TPC Cluster error: Fix formula, some factors should be squared

AliceO2Group · Mar 12, 2024 · 9ebe6ba · 9ebe6ba
1 parent 324e29b
commit 9ebe6ba
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/GPU/GPUTracking/Base/GPUParam.inc b/GPU/GPUTracking/Base/GPUParam.inc
@@ -56,7 +56,7 @@ MEM_CLASS_PRE()
 GPUdi() float MEM_LG(GPUParam)::GetClusterError2(int yz, int type, float z, float angle2, float scaledMult, float scaledAvgCharge, float scaledCharge) const
 {
   MakeType(const float*) c = ParamErrors[yz][type];
-  float v = c[0] + c[1] * angle2 * scaledAvgCharge + c[2] * z * scaledCharge + c[3] * scaledMult * scaledAvgCharge;
+  float v = c[0] + c[1] * angle2 * scaledAvgCharge + c[2] * z * scaledCharge + c[3] * (scaledMult * scaledMult) * (scaledAvgCharge * scaledAvgCharge);
   v = CAMath::Abs(v);
   v *= yz ? rec.tpc.clusterError2CorrectionZ : rec.tpc.clusterError2CorrectionY;
   v += yz ? rec.tpc.clusterError2AdditionalZ : rec.tpc.clusterError2AdditionalY;