::AddTrack(), VertexFit::AddVertex(), DstMdcKalTrack::charge(), cos(), cqtm, delE_tag, ecms, EventModel::EvtRec::EvtRecEvent, VertexFit::Fit(), RecMdcKalTrack::getZError(), RecMdcKalTrack::getZErrorK(), RecMdcKalTrack::getZHelix(), RecMdcKalTrack::getZHelixK(), genRecEmupikp::i, iGamtag, iGoodtag, VertexFit::init(), VertexFit::instance(), IVertexDbSvc::isVertexValid(), ganga-rec::j, k3pimd, DstMdcKalTrack::kaon, mass_bc, DstMdcKalTrack::pion, VFHelix::pivot(), ISimplePIDSvc::preparePID(), IVertexDbSvc::PrimaryVertex(), ISimplePIDSvc::probKaon(), ISimplePIDSvc::probPion(), ptag, runNo, VertexParameter::setEvx(), DstMdcKalTrack::setPidType(), VertexParameter::setVx(), IVertexDbSvc::SigmaPrimaryVertex(), VertexFit::Swim(), tagmd, 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; 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 k3pimd=false; 00060 double tagmode=0; 00061 00062 if((evtRecEvent->totalCharged() < 4)){ 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 Hep3Vector xorigin(0,0,0); 00073 IVertexDbSvc* vtxsvc; 00074 Gaudi::svcLocator()->service("VertexDbSvc", vtxsvc); 00075 if(vtxsvc->isVertexValid()) 00076 { 00077 double* dbv = vtxsvc->PrimaryVertex(); 00078 double* vv = vtxsvc->SigmaPrimaryVertex(); 00079 xorigin.setX(dbv[0]); 00080 xorigin.setY(dbv[1]); 00081 xorigin.setZ(dbv[2]); 00082 } 00083 00084 double xv=xorigin.x(); 00085 double yv=xorigin.y(); 00086 double zv=xorigin.z(); 00087 00088 HepPoint3D point0(0.,0.,0.); 00089 HepPoint3D IP(xorigin[0],xorigin[1],xorigin[2]); 00090 00091 HepLorentzVector ptrk1_temp, ptrk2_temp, ptrk3_temp, ptrk4_temp; 00093 for(int i = 0; i < evtRecEvent->totalCharged(); i++) { 00094 EvtRecTrackIterator itTrk1 = evtRecTrkCol->begin() + i; 00095 00096 int ika= (*itTrk1)->trackId(); 00097 00098 if(!(*itTrk1)->isMdcKalTrackValid()) continue; 00099 RecMdcKalTrack* mdcKalTrk1 = (*itTrk1)->mdcKalTrack(); 00100 RecMdcKalTrack::setPidType(RecMdcKalTrack::kaon); 00102 m_chargek=mdcKalTrk1->charge(); 00103 if(Charge_candidate_D != 0) { 00104 if(m_chargek != -Charge_candidate_D) continue; 00105 } 00106 if(Charge_candidate_D == 0) { 00107 if(abs(m_chargek) != 1) continue; 00108 } 00110 HepVector a1 = mdcKalTrk1->getZHelixK(); 00111 HepSymMatrix Ea1 = mdcKalTrk1->getZErrorK(); 00112 00113 VFHelix helixip3_1(point0,a1,Ea1); 00114 helixip3_1.pivot(IP); 00115 HepVector vecipa1 = helixip3_1.a(); 00116 00117 double dr1 = fabs(vecipa1[0]); 00118 double dz1 = fabs(vecipa1[3]); 00119 double costheta1 = cos(mdcKalTrk1->theta()); 00120 00121 if ( dr1 >= 1.0) continue; 00122 if ( dz1 >= 10.0) continue; 00123 if ( fabs(costheta1) >= 0.93) continue; 00125 if(PID_flag == 5) { 00126 simple_pid->preparePID(*itTrk1); 00127 if(simple_pid->probKaon() < 0.0 || simple_pid->probKaon() < simple_pid->probPion()) continue; 00128 } 00130 WTrackParameter kam(xmass[3],mdcKalTrk1->getZHelixK(),mdcKalTrk1->getZErrorK() ); 00131 00132 // 00133 // select pi1 00134 // 00135 for(int j = 0; j< evtRecEvent->totalCharged();j++) { 00136 EvtRecTrackIterator itTrk2 = evtRecTrkCol->begin() + j; 00137 00138 int ipi1= (*itTrk2)->trackId(); 00139 if(ipi1==ika) continue; 00140 00141 if(!