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Forum: Hadronic Processes
Re: Question Ag110m creation and decay (Sergio Lo Meo)
Re: None Re: Ag110m creation and decay (michel maire)
Re: Feedback Re: Ag110m creation and decay (Sergio Lo Meo)
Re: None Re: Ag110m creation and decay (michel maire)
Re: None Re: Ag110m creation and decay (Vladimir Ivanchenko)
Date: 24 Aug, 2018
From: michel maire <michel maire>

On Thu, 23 Aug 2018 18:31:03 GMT, Vladimir Ivanchenko wrote:

> 
> Concerning method of defining meta-stable level, I would advice to use
> 
> /gun/particle ion /gun/ion 47 110 0 117.59
> 
> this level in Geant4 DB does not meta-stable. 

    wrong

> There is only one
> transition to the level of 1.112 keV, internal conversion is more than
> 100 times more probable than gamma transition. 1.112 keV level decays to
> the ground state with again high probability of internal conversion.
> 

  every things that Geant4 does properly :

**************************************************************
 Geant4 version Name: geant4-10-04-ref-07    (31-July-2018)
**************************************************************

  Set atomic relaxation mode 0
=======================================================================
======       Radioactive Decay Physics Parameters              ========
=======================================================================
Max life time                                     0.14427 ps
Internal e- conversion flag                       1
Stored internal conversion coefficients           1
Enable correlated gamma emission                  0
Max 2J for sampling of angular correlations       10
Atomic de-excitation enabled                      0
Auger electron emission enabled                   0
Auger cascade enabled                             0
Check EM cuts disabled for atomic de-excitation   0
Use Bearden atomic level energies                 0
=======================================================================
#
--> Event 0 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 10000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 20000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 30000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 40000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 50000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 60000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 70000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 80000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

--> Event 90000 starts.
    End of event. Decay chain: Ag110[117.590] ---> Cd110[2926.747]

 ======================== run summary ======================
 The run was 100000 Ag110[117.590] of 0 eV 
 ===========================================================

 Nb of generated particles: 

     Ag110[1.112]:    1265  Emean = 0.5441 eV 	( 0.06628 eV  --> 0.6472 eV )	mean life = 952.2 ns 
   Ag110[117.590]:  100000  Emean =      0 eV 	( 0 eV  --> 0 eV )	mean life = 360.4 d  
  Cd110[2479.934]:   30779  Emean =  1.714 eV 	( 0.002517 eV  --> 3.965 eV )	mean life = 0.8656 ps 
  Cd110[2539.691]:      44  Emean =  1.272 eV 	( 0.09466 eV  --> 2.949 eV )	mean life = 0.8656 ps 
  Cd110[2659.866]:      26  Emean = 0.8705 eV 	( 0.0279 eV  --> 1.683 eV )
  Cd110[2842.682]:      24  Emean = 0.3869 eV 	( 0.08725 eV  --> 0.7359 eV )
  Cd110[2876.812]:     397  Emean = 0.2392 eV 	( 0.003129 eV  --> 0.6524 eV )
  Cd110[2926.747]:   67465  Emean = 0.1284 eV 	( 4.366e-05 eV  --> 0.4342 eV )
        anti_nu_e:   98735  Emean =  155.5 keV	( 1.217 keV --> 528.6 keV)	stable
               e-:   99992  Emean =  66.56 keV	( 0.4545 eV  --> 512.6 keV)	stable
            gamma:       8  Emean =  116.5 keV	( 116.5 keV --> 116.5 keV)	stable

   Ekin Total (Q single decay): mean =  220.1 keV	( 81.84 keV --> 528.7 keV)

   Momentum balance (excluding gamma desexcitation): mean =  12.72 eV 	( 2.186e-05 eV  --> 116.5 keV)

   Total time of life (full chain): mean =  359.6 d    half-life =  249.3 d     ( 17.39 min --> 10.27 y  )

   Total visible energy (full chain) : mean =  66.57 keV   ( 0.4877 eV  --> 512.6 keV)

   Activity of Ag110[117.590] = 1.762e+14 Bq/g   (4762 Ci/g) 

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1 None: Re: Ag110m creation and decay   (Vladimir Ivanchenko - 24 Aug, 2018)
(_ None: Re: Ag110m creation and decay   (michel maire - 24 Aug, 2018)
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