Bool_t KVINDRABackwardGroupReconstructor::CoherencyChIoCsI(KVReconstructedNucleus& PART)
{
// Called by Identify() for particles stopping in CsI detectors on rings 10-17,
// which have a ChIo detector just in front of them.
//
// fPileupChIo = kTRUE if ChIo-CsI identification gives Z >> CsI-R/L identification
// this means that the particle identified in CsI-R/L is correct,
// and there is probably a second particle which stopped in the ChIo
// detector at the same time (will be added as a Zmin/code5)
KVIdentificationResult* IDcsi = PART.GetIdentificationResult(1);
KVIdentificationResult* IDcicsi = PART.GetIdentificationResult(2);
KVIDTelescope* idt_cicsi = (KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDcicsi->GetType());
KVIDTelescope* idt_csi = (KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDcsi->GetType());
PART.SetParameter("PileupChIo", kFALSE);
// Unsuccessful/no CsI id attempt with successful ChIo-CsI id ?
// Then use ChIo-CsI identification result
if (IDcsi && !IDcsi->IDOK) {
if (IDcicsi && IDcicsi->IDOK) {
partID = *IDcicsi;
identifying_telescope = idt_cicsi;
return kTRUE;
}
}
// check coherency of CsI-R/L and ChIo-CsI identifications
if (IDcsi && IDcsi->IDOK) {
// We check the coherency of the identifications
// Because ChIo-Csi identification is not of very high quality (compared to CsI R-L),
// we only check that the Z given by ChIo-CsI is < Zref+1
// If not, we can suspect the presence of another particle in the ChIo
if (IDcicsi && IDcicsi->IDOK) {
Int_t Zref = IDcsi->Z;
if (IDcicsi->Z > (Zref + 1) && PART.GetParameters()->GetBoolValue("UseFullChIoEnergyForCalib")) {
PART.SetParameter("PileupChIo", kTRUE);
IDcicsi->SetComment("Possible pile-up in ChIo");
}
}
// in all other cases accept CsI identification
partID = *IDcsi;
identifying_telescope = idt_csi;
return kTRUE;
}
return kFALSE;
}
Bool_t KVINDRAEtalonGroupReconstructor::CoherencyEtalons(KVReconstructedNucleus& PART)
{
// Called by Identify() for particles stopping in etalon modules of Rings 10-17.
KVIdentificationResult* IDcsi, *IDsilicsi, *IDsi75sili, *IDcisi75, *IDcicsi;
IDcsi = IDsilicsi = IDsi75sili = IDcisi75 = IDcicsi = nullptr;
if (PART.GetStoppingDetector()->IsType("CSI")) {
IDcsi = PART.GetIdentificationResult("CSI_R_L");
IDcicsi = PART.GetIdentificationResult("CI_CSI");
IDsilicsi = PART.GetIdentificationResult("SILI_CSI");
}
IDsi75sili = PART.GetIdentificationResult("SI75_SILI");
IDcisi75 = PART.GetIdentificationResult("CI_SI75");
PART.SetParameter("PileupChIo", kFALSE);
PART.SetParameter("IncludeEtalonsInCalibration", kTRUE);
Bool_t haveCsI = IDcsi && IDcsi->IDOK;
Bool_t haveSiLiCsI = IDsilicsi && IDsilicsi->IDOK;
Bool_t haveSi75SiLi = IDsi75sili && IDsi75sili->IDOK;
Bool_t haveChIoSi75 = IDcisi75 && IDcisi75->IDOK;
KVIDTelescope* idt_csi, *idt_silicsi, *idt_si75sili, *idt_cisi75, *idt_cicsi;
idt_csi = idt_silicsi = idt_si75sili = idt_cisi75 = idt_cicsi = nullptr;
if (PART.GetStoppingDetector()->IsType("CSI")) {
idt_csi =
(KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDcsi->GetType());
idt_silicsi =
(KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDsilicsi->GetType());
idt_cicsi =
(KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDcicsi->GetType());
}
idt_si75sili = (KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDsi75sili->GetType());
idt_cisi75 = (KVIDTelescope*)PART.GetReconstructionTrajectory()->GetIDTelescopes()->FindObjectByType(IDcisi75->GetType());
// Treat cases where particle hit etalon telescope
if (idt_csi) {
if (haveCsI) {
partID = *IDcsi;
identifying_telescope = idt_csi;
if (haveSi75SiLi) {
// check for heavy fragment in Si75-SiLi
if (IDsi75sili->Z > partID.Z) {
if (haveChIoSi75) {
// check we don't have a better identification in ChIo-Si75
if (IDcisi75->IDquality < IDsi75sili->IDquality && IDcisi75->Z > partID.Z) {
PART.SetParameter("PileupSi75", kTRUE);
IDcisi75->SetComment("CsI identification with another particle stopped in Si75");
PART.SetParameter("UseFullChIoEnergyForCalib", kFALSE); // calculate ChIo energy for this particle
}
else {
PART.SetParameter("PileupSiLi", kTRUE);
IDsi75sili->SetComment("CsI identification with another particle stopped in SiLi");
PART.SetParameter("UseFullChIoEnergyForCalib", kFALSE); // calculate ChIo energy for this particle
}
}
}
}
else if (haveChIoSi75) {
// check for heavy fragment in ChIo-Si75
if (IDcisi75->Z > partID.Z) {
PART.SetParameter("PileupSi75", kTRUE);
IDcisi75->SetComment("CsI identification with another particle stopped in Si75");
PART.SetParameter("UseFullChIoEnergyForCalib", kFALSE); // calculate ChIo energy for this particle
}
}
return kTRUE;
}
else if (haveSiLiCsI) {
partID = *IDsilicsi;
identifying_telescope = idt_silicsi;
if (haveChIoSi75) {
// check for heavy fragment in ChIo-Si75
if (IDcisi75->Z > partID.Z) {
PART.SetParameter("PileupSi75", kTRUE);
IDcisi75->SetComment("CsI identification with another particle stopped in Si75");
PART.SetParameter("UseFullChIoEnergyForCalib", kFALSE); // calculate ChIo energy for this particle
}
}
return kTRUE;
}
}
else if (PART.GetStoppingDetector()->IsType("SILI")) {
if (haveSi75SiLi) {
partID = *IDsi75sili;
identifying_telescope = idt_si75sili;
// check ChIo-Si75 id is coherent (either no id or Z<=this one)
if (haveChIoSi75) {
if (IDcisi75->Z > partID.Z) PART.SetParameter("PileupChIo", kTRUE);
}
return kTRUE;
}
else if (haveChIoSi75) {
partID = *IDcisi75;
identifying_telescope = idt_cisi75;
return kTRUE;
}
}
else if (PART.GetStoppingDetector()->IsType("SI75")) { // MFR march 2014 SiLi is not the real stopping detector
if (haveChIoSi75) {
partID = *IDcisi75;
identifying_telescope = idt_cisi75;
return kTRUE;
} // end MFR march 2014
}
return kFALSE;
}