#include <K0pipi.h>
Public Member Functions | |
K0pipi () | |
~K0pipi () | |
bool | Getk0pipimd () |
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 | k0pipimd |
double | tagmd |
double | mass_bc |
double | cqtm |
double | delE_tag |
Vint | iGoodtag |
HepLorentzVector | ptag |
Vint | iGamtag |
Definition at line 20 of file K0pipi.h.
K0pipi::K0pipi | ( | ) |
K0pipi::~K0pipi | ( | ) |
double K0pipi::GetCQtm | ( | ) | [inline] |
Definition at line 30 of file K0pipi.h.
References cqtm.
Referenced by Sing::Mdset().
00030 { return cqtm; }
double K0pipi::GetdelE_tag | ( | ) | [inline] |
Definition at line 31 of file K0pipi.h.
References delE_tag.
Referenced by Sing::Mdset().
00031 { return delE_tag; }
bool K0pipi::Getk0pipimd | ( | ) | [inline] |
Definition at line 27 of file K0pipi.h.
References k0pipimd.
Referenced by Sing::Mdset().
00027 { return k0pipimd; }
double K0pipi::Getmass_bc | ( | ) | [inline] |
Definition at line 29 of file K0pipi.h.
References mass_bc.
Referenced by Sing::Mdset().
00029 { return mass_bc; }
Vint K0pipi::GettagGam1 | ( | ) | [inline] |
Definition at line 34 of file K0pipi.h.
References iGamtag.
Referenced by Sing::Mdset().
00034 { return iGamtag; }
double K0pipi::Gettagmd | ( | ) | [inline] |
Definition at line 28 of file K0pipi.h.
References tagmd.
Referenced by Sing::Mdset().
00028 { return tagmd; }
HepLorentzVector K0pipi::Gettagp1 | ( | ) | [inline] |
Definition at line 33 of file K0pipi.h.
References ptag.
Referenced by Sing::Mdset().
00033 { return ptag; }
Vint K0pipi::Gettagtrk1 | ( | ) | [inline] |
Definition at line 32 of file K0pipi.h.
References iGoodtag.
Referenced by Sing::Mdset().
00032 { return iGoodtag; }
void K0pipi::MTotal | ( | double | event, | |
SmartDataPtr< EvtRecTrackCol > | evtRecTrkCol, | |||
Vint | iGood, | |||
Vint | iGam, | |||
double | Ebeam, | |||
int | PID_flag, | |||
int | Charge_candidate_D | |||
) |
Definition at line 34 of file K0pipi.cxx.
References VFHelix::a(), TrackPool::AddTrack(), VertexFit::AddVertex(), VertexFit::BuildVirtualParticle(), DstMdcKalTrack::charge(), SecondVertexFit::chisq(), cos(), cqtm, SecondVertexFit::decayLength(), delE_tag, ecms, EventModel::EvtRec::EvtRecEvent, SecondVertexFit::Fit(), VertexFit::Fit(), RecMdcKalTrack::getZError(), RecMdcKalTrack::getZHelix(), genRecEmupikp::i, iGamtag, iGoodtag, SecondVertexFit::init(), VertexFit::init(), SecondVertexFit::instance(), VertexFit::instance(), IVertexDbSvc::isVertexValid(), ganga-rec::j, k0pipimd, mass_bc, SecondVertexFit::p4par(), DstMdcKalTrack::pion, VFHelix::pivot(), ISimplePIDSvc::preparePID(), IVertexDbSvc::PrimaryVertex(), ISimplePIDSvc::probKaon(), ISimplePIDSvc::probPion(), ptag, runNo, VertexParameter::setEvx(), DstMdcKalTrack::setPidType(), SecondVertexFit::setPrimaryVertex(), SecondVertexFit::setVpar(), VertexParameter::setVx(), IVertexDbSvc::SigmaPrimaryVertex(), VertexFit::Swim(), tagmd, DstMdcKalTrack::theta(), VertexFit::vpar(), WTrackParameter::w(), SecondVertexFit::wpar(), VertexFit::wtrk(), VertexFit::wVirtualTrack(), and xmass.
