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Forum: Hadronic Processes
Re: Question D and B mesons production with FTFP_BERT (Margot )
Re: Feedback Re: D and B mesons production with FTFP_BERT (Michael H. Kelsey)
Date: 30 May, 2015
From: Margot <Margot >

Hello Michael, it is version 9.2.p03. So, if I just define a 'PhysicsList' and construct the particles and the processes, is it posible to have this mesons as part of the decay evolution or they can only be defined as beam particles? (I mean, not using a model.)

On Sat, 30 May 2015 20:07:40 GMT, Michael H. Kelsey wrote:

> On Sat, 30 May 2015 16:28:04 GMT, Margot Delgado De La Flor C. wrote:
> 
> > I have a proton beam colliding carbon as a target, using the hadronic
> > model FTFP_BERT. What I need to see is the meson production after this
> > collision. While I set an upper energy for the proton (>400 GeV) I
> > expect to see D/B mesons production. I don't see them and I just found
> > those are not in the list of "Valid particles" for this model.
> 
> What version of GEANT4 are you using? I am not sure whether we have any
> models which _produce_ heavy mesons. We do support, in some models (not
> BERT), heavy mesons as beam particles (for example, to model how a B
> produced at the LHC would interact with the beampipe and vertex
> detector).
> 
> The FTF and QGS models are for high-energy interactions, and "should" be
> able to produce heavy mesons. I do not know for sure if they are
> configured to pop c-cbar or b-bbar pairs as part of the high-energy
> evolution.
> 
>   -- Michael Kelsey
> 

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