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Question Re: Cl(n,p) Excited States Energy Shifts? 

Forum: Hadronic Processes
Re: Question Cl(n,p) Excited States Energy Shifts? (Malachi Schram)
Re: Idea Re: Cl(n,p) Excited States Energy Shifts? (Vladimir Ivanchenko)
Re: None Re: Cl(n,p) Excited States Energy Shifts? (Malachi Schram)
Date: 05 Jun, 2012
From: Malachi Schram <Malachi Schram>

I'm still investigating the excited states of the 35Cl(n,p) reaction.

As a sanity check, I simulated the 35P->35S[1.57MeV]+beta+anti-neutrino reaction which has the 1st excited states in the 35Cl(n,p) reaction.

This scenario was simulated by creating a 35P ion (using GPS) which then decays in G4_AIR.
As expected, the 35P ion decays to the first 35S excited state via beta decay:)
The photon from the excited state is at the correct energy!
My understanding from the physics manual is that this process is handled by the G4RadioactiveDecay class since it has a beta particle.

Therefore, how is the 35Cl(n,p) reaction handled in Geant4?
That is, how are the excited states handled?

The process is:
 n + 35Cl -> 35S*+p, where 35S* is an exited state (including ground state)

I assume the 1st step would be handled by the QGSP_XY_HP (XY=BIC or BERT) which would then provide n+35Cl->35S*+p based on the ENDF data.
Afterward, I would assume that the 35S* decay would be handled by the G4RadioactiveDecay class.
However, this doesn't appear to be the case, can somebody clarify.

Thank you in advance,

Malachi

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