Referenced by Sing::Mdset().
00036 { 00037 00038 int nGood=iGood.size(); 00039 int nGam=iGam.size(); 00040 00041 iGoodtag.clear(); 00042 iGamtag.clear(); 00043 00044 double mass_bcgg,delE_tag_temp; 00045 int m_chargetag,m_chargepi1,m_chargepi2,m_chargepi3,m_chargepi4; 00046 int ipi1_temp,ipi2_temp,ipi3_temp,ipi4_temp; 00047 HepLorentzVector pddd; 00048 HepLorentzVector pddd_temp; 00049 00050 IDataProviderSvc* eventSvc = NULL; 00051 Gaudi::svcLocator()->service("EventDataSvc", eventSvc); 00052 SmartDataPtr<EvtRecEvent> evtRecEvent(eventSvc,EventModel::EvtRec::EvtRecEvent); 00053 SmartDataPtr<Event::EventHeader> eventHeader(eventSvc,"/Event/EventHeader"); 00054 00055 int runNo=eventHeader->runNumber(); 00056 int rec=eventHeader->eventNumber(); 00057 00058 double xecm=2*Ebeam; 00059 00060 k0pipimd=false; 00061 double tagmode=0; 00062 00063 if((evtRecEvent->totalCharged() < 4)){ return; } 00064 00065 double ecms = xecm; 00066 00067 ISimplePIDSvc* simple_pid; 00068 Gaudi::svcLocator()->service("SimplePIDSvc", simple_pid); 00069 00070 double deltaE_tem = 0.20; 00071 int ncount1 = 0; 00072 00073 Hep3Vector xorigin(0,0,0); 00074 HepSymMatrix xoriginEx(3,0); 00075 IVertexDbSvc* vtxsvc; 00076 Gaudi::svcLocator()->service("VertexDbSvc", vtxsvc); 00077 if(vtxsvc->isVertexValid()) 00078 { 00079 double* dbv = vtxsvc->PrimaryVertex(); 00080 double* vv = vtxsvc->SigmaPrimaryVertex(); 00081 xorigin.setX(dbv[0]); 00082 xorigin.setY(dbv[1]); 00083 xorigin.setZ(dbv[2]); 00084 00085 xoriginEx[0][0] = vv[0] * vv[0]; 00086 xoriginEx[1][1] = vv[1] * vv[1]; 00087 xoriginEx[2][2] = vv[2] * vv[2]; 00088 00089 } 00090 00091 double xv=xorigin.x(); 00092 double yv=xorigin.y(); 00093 double zv=xorigin.z(); 00094 00095 HepPoint3D point0(0.,0.,0.); 00096 HepPoint3D IP(xorigin[0],xorigin[1],xorigin[2]); 00098 00099 for(int i = 0; i < evtRecEvent->totalCharged(); i++) { 00100 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + i; 00101 00102 int ipi1= (*itTrk)->trackId(); 00103 00104 if(!(*itTrk)->isMdcKalTrackValid()) continue; 00105 RecMdcKalTrack* mdcKalTrk1 = (*itTrk)->mdcKalTrack(); 00106 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00107 00108 m_chargepi1=mdcKalTrk1->charge(); 00109 if(m_chargepi1 != 1) continue; 00110 00112 HepVector a1 = mdcKalTrk1->getZHelix(); 00113 HepSymMatrix Ea1 = mdcKalTrk1->getZError(); 00114 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 00123 if ( dr1 >= 15.0) continue; 00124 if ( dz1 >= 25.0) continue; 00125 if ( fabs(costheta1) >= 0.93) continue; 00127 WTrackParameter pip1(xmass[2],mdcKalTrk1->getZHelix(),mdcKalTrk1->getZError() ); 00128 00129 // 00130 // select pi2 00131 // 00132 for(int j = 0; j < evtRecEvent->totalCharged(); j++) { 00133 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + j; 00134 00135 int ipi2= (*itTrk)->trackId(); 00136 if(ipi1==ipi2) continue; 00137 00138 if(!