|Message: G4 Exception -- can't find ProcessManager for baryon resonances||Not Logged In (login)|
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I'm simulating neutrino interactions in a water cherenkov detector, and there
are hadronic showers induced. I'm using
Geant 4.9.4.p02 and have the binary cascade physics model chosen. I'm getting
this in a small fraction of simulated events:
------------------------------------- ERROR - G4SteppingManager::GetProcessNumber() ProcessManager is NULL for particle = N(1535)+, PDG_code = 22212
*** G4Exception : Tracking0011 issued by : G4SteppingManager::GetProcessNumber() Process Manager is not found. *** Fatal Exception *** core dump ***
*** G4Exception: Aborting execution *** --------------------------------------
The N(1535)+ can be other particles such as Delta0, Delta+, Delta++, or even a rho. I've checked that the binary cascade model is being instantiated and called at least once in the job, but not necessarily for this specific track. It's a short-lived nucleon resonance which should decay promptly anyhow and not be tracked.
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