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Forum: Physics List
Re: Question doubt about the Bertini Model in Geant4 (Katherin Shtejer Díaz)
Date: 23 Mar, 2007
From: Vladimir IVANTCHENKO <>

On Fri, 23 Mar 2007, Katherin Shtejer Díaz wrote:

> *** Discussion title: Physics List
> Email replies to must include:
>   In-Reply-To: <"/phys-list/366">
>   Subject: ...change this to be about your reply.
> Hello everyone,
> Please, I am needing to clarify the following question about Bertini
> Model. Can somebody assist me?:
> When reading the Physics Reference Manual it is not clear for me, if the
> Bertini Model implementation in Geant4 includes the pre-equilibrium
> model (PE together with the INC) to support the energies below 200 MeV,
> or if I need to register some additional precompound model together with
> Bertini.
> My doubt comes from the statement: "the model includes a Bertini
> intra-nuclear cascade with excitons". This suggests me that the p-h
> state after the INC stage could be explicitly defined to perform an
> acceptable interface with the pre-equilibrium phase. But which
> pre-equilibrium phase, some implemented inside the Model
> "Bertini-Geant4" or the precompound model registered by myself in the
> physics list?
> I am simulating proton beams in the energy range 0 - 400 MeV and I would
> like to carry out some tests with the Bertini model from the Geant4
> implementation.
> Thanks in advance,
> Katherin


BOth Binary and Bertini casacdes have by default pre-compound models, you 
do not need register any extra models. Moreover, your can use QGSP_BIC and 
QGSP_BERT reference Physics Lists without building your own.


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