Merge pull request #194 from brownd1978/qfix

Fix sign bug
KFTrack · Sep 18, 2024 · 3b2e0b7 · 3b2e0b7
2 parents 47f4701 + 3fef8b2
commit 3b2e0b7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Trajectory/LoopHelix.hh b/Trajectory/LoopHelix.hh
@@ -79,7 +79,7 @@ namespace KinKal {
       double momentumVariance(double time=0) const;
       double positionVariance(double time,MomBasis::Direction dir) const;
       PMAT planeCovariance(double time,Plane const& plane) const;
-      double energy(double time=0) const  { return  ebar()*Q(); }
+      double energy(double time=0) const  { return  fabs(ebar()*Q()); }
       VEC3 direction(double time, MomBasis::Direction mdir= MomBasis::momdir_) const;
       double mass() const { return mass_;} // mass
       int charge() const { return charge_;} // charge in proton charge units