removed the mass of deuteron from the dE/dx calculation

Author: Arkaprabha Saha

PWGLF/Tasks/Nuspex/antiNucleiTask.cxx

@@ -138,7 +138,7 @@ struct antiNucleiTask {
     // Track Selection
     for (const auto& track : tracks) {
 
-      double expBethe{tpc::BetheBlochAleph(static_cast<double>(track.tpcInnerParam() / o2::constants::physics::MassDeuteron), cfgBetheBlochParams->get("p0"), cfgBetheBlochParams->get("p1"), cfgBetheBlochParams->get("p2"), cfgBetheBlochParams->get("p3"), cfgBetheBlochParams->get("p4"))};
+      double expBethe{tpc::BetheBlochAleph(static_cast<double>(track.tpcInnerParam()), cfgBetheBlochParams->get("p0"), cfgBetheBlochParams->get("p1"), cfgBetheBlochParams->get("p2"), cfgBetheBlochParams->get("p3"), cfgBetheBlochParams->get("p4"))};
       double expSigma{expBethe * cfgBetheBlochParams->get("resolution")};
       float tpcNSigmaDeuteron = static_cast<float>((track.tpcSignal() - expBethe) / expSigma);