(*itTrk)->isMdcKalTrackValid()) continue; 00139 RecMdcKalTrack* mdcKalTrk2 = (*itTrk)->mdcKalTrack(); 00140 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00141 00142 m_chargepi2=mdcKalTrk2->charge(); 00143 if((m_chargepi2 + m_chargepi1) != 0) continue; 00144 00146 HepVector a2 = mdcKalTrk2->getZHelix(); 00147 HepSymMatrix Ea2 = mdcKalTrk2->getZError(); 00148 VFHelix helixip3_2(point0,a2,Ea2); 00149 helixip3_2.pivot(IP); 00150 HepVector vecipa2 = helixip3_2.a(); 00151 00152 double dr2 = fabs(vecipa2[0]); 00153 double dz2 = fabs(vecipa2[3]); 00154 double costheta2 = cos(mdcKalTrk2->theta()); 00155 if ( dr2 >= 15.0) continue; 00156 if ( dz2 >= 25.0) continue; 00157 if ( fabs(costheta2) >= 0.93) continue; 00159 WTrackParameter pim1(xmass[2],mdcKalTrk2->getZHelix(),mdcKalTrk2->getZError() ); 00160 00161 00162 HepVector pip1_val = HepVector(7,0); 00163 HepVector pim1_val = HepVector(7,0); 00164 pip1_val = pip1.w(); 00165 pim1_val = pim1.w(); 00166 HepLorentzVector ptrktagk0(pip1_val[0]+pim1_val[0],pip1_val[1]+pim1_val[1],pip1_val[2]+pim1_val[2],pip1_val[3]+pim1_val[3]); 00167 if(fabs(ptrktagk0.m()-0.498)>0.1) continue; 00168 00169 HepPoint3D vx(xorigin.x(), xorigin.y(), xorigin.z()); 00170 HepSymMatrix Evx(3, 0); 00171 double bx = 1E+6; Evx[0][0] = bx*bx; 00172 double by = 1E+6; Evx[1][1] = by*by; 00173 double bz = 1E+6; Evx[2][2] = bz*bz; 00174 VertexParameter vxpar; vxpar.setVx(vx); vxpar.setEvx(Evx); 00175 00176 VertexFit *vtxfit0 = VertexFit::instance(); 00177 vtxfit0->init(); 00178 vtxfit0->AddTrack(0, pip1); 00179 vtxfit0->AddTrack(1, pim1); 00180 vtxfit0->AddVertex(0, vxpar, 0, 1); 00181 if(!(vtxfit0->Fit(0))) continue; 00182 vtxfit0->Swim(0); 00183 vtxfit0->BuildVirtualParticle(0); 00184 WTrackParameter wksp = vtxfit0->wtrk(0); 00185 WTrackParameter wksm = vtxfit0->wtrk(1); 00186 WTrackParameter wks_Trk = vtxfit0->wVirtualTrack(0); 00187 VertexParameter wks_var = vtxfit0->vpar(0); 00188 00189 // 00190 //select pi3 00191 // 00192 for(int k = 0; k < evtRecEvent->totalCharged(); k++) { 00193 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + k; 00194 00195 int ipi3= (*itTrk)->trackId(); 00196 if(ipi2==ipi3 || ipi1==ipi3) continue; 00197 00198 if(!