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[PWGLF] adding rapidity dependent polarization #12927

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Merged
romainschotter merged 1 commit into from
Sep 11, 2025
Merged

[PWGLF] adding rapidity dependent polarization #12927

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8 changes: 8 additions & 0 deletions PWGLF/Tasks/Strangeness/lambdapolarization.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,8 @@
if (cfgRapidityDep) {
histos.add(Form("psi%d/h_lambda_cos2_rap", i), "", {HistType::kTHnSparseF, {massAxis, ptAxis, cosAxis, centAxis, RapAxis}});
histos.add(Form("psi%d/h_alambda_cos2_rap", i), "", {HistType::kTHnSparseF, {massAxis, ptAxis, cosAxis, centAxis, RapAxis}});
histos.add(Form("psi%d/h_lambda_cos_rap", i), "", {HistType::kTHnSparseF, {massAxis, ptAxis, cosAxis, centAxis, RapAxis}});
histos.add(Form("psi%d/h_alambda_cos_rap", i), "", {HistType::kTHnSparseF, {massAxis, ptAxis, cosAxis, centAxis, RapAxis}});
}

histos.add(Form("psi%d/h_lambda_cossin", i), "", {HistType::kTHnSparseF, {massAxis, ptAxis, cosAxis, centAxis}});
Expand Down Expand Up @@ -497,20 +499,20 @@
QvecRefBInd = RefBId * 4 + 3 + (nmode - 2) * cfgNQvec * 4;
for (int ishift = 1; ishift <= 10; ishift++) {
if (nmode == 2) {
histos.fill(HIST("psi2/ShiftFIT"), centrality, 0.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecDetInd], collision.qvecRe()[QvecDetInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi2/ShiftFIT"), centrality, 1.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecDetInd], collision.qvecRe()[QvecDetInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi2/ShiftFIT"), centrality, 2.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefAInd], collision.qvecRe()[QvecRefAInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi2/ShiftFIT"), centrality, 3.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefAInd], collision.qvecRe()[QvecRefAInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi2/ShiftFIT"), centrality, 4.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefBInd], collision.qvecRe()[QvecRefBInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi2/ShiftFIT"), centrality, 5.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefBInd], collision.qvecRe()[QvecRefBInd]) / static_cast<float>(nmode)));

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} else if (nmode == 3) {
histos.fill(HIST("psi3/ShiftFIT"), centrality, 0.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecDetInd], collision.qvecRe()[QvecDetInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi3/ShiftFIT"), centrality, 1.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecDetInd], collision.qvecRe()[QvecDetInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi3/ShiftFIT"), centrality, 2.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefAInd], collision.qvecRe()[QvecRefAInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi3/ShiftFIT"), centrality, 3.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefAInd], collision.qvecRe()[QvecRefAInd]) / static_cast<float>(nmode)));

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histos.fill(HIST("psi3/ShiftFIT"), centrality, 4.5, ishift - 0.5, TMath::Sin(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefBInd], collision.qvecRe()[QvecRefBInd]) / static_cast<float>(nmode)));
histos.fill(HIST("psi3/ShiftFIT"), centrality, 5.5, ishift - 0.5, TMath::Cos(ishift * static_cast<float>(nmode) * TMath::ATan2(collision.qvecIm()[QvecRefBInd], collision.qvecRe()[QvecRefBInd]) / static_cast<float>(nmode)));
Expand Down Expand Up @@ -754,6 +756,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi2/h_lambda_cos2_rap"), v0.mLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi2/h_lambda_cos_rap"), v0.mLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand Down Expand Up @@ -803,6 +806,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi2/h_alambda_cos2_rap"), v0.mAntiLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi2/h_alambda_cos_rap"), v0.mAntiLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand Down Expand Up @@ -853,6 +857,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi3/h_lambda_cos2_rap"), v0.mLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi3/h_lambda_cos_rap"), v0.mLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand All @@ -868,6 +873,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi3/h_alambda_cos2_rap"), v0.mAntiLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi3/h_alambda_cos_rap"), v0.mAntiLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand All @@ -884,6 +890,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi4/h_lambda_cos2_rap"), v0.mLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi4/h_lambda_cos_rap"), v0.mLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand All @@ -899,6 +906,7 @@

if (cfgRapidityDep) {
histos.fill(HIST("psi4/h_alambda_cos2_rap"), v0.mAntiLambda(), v0.pt(), angle * angle, centrality, v0.yLambda(), weight);
histos.fill(HIST("psi4/h_alambda_cos_rap"), v0.mAntiLambda(), v0.pt(), angle * weight, centrality, v0.yLambda());
}

if (cfgAccAzimuth) {
Expand Down
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