Merge pull request #42423 from lauridsj/fix_emission_veto_hook_124x

[Backport 12_4_X] Fix EmissionVetoHook for BB4L
cms-sw · Aug 1, 2023 · cf14231 · cf14231
2 parents fd7abaf + 1b85711
commit cf14231
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/GeneratorInterface/Pythia8Interface/plugins/EmissionVetoHook1.cc b/GeneratorInterface/Pythia8Interface/plugins/EmissionVetoHook1.cc
@@ -442,7 +442,7 @@ bool EmissionVetoHook1::doVetoFSREmission(int, const Pythia8::Event &e, int iSys
     return false;
 
   // only use for outside resonance vetos in combination with bb4l:FSREmission:veto
-  if (!inResonance && settingsPtr->flag("POWHEG:bb4l:FSREmission:veto") == 1)
+  if (inResonance && settingsPtr->flag("POWHEG:bb4l:FSREmission:veto") == 1)
     return false;
 
   // If we already have accepted 'vetoCount' emissions in a row, do nothing