(*itTrk)->isMdcKalTrackValid()) continue; 00199 RecMdcKalTrack* mdcKalTrk3 = (*itTrk)->mdcKalTrack(); 00200 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00201 00202 m_chargepi3=mdcKalTrk3->charge(); 00203 if((m_chargepi3) != 1) continue; 00204 00206 HepVector a3 = mdcKalTrk3->getZHelix(); 00207 HepSymMatrix Ea3 = mdcKalTrk3->getZError(); 00208 VFHelix helixip3_3(point0,a3,Ea3); 00209 helixip3_3.pivot(IP); 00210 HepVector vecipa3 = helixip3_3.a(); 00211 00212 double dr3 = fabs(vecipa3[0]); 00213 double dz3 = fabs(vecipa3[3]); 00214 double costheta3 = cos(mdcKalTrk3->theta()); 00215 if ( dr3 >= 1.0) continue; 00216 if ( dz3 >= 10.0) continue; 00217 if ( fabs(costheta3) >= 0.93) continue; 00219 if(PID_flag == 5) { 00220 simple_pid->preparePID(*itTrk); 00221 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00222 } 00224 WTrackParameter pip2(xmass[2],mdcKalTrk3->getZHelix(),mdcKalTrk3->getZError() ); 00225 00226 // 00227 //select pi4 00228 // 00229 for(int l = 0; l< evtRecEvent->totalCharged(); l++) { 00230 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + l; 00231 00232 int ipi4= (*itTrk)->trackId(); 00233 if(ipi4==ipi3 || ipi4==ipi2 || ipi4 ==ipi1) continue; 00234 00235 if(!(*itTrk)->isMdcKalTrackValid()) continue; 00236 RecMdcKalTrack* mdcKalTrk4 = (*itTrk)->mdcKalTrack(); 00237 RecMdcKalTrack::setPidType(RecMdcKalTrack::pion); 00238 00239 m_chargepi4=mdcKalTrk4->charge(); 00240 if((m_chargepi4 + m_chargepi3) != 0) continue; 00241 00243 HepVector a4 = mdcKalTrk4->getZHelix(); 00244 HepSymMatrix Ea4 = mdcKalTrk4->getZError(); 00245 VFHelix helixip3_4(point0,a4,Ea4); 00246 helixip3_4.pivot(IP); 00247 HepVector vecipa4 = helixip3_4.a(); 00248 00249 double dr4 = fabs(vecipa4[0]); 00250 double dz4 = fabs(vecipa4[3]); 00251 double costheta4 = cos(mdcKalTrk4->theta()); 00252 if ( dr4 >= 1.0) continue; 00253 if ( dz4 >= 10.0) continue; 00254 if ( fabs(costheta4) >= 0.93) continue; 00256 if(PID_flag == 5) { 00257 simple_pid->preparePID(*itTrk); 00258 if(simple_pid->probPion() < 0.0 || simple_pid->probPion() < simple_pid->probKaon()) continue; 00259 } 00261 WTrackParameter pim2(xmass[2],mdcKalTrk4->getZHelix(),mdcKalTrk4->getZError() ); 00262 00263 // all loop for the charged tracks overed here !!!!!!! 00264 00265 VertexFit* vtxfit_2 = VertexFit::instance(); 00266 vtxfit_2->init(); 00267 vtxfit_2->AddTrack(0, pip2); 00268 vtxfit_2->AddTrack(1, pim2); 00269 vtxfit_2->AddVertex(0, vxpar, 0, 1); 00270 if(!vtxfit_2->Fit(0)) continue; 00271 vtxfit_2->Swim(0); 00272 00273 WTrackParameter wpip2 = vtxfit_2->wtrk(0); 00274 WTrackParameter wpim2 = vtxfit_2->wtrk(1); 00275 00276 SecondVertexFit *vtxfit = SecondVertexFit::instance(); 00277 vtxfit->init(); 00278 vxpar.setEvx(xoriginEx); 00279 vtxfit->setPrimaryVertex(vxpar); 00280 vtxfit->AddTrack(0, wks_Trk); 00281 vtxfit->setVpar(wks_var); 00282 if(!vtxfit->Fit()) continue; 00283 00284 if(vtxfit->chisq() >999.) continue; 