Skip to content

[PWGLF] Local polarization of Lambda induced by jets in Run3 pp collisions at 13.6 TeV #14359

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
romainschotter merged 1 commit into from
Dec 29, 2025
+13 −9
Merged

[PWGLF] Local polarization of Lambda induced by jets in Run3 pp collisions at 13.6 TeV #14359

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 13 additions & 9 deletions PWGLF/Tasks/Strangeness/lambdaJetpolarization.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,10 +85,10 @@ struct LambdaJetpolarization {
Configurable<float> ptMinV0Pion{"ptMinV0Pion", 0.1f, "pt min of pion from V0"};
Configurable<float> ptMaxV0Pion{"ptMaxV0Pion", 1.5f, "pt max of pion from V0"};

Configurable<float> nsigmaTPCmin{"nsigmaTPCmin", -5.0f, "Minimum nsigma TPC"};
Configurable<float> nsigmaTPCmax{"nsigmaTPCmax", +5.0f, "Maximum nsigma TPC"};
Configurable<float> nsigmaTOFmin{"nsigmaTOFmin", -5.0f, "Minimum nsigma TOF"};
Configurable<float> nsigmaTOFmax{"nsigmaTOFmax", +5.0f, "Maximum nsigma TOF"};
Configurable<float> nsigmaTPCmin{"nsigmaTPCmin", -4.0f, "Minimum nsigma TPC"};
Configurable<float> nsigmaTPCmax{"nsigmaTPCmax", +4.0f, "Maximum nsigma TPC"};
Configurable<float> nsigmaTOFmin{"nsigmaTOFmin", -4.0f, "Minimum nsigma TOF"};
Configurable<float> nsigmaTOFmax{"nsigmaTOFmax", +4.0f, "Maximum nsigma TOF"};
Configurable<double> cfgtrkMinPt{"cfgtrkMinPt", 0.10, "set track min pT"};

// v0 parameters
Expand All @@ -111,13 +111,13 @@ struct LambdaJetpolarization {

// v0Event selection
Configurable<bool> sel8{"sel8", 1, "Apply sel8 event selection"};
Configurable<bool> isTriggerTVX{"isTriggerTVX", 1, "TVX trigger"};
Configurable<bool> isTriggerTVX{"isTriggerTVX", 0, "TVX trigger"};
Configurable<bool> iscutzvertex{"iscutzvertex", 1, "Accepted z-vertex range (cm)"};
Configurable<bool> isNoTimeFrameBorder{"isNoTimeFrameBorder", 1, "TF border cut"};
Configurable<bool> isNoITSROFrameBorder{"isNoITSROFrameBorder", 1, "ITS ROF border cut"};
Configurable<bool> isVertexTOFmatched{"isVertexTOFmatched", 1, "Is Vertex TOF matched"};
Configurable<bool> isNoTimeFrameBorder{"isNoTimeFrameBorder", 0, "TF border cut"};
Configurable<bool> isNoITSROFrameBorder{"isNoITSROFrameBorder", 0, "ITS ROF border cut"};
Configurable<bool> isVertexTOFmatched{"isVertexTOFmatched", 0, "Is Vertex TOF matched"};
Configurable<bool> isNoSameBunchPileup{"isNoSameBunchPileup", 0, "isNoSameBunchPileup"};
Configurable<bool> isGoodZvtxFT0vsPV{"isGoodZvtxFT0vsPV", 1, "isGoodZvtxFT0vsPV"};
Configurable<bool> isGoodZvtxFT0vsPV{"isGoodZvtxFT0vsPV", 0, "isGoodZvtxFT0vsPV"};
Configurable<float> cutzvertex{"cutzvertex", 10.0f, "Accepted z-vertex range (cm)"};
Configurable<float> cTau{"cTau", 30, "C tau (cm)"};
Configurable<bool> requirepassedSingleTrackSelection{"requirepassedSingleTrackSelection", false, "requirepassedSingleTrackSelection"};
Expand Down Expand Up @@ -328,6 +328,8 @@ struct LambdaJetpolarization {
registryData.add("LambdaQA/TProfile1DprotonCos2ThetaInJetV0", "TProfile1DprotonCos2ThetaInJetV0", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile2DprotonCosThetaInJetV0", "TProfile2DprotonCosThetaInJetV0", kTProfile2D, {tprofile2DaxisMass, axisDeltaPhi});
registryData.add("LambdaQA/TProfile2DprotonCos2ThetaInJetV0", "TProfile2DprotonCos2ThetaInJetV0", kTProfile2D, {tprofile2DaxisMass, axisDeltaPhi});
registryData.add("LambdaQA/TH1FprotonCosThetaInJetV0", "TH1FprotonCosThetaInJetV0", kTH1F, {{200, -1.0, 1.0}});
registryData.add("LambdaQA/TH2FprotonCosThetaPhiInJetV0", "TH2FprotonCosThetaPhiInJetV0", kTH2F, {{200, -1.0, 1.0}, {200, 0.0, TMath::Pi()}});

registryData.add("hNEvents", "hNEvents", {HistType::kTH1D, {{10, 0.f, 10.f}}});
registryData.get<TH1>(HIST("hNEvents"))->GetXaxis()->SetBinLabel(1, "all");
Expand Down Expand Up @@ -1945,6 +1947,8 @@ struct LambdaJetpolarization {
registryData.fill(HIST("LambdaQA/TProfile1DprotonCos2ThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame * protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile2DprotonCosThetaInJetV0"), candidate.mLambda(), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile2DprotonCos2ThetaInJetV0"), candidate.mLambda(), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), protonCosThetaInJetV0frame * protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TH1FprotonCosThetaInJetV0"), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TH2FprotonCosThetaPhiInJetV0"), protonCosThetaInJetV0frame, TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)));
}
if (registryDataAcceptV0AntiLambda(candidate, pos, neg, collision)) {
registryData.fill(HIST("hMassAntiLambda"), candidate.mAntiLambda());
Expand Down
Loading