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fix target track z0/tanlambda bug #1008

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Sep 6, 2023
Merged

fix target track z0/tanlambda bug #1008

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2 changes: 1 addition & 1 deletion tracking/src/main/java/org/hps/recon/tracking/TrackUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -789,7 +789,7 @@ public static BaseTrackState getTrackExtrapAtTargetRK(Track track, double target
double[] params = getParametersFromPointAndMomentum(finalPos, momTrans, (int) charge, bFieldY);
BaseTrackState bts = new BaseTrackState(params, bFieldY);
//reference point is set to track position in X Y Z
bts.setReferencePoint(finalPos.v());
bts.setReferencePoint(new double[]{finalPos.x(), finalPos.y(), 0.0});
//Define new reference point, to which track parameters are calc wrt
double[] newRef = {target_z, beamPosition[0], beamPosition[1]};
params = getParametersAtNewRefPoint(newRef, bts);
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