00285 if(vtxfit->decayLength()<0.0) continue; 00286 00287 double m_massks1_tem = vtxfit->p4par().m(); 00288 if(m_massks1_tem < 0.485 || m_massks1_tem > 0.515) continue; 00289 HepLorentzVector p4kstag = vtxfit->p4par(); 00290 WTrackParameter para_ks = vtxfit0->wVirtualTrack(0); 00291 WTrackParameter wksz = vtxfit->wpar(); 00292 00293 HepVector pip2_val = HepVector(7,0); 00294 HepVector pim2_val = HepVector(7,0); 00295 HepVector ksp_val = HepVector(7,0); 00296 HepVector ksm_val = HepVector(7,0); 00297 00298 pip2_val = wpip2.w(); 00299 pim2_val = wpim2.w(); 00300 ksp_val = wksp.w(); 00301 ksm_val = wksm.w(); 00302 00303 HepLorentzVector P_PIP2(pip2_val[0],pip2_val[1],pip2_val[2],pip2_val[3]); 00304 HepLorentzVector P_PIM2(pim2_val[0],pim2_val[1],pim2_val[2],pim2_val[3]); 00305 HepLorentzVector P_KSP(ksp_val[0],ksp_val[1],ksp_val[2],ksp_val[3]); 00306 HepLorentzVector P_KSM(ksm_val[0],ksm_val[1],ksm_val[2],ksm_val[3]); 00307 00308 p4kstag.boost(-0.011,0,0); 00309 P_PIP2.boost(-0.011,0,0); 00310 P_PIM2.boost(-0.011,0,0); 00311 P_KSP.boost(-0.011,0,0); 00312 P_KSM.boost(-0.011,0,0); 00313 //pddd = P_KSP + P_KSM + P_PIP2 + P_PIM2; 00314 pddd = p4kstag + P_PIP2 + P_PIM2; 00315 00316 double pk0pipi=pddd.rho(); 00317 00318 double temp1 = (ecms/2)*(ecms/2)-pk0pipi*pk0pipi ; 00319 if(temp1<0) temp1 =0; 00320 double mass_bc_tem = sqrt(temp1); 00321 if(mass_bc_tem < 1.82 || mass_bc_tem > 1.89) continue; 00322 00323 double delE_tag_tag = ecms/2-pddd.e(); 00324 00325 if(fabs(delE_tag_tag)<deltaE_tem){ 00326 deltaE_tem = fabs(delE_tag_tag); 00327 delE_tag_temp = delE_tag_tag; 00328 mass_bcgg = mass_bc_tem; 00329 00330 pddd_temp = pddd; 00331 00332 ipi1_temp=ipi1; 00333 ipi2_temp=ipi2; 00334 ipi3_temp=ipi3; 00335 ipi4_temp=ipi4; 00336 00337 ncount1 = 1; 00338 00339 } 00340 } 00341 } 00342 } 00343 } 00344 00345 00346 if(ncount1 == 1){ 00347 tagmode=14; 00348 if(m_chargetag<0) tagmode=-14; 00349 tagmd=tagmode; 00350 mass_bc = mass_bcgg; 00351 delE_tag = delE_tag_temp; 00352 cqtm = 0.0; 00353 00354 iGoodtag.push_back(ipi1_temp); 00355 iGoodtag.push_back(ipi2_temp); 00356 iGoodtag.push_back(ipi3_temp); 00357 iGoodtag.push_back(ipi4_temp); 00358 iGamtag.push_back(9999); 00359 iGamtag.push_back(9999); 00360 iGamtag.push_back(9999); 00361 iGamtag.push_back(9999); 00362 00363 ptag = pddd_temp; 00364 00365 k0pipimd=true; 00366 } 00367 00368 }
double K0pipi::cqtm [private] |
double K0pipi::delE_tag [private] |
Vint K0pipi::iGamtag [private] |
Vint K0pipi::iGoodtag [private] |
bool K0pipi::k0pipimd [private] |
double K0pipi::mass_bc [private] |
HepLorentzVector K0pipi::ptag [private] |
double K0pipi::tagmd [private] |