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[PWGEM/Dilepton] fix phi position range #15417

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Merged
dsekihat merged 2 commits into from
Mar 16, 2026
Merged

[PWGEM/Dilepton] fix phi position range #15417

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830fa2e
PWGEM/Dilepton: fix phi position range
dsekihat Mar 16, 2026
f348655
Fix formatting in DielectronCut.h
dsekihat Mar 16, 2026
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2 changes: 2 additions & 0 deletions PWGEM/Dilepton/Core/DielectronCut.h
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Original file line number Diff line number Diff line change
Expand Up @@ -416,6 +416,7 @@ class DielectronCut : public TNamed

case DielectronCuts::kTrackPhiPositionRange: {
float phiPosition = track.phi() + std::asin(-0.30282 * track.sign() * (mBz * 0.1) * mRefR / (2.f * track.pt()));
phiPosition = RecoDecay::constrainAngle(phiPosition, 0, 1U); // 0-2pi

if (mMinTrackPhiPosition < 0.f && mMaxTrackPhiPosition < M_PI) { // threshold across 0 rad.
o2::math_utils::bringToPMPi(phiPosition);
Expand All @@ -429,6 +430,7 @@ class DielectronCut : public TNamed
} else {
o2::math_utils::bringTo02Pi(phiPosition);
bool isInAcc = mMinTrackPhiPosition < phiPosition && phiPosition < mMaxTrackPhiPosition;

bool isInAccMirrored = false;
if (mMirrorTrackPhi) {
isInAccMirrored = mMinTrackPhiPosition + M_PI < phiPosition && phiPosition < mMaxTrackPhiPosition + M_PI;
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