--- PamCut/CollectionActions/Histo2DActions/TofDedxVsBetaHistoAction/TofDedxVsBetaHistoAction.cpp	2012/01/03 08:45:27	1.1.2.2
+++ PamCut/CollectionActions/Histo2DActions/TofDedxVsBetaHistoAction/TofDedxVsBetaHistoAction.cpp	2012/01/03 08:57:21	1.5
@@ -93,6 +93,25 @@
   badLayers = 0;
   if ((_layers & S11) == S11) {
     dEdxLayer = event->GetToFLevel2()->GetdEdx(idx, 0, 100);
+    // Patch to exclude S115b
+    ToFTrkVar *tofTrk = event->GetToFLevel2()->GetToFTrkVar(idx);
+    bool has8 = false, has9 = false;
+    float dedx9 = 0.;
+    for (Int_t ib = 0; ib < tofTrk->npmtadc; ib++) {
+      if (tofTrk->pmtadc[ib] == 8) {
+        has8 = true;
+      }
+      if (tofTrk->pmtadc[ib] == 9) {
+        has9 = true;
+        dedx9 = tofTrk->dedx[ib];
+      }
+    }
+
+    if (has9) {
+      dEdxLayer -= (dedx9 / ((int) has8 + 1));
+      dEdxLayer *= 2.;
+    }
+    //End of patch
     if (dEdxLayer > 0. && dEdxLayer < 4090)
       dEdx += dEdxLayer;
     else
@@ -134,7 +153,7 @@
       badLayers++;
   }
   if (badLayers == 0) {
-    dEdx /= _nLayers - badLayers;
+    dEdx /= _nLayers;
     Fill(event->GetToFLevel2()->GetToFTrkVar(idx)->beta[12], dEdx);
   }
   else