(*itTrk2)->isMdcKalTrackValid()) continue; 00142 RecMdcKalTrack* mdcKalTrk2 = (*itTrk2)->mdcKalTrack(); 00143 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00145 m_chargepi1=mdcKalTrk2->charge(); 00146 if((m_chargek + m_chargepi1) != 0) continue; 00148 HepVector a2 = mdcKalTrk2->getZHelix(); 00149 HepSymMatrix Ea2 = mdcKalTrk2->getZError(); 00150 VFHelix helixip3_2(point0,a2,Ea2); 00151 helixip3_2.pivot(IP); 00152 HepVector vecipa2 = helixip3_2.a(); 00153 00154 double dr2 = fabs(vecipa2[0]); 00155 double dz2 = fabs(vecipa2[3]); 00156 double costheta2 = cos(mdcKalTrk2->theta()); 00157 if ( dr2 >= 1.0) continue; 00158 if ( dz2 >= 10.0) continue; 00159 if ( fabs(costheta2) >= 0.93) continue; 00161 if(PID_flag == 5) { 00162 simple_pid->preparePID(*itTrk2); 00163 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00164 } 00166 WTrackParameter pip1(xmass[2],mdcKalTrk2->getZHelix(),mdcKalTrk2->getZError() ); 00167 00168 // 00169 //select pi2 00170 // 00171 for(int k = 0; k< evtRecEvent->totalCharged(); k++) { 00172 EvtRecTrackIterator itTrk3 = evtRecTrkCol->begin() + k; 00173 00174 int ipi2= (*itTrk3)->trackId(); 00175 if(ipi2==ika || ipi2==ipi1) continue; 00176 00177 if(!(*itTrk3)->isMdcKalTrackValid()) continue; 00178 RecMdcKalTrack* mdcKalTrk3 = (*itTrk3)->mdcKalTrack(); 00179 RecMdcKalTrack::setPidType (RecMdcKalTrack::pion); 00181 m_chargepi2=mdcKalTrk3->charge(); 00182 if((m_chargek + m_chargepi2) != 0) continue; 00184 HepVector a3 = mdcKalTrk3->getZHelix(); 00185 HepSymMatrix Ea3 = mdcKalTrk3->getZError(); 00186 VFHelix helixip3_3(point0,a3,Ea3); 00187 helixip3_3.pivot(IP); 00188 HepVector vecipa3 = helixip3_3.a(); 00189 00190 double dr3 = fabs(vecipa3[0]); 00191 double dz3 = fabs(vecipa3[3]); 00192 double costheta3 = cos(mdcKalTrk3->theta()); 00193 if ( dr3 >= 1.0) continue; 00194 if ( dz3 >= 10.0) continue; 00195 if ( fabs(costheta3) >= 0.93) continue; 00197 if(PID_flag == 5) { 00198 simple_pid->preparePID(*itTrk3); 00199 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00200 } 00202 WTrackParameter pip2(xmass[2],mdcKalTrk3->getZHelix(),mdcKalTrk3->getZError() ); 00203 00204 // 00205 // select pi3 00206 // 00207 for(int l = 0; l< evtRecEvent->totalCharged(); l++) { 00208 EvtRecTrackIterator itTrk4 = evtRecTrkCol->begin() + l; 00209 00210 int ipi3= (*itTrk4)->trackId(); 00211 if(ipi3==ika || ipi3==ipi1 || ipi3==ipi2 ) continue; 00212 00213 if(!(*itTrk4)->isMdcKalTrackValid()) continue; 00214 RecMdcKalTrack* mdcKalTrk4 = (*itTrk4)->mdcKalTrack(); 00215 RecMdcKalTrack::setPidType (RecMdcKalTrack::pion); 00217 m_chargepi3=mdcKalTrk4->charge(); 00218 if((m_chargepi2 + m_chargepi3) != 0) continue; 00220 HepVector a4 = mdcKalTrk4->getZHelix(); 00221 HepSymMatrix Ea4 = mdcKalTrk4->getZError(); 00222 VFHelix helixip3_4(point0,a4,Ea4); 00223 helixip3_4.pivot(IP); 00224 HepVector vecipa4 = helixip3_4.a(); 00225 00226 double dr4 = fabs(vecipa4[0]); 00227 double dz4 = fabs(vecipa4[3]); 00228 double costheta4 = cos(mdcKalTrk4->theta()); 00229 if ( dr4 >= 1.0) continue; 00230 if ( dz4 >= 10.0) continue; 00231 if ( fabs(costheta4) >= 0.93) continue; 00233 if(PID_flag == 5) { 00234 simple_pid->preparePID(*itTrk4); 00235 