[PWGEM/Dilepton] fix dphi range in SCT

Author: dsekihat

PWGEM/Dilepton/Utils/SemiCharmTag.h

@@ -175,8 +175,8 @@ LHPair makePairLeptonTrack(TFitter& fitter, TCollision const& collision, TLepton
   pair.mass = v12.M();
   pair.pt = v12.Pt();
   pair.p = v12.P();
-  pair.deta = v1.Eta() - v2.Eta();                                                                                                               // lepton - hadron
-  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI / 2, 1U); // lepton - hadron
+  pair.deta = v1.Eta() - v2.Eta();                                                                                                           // lepton - hadron
+  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI, 1U); // lepton - hadron
   pair.isOK = true;
   return pair;
 }
@@ -302,8 +302,8 @@ LHPair makePairLeptonV0(TFitter& fitter, TCollision const& collision, TLepton co
   pair.mass = v12.M();
   pair.pt = v12.Pt();
   pair.p = v12.P();
-  pair.deta = v1.Eta() - v2.Eta();                                                                                                               // lepton - hadron
-  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI / 2, 1U); // lepton - hadron
+  pair.deta = v1.Eta() - v2.Eta();                                                                                                           // lepton - hadron
+  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI, 1U); // lepton - hadron
   pair.isOK = true;
 
   return pair;
@@ -434,8 +434,8 @@ LHPair makePairLeptonCascade(TFitter& fitter, TCollision const& collision, TLept
   pair.mass = v12.M();
   pair.pt = v12.Pt();
   pair.p = v12.P();
-  pair.deta = v1.Eta() - v2.Eta();                                                                                                               // lepton - hadron
-  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI / 2, 1U); // lepton - hadron
+  pair.deta = v1.Eta() - v2.Eta();                                                                                                           // lepton - hadron
+  pair.dphi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(v1.Phi(), 0, 1U) - RecoDecay::constrainAngle(v2.Phi(), 0, 1U), -M_PI, 1U); // lepton - hadron
   pair.isOK = true;
 
   return pair;