phiprojder bug fix (#116)

cms-L1TK · Jul 8, 2022 · 42f9d84 · 42f9d84
1 parent 724cbbc
commit 42f9d84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/L1Trigger/TrackFindingTracklet/src/TrackletCalculatorDisplaced.cc b/L1Trigger/TrackFindingTracklet/src/TrackletCalculatorDisplaced.cc
@@ -1826,7 +1826,7 @@ void TrackletCalculatorDisplaced::approxprojdisk(double halfRinv,
   // double C_0 = -d0_0 * halfRinv_0;
 
   phiproj = phi0 - A + B * (1 + C - 2 * A_0 * A_0) + sixth * pow(-A_0 + B_0, 3);
-  phiprojder = -halfRinv / t - d0 * t * t * zmeanInv * zmeanInv;
+  phiprojder = -halfRinv / t + d0 * t * zmeanInv * zmeanInv;
 
   phiproj = angle0to2pi::make0To2pi(phiproj);