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00236 } 00238 WTrackParameter pip3(xmass[2],mdcKalTrk4->getZHelix(),mdcKalTrk4->getZError() ); 00239 00241 HepPoint3D vx(xorigin.x(), xorigin.y(), xorigin.z()); 00242 HepSymMatrix Evx(3, 0); 00243 double bx = 1E+6; Evx[0][0] = bx*bx; 00244 double by = 1E+6; Evx[1][1] = by*by; 00245 double bz = 1E+6; Evx[2][2] = bz*bz; 00246 VertexParameter vxpar; vxpar.setVx(vx); vxpar.setEvx(Evx); 00248 00249 VertexFit* vtxfit = VertexFit::instance(); 00250 vtxfit->init(); 00251 vtxfit->AddTrack(0, kam); 00252 vtxfit->AddTrack(1, pip1); 00253 vtxfit->AddTrack(2, pip2); 00254 vtxfit->AddTrack(3, pip3); 00255 vtxfit->AddVertex(0, vxpar, 0, 1, 2, 3); 00256 if(!vtxfit->Fit(0)) continue; 00257 vtxfit->Swim(0); 00258 00259 WTrackParameter wkam = vtxfit->wtrk(0); 00260 WTrackParameter wpip1 = vtxfit->wtrk(1); 00261 WTrackParameter wpip2 = vtxfit->wtrk(2); 00262 WTrackParameter wpip3 = vtxfit->wtrk(3); 00263 00264 HepVector kam_val = HepVector(7,0); 00265 HepVector pip1_val = HepVector(7,0); 00266 HepVector pip2_val = HepVector(7,0); 00267 HepVector pip3_val = HepVector(7,0); 00268 kam_val = wkam.w(); 00269 pip1_val = wpip1.w(); 00270 pip2_val = wpip2.w(); 00271 pip3_val = wpip3.w(); 00272 00273 HepLorentzVector P_KAM(kam_val[0],kam_val[1],kam_val[2],kam_val[3]); 00274 HepLorentzVector P_PIP1(pip1_val[0],pip1_val[1],pip1_val[2],pip1_val[3]); 00275 HepLorentzVector P_PIP2(pip2_val[0],pip2_val[1],pip2_val[2],pip2_val[3]); 00276 HepLorentzVector P_PIP3(pip3_val[0],pip3_val[1],pip3_val[2],pip3_val[3]); 00277 00278 P_KAM.boost(-0.011,0,0); 00279 P_PIP1.boost(-0.011,0,0); 00280 P_PIP2.boost(-0.011,0,0); 00281 P_PIP3.boost(-0.011,0,0); 00282 pddd = P_KAM + P_PIP1 + P_PIP2 + P_PIP3; 00283 00284 double pk3pi=pddd.rho(); 00285 00286 double temp1 = (ecms/2)*(ecms/2)-pk3pi*pk3pi ; 00287 if(temp1<0) temp1 =0; 00288 double mass_bc_tem = sqrt(temp1); 00289 if(mass_bc_tem < 1.82 || mass_bc_tem > 1.89) continue; 00290 00291 double delE_tag_tag = ecms/2-pddd.e(); 00292 00293 if(fabs(delE_tag_tag)<deltaE_tem) { 00294 deltaE_tem = fabs(delE_tag_tag); 00295 delE_tag_temp = delE_tag_tag; 00296 mass_bcgg = mass_bc_tem; 00297 00298 pddd_temp = pddd; 00299 cqtm_temp = m_chargek; 00300 00301 ika_temp=ika; 00302 ipi1_temp=ipi1; 00303 ipi2_temp=ipi2; 00304 ipi3_temp=ipi3; 00305 ncount1 = 1; 00306 00307 } 00308 } 00309 } 00310 } 00311 } 00312 00313 if(ncount1 == 1){ 00314 tagmode=13; 00315 if(cqtm_temp<0) tagmode=-13; 00316 tagmd=tagmode; 00317 mass_bc = mass_bcgg; 00318 delE_tag = delE_tag_temp; 00319 cqtm = -1.0*cqtm_temp; 00320 00321 iGoodtag.push_back(ika_temp); 00322 iGoodtag.push_back(ipi1_temp); 00323 iGoodtag.push_back(ipi2_temp); 00324 iGoodtag.push_back(ipi3_temp); 00325 00326 iGamtag.push_back(9999); 00327 iGamtag.push_back(9999); 00328 iGamtag.push_back(9999); 00329 iGamtag.push_back(9999); 00330 00331 ptag = pddd_temp; 00332 00333 k3pimd=true; 00334 00335 } 00336 }
double K3pi::cqtm [private] |
double K3pi::delE_tag [private] |
Vint K3pi::iGamtag [private] |
Vint K3pi::iGoodtag [private] |
bool K3pi::k3pimd [private] |
double K3pi::mass_bc [private] |
HepLorentzVector K3pi::ptag [private] |
double K3pi::tagmd [private] |