Re: [ROOT] Why I cannot define a particle if its PDG No.>99 ?

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Nov 28 2003 - 19:03:09 MET

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In reply to: Yang Ruizhe: "[ROOT] Why I cannot define a particle if its PDG No.>99 ?"
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Hi Yang,

You can see the list of known particles to TDatabasePDG at
 $ROOTSYS/etc/pdg_table.txt

If you want to get access to the rho+ particle with PDG code 213, do

root > gSystem->Load("libEG")
root > TDatabasePDG db
root > TParticlePDG *prho = db.GetParticle(213)
root > prho->Dump()

Rene Brun

> Yang Ruizhe wrote:
> 
> Hi, ROOTers!
> 
> I am using ROOT 3.04/02. I meet something really confusing. When I am trying
> to define a particle through TParticle or TParticlePDG, if the PDG number >
> 99, it always returns a null pointer. Does anyone meet this before? Could you
> explain for me?
> 
> Thank you.
> 
> Cheers,
> Yang Ruizhe
> 
> 2003.11.29
> 
>

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