GPU TPC: Fix Bz=0 threshold

davidrohr · davidrohr · commit 1e69f5ebf9c1 · 2025-03-28T12:46:57.000+01:00
diff --git a/GPU/GPUTracking/Merger/GPUTPCGMMerger.cxx b/GPU/GPUTracking/Merger/GPUTPCGMMerger.cxx
@@ -1740,7 +1740,7 @@ GPUd() void GPUTPCGMMerger::CollectMergedTracks(int32_t nBlocks, int32_t nThread
     p1.DzDs() = p2.DzDs();
     p1.QPt() = p2.QPt();
     mergedTrack.SetAlpha(p2.Alpha());
-    if (CAMath::Abs(Param().polynomialField.GetNominalBz()) < (0.01f * gpu_common_constants::kCLight)) {
+    if (CAMath::Abs(Param().polynomialField.GetNominalBz()) < (0.013f * gpu_common_constants::kCLight)) {
       p1.QPt() = 100.f / Param().rec.bz0Pt10MeV;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -1740,7 +1740,7 @@ GPUd() void GPUTPCGMMerger::CollectMergedTracks(int32_t nBlocks, int32_t nThread`
`1740`	`1740`	`p1.DzDs() = p2.DzDs();`
`1741`	`1741`	`p1.QPt() = p2.QPt();`
`1742`	`1742`	`mergedTrack.SetAlpha(p2.Alpha());`
`1743`		`- if (CAMath::Abs(Param().polynomialField.GetNominalBz()) < (0.01f * gpu_common_constants::kCLight)) {`
	`1743`	`+ if (CAMath::Abs(Param().polynomialField.GetNominalBz()) < (0.013f * gpu_common_constants::kCLight)) {`
`1744`	`1744`	`p1.QPt() = 100.f / Param().rec.bz0Pt10MeV;`
`1745`	`1745`	`}`
`1746`	`1746`